Ocean acidification growing risk to west coast fishery, including crab and salmon, US studies show

The United States says acidification of the oceans means there is an already growing risk to the northwest coast fishery, including crab and salmon, according to studies released by the National Oceanic and Atmospheric Administration.

As more carbon dioxide is released into the atmosphere and absorbed by the oceans, the water is becoming more acidic and that affects many species, especially shellfish, dissolving the shells.

A NOAA study released today of environmental and economic risks to the Alaska fishery says:

Many of Alaska’s nutritionally and economically valuable marine fisheries are located in waters that are already experiencing ocean acidification, and will see more in the near future…. Communities in southeast and southwest Alaska face the highest risk from ocean acidification because they rely heavily on fisheries that are expected to be most affected by ocean acidification…

An earlier NOAA study, released in April, identified a long term threat to the salmon fishery as small ocean snails called pteropods which are a prime food source for pink salmon are already being affected by the acidification of the ocean.

Pteropod
This photograph from NOAA of a pteropod, important in the ocean diet of pink salmon, shows the first evidence of marine snails from the natural environment along the U.S. West Coast with signs that shells are dissolving. (NOAA)

NOAA says:

The term “ocean acidification” describes the process of ocean water becoming more acidic as a result of absorbing nearly a third of the carbon dioxide released into the atmosphere from human sources. This change in ocean chemistry is affecting marine life, particularly the ability of shellfish, corals and small creatures in the early stages of the food chain to build skeletons or shells.

Today’s NOAA study is the first published research by the Synthesis of Arctic Research (SOAR) program, which is supported by an US inter-agency agreement between NOAA’s Office of Oceanic and Atmospheric Research and the Bureau of Ocean Energy Management (BOEM) Alaska Region.

Canada’s Department of Fisheries and Oceans says it has ongoing studies on oceanic acidification including the role of petropods in the lifecycle of the salmon.

Des Nobles, President of Local #37 Fish [UFAWU-UNIFOR] told Northwest Coast Energy News that the fisheries union and other fisheries groups in Prince Rupert have asked both the Canadian federal and the BC provincial governments for action on ocean acidification. Nobles says so far those requests have been ignored,

Threat to crabs

The studies show that red king crab and tanner crab grow more slowly and don’t survive as well in more acidic waters. Alaska’s coastal waters are particularly vulnerable to ocean acidification because of cold water that can absorb more carbon dioxide and unique ocean circulation patterns which bring naturally acidic deep ocean waters to the surface.

“We went beyond the traditional approach of looking at dollars lost or species impacted; we know these fisheries are lifelines for native communities and what we’ve learned will help them adapt to a changing ocean environment,” said Jeremy Mathis, Ph.D., co-lead author of the study, an oceanographer at NOAA’s Pacific Marine Environmental Laboratory in Seattle, and the director of the University of Alaska Fairbanks School of Fisheries and Ocean Sciences Ocean Acidification Research Center.

As for Dungeness crab, Sarah Cooley,  a  co-author of the Alaska study, who was with the Woods Hole Oceanographic Institution at the time, told Northwest Coast Energy News, “The studies have not been done for Dungeness crab that have been done for king and tanner crab, that’s something we’re keenly aware of. There’s a big knowledge gap at this point.” She says NOAA may soon be looking at pilot study on Dungeness crab.

Healthy pteropod
A healthy pteropod collected during the U.S. West Coast survey cruise. (NOAA)

Risk to Salmon, Mackerel and Herring

In a 2011-2013 survey, a NOAA-led research team found the first evidence: “that acidity of continental shelf waters off the West Coast is dissolving the shells of tiny free-swimming marine snails, called pteropods, which provide food for pink salmon, mackerel and herring.”

The survey estimated that the percentage of pteropods along the west coast with dissolving shells due to ocean acidification had “doubled in the near shore habitat since the pre-industrial era and is on track to triple by 2050 when coastal waters become 70 percent more corrosive than in the pre-industrial era due to human-caused ocean acidification.”

That study documented the movement of corrosive waters onto the continental shelf from April to September during the upwelling season, when winds bring water rich in carbon dioxide up from depths of about 120 to  180 metres to the surface and onto the continental shelf.

“We haven’t done the extensive amount of studies yet on the young salmon fry,” Cooley said. “I would love to see those studies done. I think there is a real need for that information. Salmon are just so so important for the entire Pacific Northwest and up to Alaska.”

In Prince Rupert, Barb Faggetter, an independent oceanographer whose company Ocean Ecology has consulted for the fisherman’s union and NGOs, who was not part of the study, spoke generally about the threat of acidification to the region.

She is currently studying the impact of the proposed Liquified Natural Gas terminals that could be built at Prince Rupert near the Skeena River estuary. Faggetter said that acidification could affect the species eaten by juvenile salmon. “As young juveniles they eat a lot of zooplankton including crustaceans and shell fish larvae.”

She added, “Any of the shell fish in the fishery,  including probably things like sea urchins are all organisms that are susceptible to ocean acidification because of the loss of their capacity to actually incorporate calcium carbonate into their shells.”

Faggetter said her  studies have concentrated on potential habitat loss near Prince Rupert as a result of dredging and other activities for liquified natural gas development,  She adds that ocean acidification “has been a consideration that climate change will further worsen any potential damage that we’re currently looking at.”

Her studies of the Skeena estuary are concentrating on “rating” areas based on the food supply available to juvenile salmon, as well as predation and what habitat is available and the quality of that habitat to identify areas that “are most important for the juvenile salmon coming out of the Skeena River estuary and which are less important.”

She said that climate change and ocean acidification could impact the Skeena estuary and “probably reduce some of the environments that are currently good because they have a good food supply. If ocean acidification reduces that food supply that will no longer be good habitat for them” [juvenile salmon].

NOAA expediton
Bongo nets are deployed up to 200 meters deep to catch marine snails (pteropods), which are indicators of the progress of ocean acidification. The pteropod samples were collected during the U.S. West Coast survey cruises in 2011 and 2013. Unlike the US, Canada’s DFO is using models to track what’s happening to pteropods. (NOAA)

The  August 2011 NOAA survey of the pteropods was done at sea using “bongo nets” to retrieve the small snails at depths up to 200 metres. The research drew upon a West Coast survey by the NOAA Ocean Acidification Program in that was conducted on board the R/V Wecoma, owned by the National Science Foundation and operated by Oregon State University.

The DFO study, according to the agency website is “being examined in the context of model predictions.

Nina Bednarsek, Ph.D., of NOAA’s Pacific Marine Environmental Laboratory in Seattle, the lead author of the  April pteropod paper said, “Our findings are the first evidence that a large fraction of the West Coast pteropod population is being affected by ocean acidification.

“Dissolving coastal pteropod shells point to the need to study how acidification may be affecting the larger marine ecosystem. These near shore waters provide essential habitat to a great diversity of marine species, including many economically important fish that support coastal economies and provide us with food.”

Ecology and economy

Today’s study on the effects of acidification on the Alaska fishery study examined the potential effects on a state where the fishing industry supports over 100,000 jobs and generates more than $5 billion in annual revenue. Fishery-related tourism also brings in $300 million annually to the state.

Map of Alaska
A map of Alaska shows the economic and ecological risks to parts of the state from ocean acidification. (NOAA)

The study also shows that approximately 120,000 people or roughly 17 percent of Alaskans rely on subsistence fisheries for most, if not all of their dietary protein. The Alaska subsistence fishery is open to all residents of the state who need it, although a majority of those who participate in the subsistence fishery are Alaska’s First Nations. In that way it is somewhat parallel to Canada’s Food, Ceremonial and Social program for First Nations.

“Ocean acidification is not just an ecological problem—it’s an economic problem,” said Steve Colt, Ph.D., co-author of the study and an economist at the University of Alaska Anchorage. “The people of coastal Alaska, who have always looked to the sea for sustenance and prosperity, will be most affected. But all Alaskans need to understand how and where ocean acidification threatens our marine resources so that we can work together to address the challenges and maintain healthy and productive coastal communities.”

The Alaska study recommends that residents and stakeholders in vulnerable regions prepare for environmental challenge and develop response strategies that incorporate community values and needs.

“This research allows planners to think creatively about ways to help coastal communities withstand environmental change,” said Cooley, who is now science outreach manager at Ocean Conservancy, in Washington, D.C.  “Adaptations can be tailored to address specific social and environmental weak points that exist in a community.

“This is really the first time that we’ve been able to go under the hood and really look at the factors that make a particular community in a borough or census are less or more vulnerable from changing conditions resulting from acidification. It gives us a lot of power so that we don’t just look at environmental issues but also look at the social story behind that risk.”

As for the southern part of the Alaska panhandle nearest British Columbia, Cooley said, “What we found is that there is a high relative risk compared to some of the other areas of Alaska and that is because the communities there undertake a lot of subsistence fishing, There tend not be a whole lot of commercial harvests in the fisheries there but they are very very important from a subsistence stand point… And they’re tied to species that we expect to be on the front line of acidification, many of the clam species that are harvested in that area and some of the crab species.”

Long term effects

Libby Jewett, Director of the NOAA Ocean Acidification Program  and author of  the pteropod study said,  “Acidification of our oceans may impact marine ecosystems in a way that threatens the sustainability of the marine resources we depend on.

“Research on the progression and impacts of ocean acidification is vital to understanding the consequences of our burning of fossil fuels.”

“Acidification is happening now,” Cooley said. “We have not yet observed major declines in Alaskan harvested species. In Washington and Oregon they have seen widespread oyster mortality from acidification.

“We don’t have the documentation for what’s happening in Alaska right now but there are a lot of studies staring up right now that will just keep an eye out for that sort of thing,  Acidification is going to be continuing progressively over the next decades into the future indefinitely until we really curb carbon dioxide emissions. There’s enough momentum in the system that is going to keep acidification advancing for quite some time.

“What we need to be doing as we cut the carbon dioxide, we need to find ways to strength communities that depend on resources and this study allows us to think differently about that and too really look at how we can strengthen those communities.

Faggetter said. “It’s one more blow to an already complex situation here, My study has been working particularly on eel grass on Flora Bank (pdf) which is a very critical habitat, which is going to be impacted by these potential industrial developments and that impact will affect our juvenile salmon and our salmon fishery very dramatically, that could be further worsened by ocean acidification.”

She said that acidification could also be a long term threat to plans in Prince Rupert to establish a geoduck fishery (pronounced gooey-duck).

The popular large 15 to 20 centimetre clam is harvested in Washington State and southern BC, but so far hasn’t been  subject to commercial fishing in the north.

NOAA said today’s study shows that by examining all the factors that contribute to risk, more opportunities can be found to prevent harm to human communities at a local level. Decision-makers can address socioeconomic factors that lower the ability of people and communities to adapt to environmental change, such as low incomes, poor nutrition, lack of educational attainment and lack of diverse employment opportunities.

NOAA’s Ocean Acidification Program and the state of Alaska are also developing tools to help industry adapt to increasing acidity.

The new NOAA study is the first published research by the Synthesis of Arctic Research (SOAR) program. which is supported by an inter-agency agreement between NOAA’s Office of Oceanic and Atmospheric Research and the Bureau of Ocean Energy Management (BOEM) Alaska Region.

The pteropod study was published in April in Proceedings of the Royal Society B. The ecological and economic study is published in Progress in Oceanography.

Harper’s Northern Gateway strategy and why it will end up in a muddy mess

It appears that the Stephen Harper’s strategy for approving Northern Gateway has been revealed on background to The Globe and Mail’s Gary Mason. (Either it’s a revelation or a trial balloon).

It comes down to the idea that Harper will approve Gateway “in the national interest,” count on a vote split between the NDP and Liberals in British Columbia to avoid any consequences to the Conservative majority and then leave it up to Enbridge to actually get the job of building the pipeline and terminal project done.

Mason quotes “ a senior member of Mr. Harper’s government,” and while Mason doesn’t say what part of Canada the source is from, (unlikely in my view the source is from BC) what the member told Mason reveals that the Harper government is still mired in it the Matrix-world that has always governed its policy on Northern Gateway.

The first step, apparently coming in the next few days, is that the Harper government “rigorous” new tanker protocols for traffic along the west coast.

Tanker protocols
So the obvious question is, will these protocols be new or will the government simply be reannoucing paper policies that they did in the March 2013? How many of the recommendations of the tanker task force is the government actually going to accept?

Even if the protocols are new, just who is going to enforce those policies?

Mason says:

Even if Gateway and the Kinder Morgan expansion went ahead, he argued, B.C. would still only see about 60 per cent of the annual oil tanker traffic the neighbouring state of Washington deals with. And yet Washington has an exceptionally clean record when it comes to the safe transport of oil in and out of its harbours – this, he noted, while operating under marine safety regulations that are not as rigorous as the ones Ottawa intends to put in place for the shipment of oil along the West Coast.

There are a lot big problems with that statement.

First, there’s an organization that the Mason’s source may have heard of known as the United States Coast Guard. The United States rigorously enforces its “weak” regulations, while Canada’s Coast Guard is plagued by staff shortages and budget cuts.

Second, the State of Washington also rigorously enforces its environmental regulations, not only on the coast but across the state. I have been told by retired British Columbia forestry and environmental officials (not to mention Fisheries and Oceans) that there are often more state environmental watch dogs in most Washington State counties than in all of northern British Columbia where the Northern Gateway is supposed to be going.

The September 2013, report by the US National Oceanographic and Atmospheric Administration on the export of Canadian bitumen sands through the US shows that the Washington Department of Ecology is working on strengthening regulations for both pipelines and (where it’s in state jurisdiction) tanker traffic. The same report says the state of Alaska Department of Environmental Conservation is updating its plans and possible regulations in anticipation that bitumen filled tanker traffic from Kitimat would come close to the coast en route to Asia.

Third, the coast of northern British Columbia is more rugged and stormy than the waters off Washington.

Who pays?

The one factor that the urban media seems to ignore, is the big question.

Who pays?

Who pays to enforce the 209 conditions that the Joint Review Panel imposed on the Northern Gateway project?

If the Harper government announces new tanker regulations in the coming days, who pays to enforce those regulations?

There were no provisions in the February budget for enforcing the 209 conditions. Rather there were continuing budget cuts to the very departments that the JRP ruled must be involved in the studying, planning, implementation and enforcement of the 209 conditions, Environment Canada, Fisheries and Oceans and Transport Canada.

So while Mason says “The federal government will play its part in meeting the five conditions laid out by the B.C. government for support of the project,” the response must be “Show me the money!”

During the recent plebiscite campaign, Northern Gateway finally revealed its plans for the “super tugs” that will escort tankers along the coast and up Douglas Channel.  Owen McHugh, a Northern Gateway emergency manager said, “Adding these four or five tugs to the north coast provides a rescue capability that doesn’t exist in this format. So for any large commercial vessel that is traveling on our coast, this capacity to protect the waters of the north coast.”  Those tugs and Northern Gateway’s plans to station teams at small bases along the coast means that the company is, in effect, creating a parallel, private, coast guard on the BC Coast.

What about the Coast Guard itself? The Harper government has been gutting Coast Guard resources along the coast even before it had its majority. It closed and dismantled the Kitsilano Coast Guard station in Vancouver. There is more dependence on the Royal Canadian Marine Search and Rescue volunteers, who have to raise money locally for modern rescue boats which cost up to $750,000. The money that government was “generously” giving to RCMSAR had to be split up to 70 stations in 42 communities along the coast as well as its administrative and training staff.

And speaking of boats, what about Coast Guard vessels on the coast? As the Globe and Mail has reported, the government’s shipbuilding program is already over budget  and behind schedule. The aim is  Arctic/Offshore Patrol Ships  and new destroyers. With the crippling of HMCS Protecteur that has raised the concerns about the already troubled supply ship program.

Does anyone notice what is missing from that list? What’s missing are  better Coast Guard vessels just to police all the expected tanker traffic on the west coast (whether LNG or bitumen) and no mention of dedicated spill response vessels, which under the “polluter pay” policy will likely be left to private contractors (and hope that the ships are available at the time of a spill)

How will we know?

Then there is the question of how will people even know if the 209 conditions are being enforced; whether or not the reports demanded by the Joint Review Panel are going be sitting on the National Energy Board server and ignored.

There is every indication, given the government’s obsession with secrecy that until there is a disaster the Canadian public will never know what’s going on. Harper’s muzzling doesn’t just cover government scientists, it covers the lowest level of bureaucrats, as District of Kitimat Council found out when low level DFO bureaucrats refused to appear publicly before council to discuss the risk to the Kitimat River.

So the scenario is, according to Mason’s source

“I think once this decision is made, Enbridge could have shovels in the ground the next day,” the member said. “They are ready to go. This means the First Nations could start realizing profits from this right away, as opposed to the promised profits from LNG, which may never materialize. I think they need to think about that.”

First, as part of the blunders is that the Conservatives have always made is the assumption that eventually the First Nations of British Columbia can be paid off, ignoring the commitment of the First Nations, especially on the coast, to protect the environment that sustained them for thousands of years.

While the LNG market is volatile, the “member” forgets that most of the First Nations of British Columbia have opposed the Northern Gateway since Enbridge first floated the idea in 2001. The current LNG rush didn’t start until after Japan shut down its nuclear power plants after the March 2011 earthquake, The first major anti-Enbridge rally,  “The Solidarity Gathering of Nations” was held at Kitamaat Village in May 2010.

Writing off BC

It appears that Conservatives, in their election strategy have already written off Gateway opponents:

Still, there is a raw political calculus that needs to be taken into account. Polls measuring support for the pr.oject in B.C. vary, but generally have shown that anywhere from 55 to 60 per cent of the province opposes Gateway and 40 to 45 per cent support it. Isn’t that enough to scare off a government that needs critical votes in B.C. to win another majority?
“Let’s say 60 per cent are against it,” he said. “And that vote splits between the Liberals and the NDP come the next election. Who are the 40 per cent going to vote for?”

As for the cabinet, it has consistently shown its contempt for northwestern British Columbia  and that is unlikely to change.

Mason also speculates that Harper will approve Gateway to stick it to Barack Obama and the delays on Keystone XL. As he points out that’s a political, not an economic decision.

There are civil disobedience classes being held across northwestern BC  this month.  Access to Information requests by the Vancouver Observer revealed increased RCMP surveillance of the anti-Gateway movement.  There has always been talk of a “war in the woods” if the pipeline project is forced on an unwilling population.

So it comes down to a question that Mason and the Conservatives are avoiding. Mason’s source says Northern Gateway is crucial to the national interest:

“At the end of the day, you have to do what’s right, not what’s politically expedient,” he said. “You have to ask: What’s in the best interests of all Canadians?”

So given all that will the Harper government leave Enbridge to tough it out on its own?

Highly unlikely.

But will the Harper government, with its bean counting obsession on balancing the budget be willing to pay for all that is needed?

Highly likely.

There’s lots of marine clay along the pipeline route, laid down by ancient oceans. That brings to mind just one word. Quagmire, not just the wet, sticky BC mud but a political quagmire.

NRDC delivers “unequivocal congratulations” to Rio Tinto for Pebble Mine divestment

NRDC ad
Natural Resources Defence Counsel ad in the Financial Times thanking RIo Tinto (NRDC)

The US based Natural Resources Defence Counsel environmental group, a major opponent of both the Keystone XL and Northern Gateway pipeline projects, is praising Rio Tinto for divesting its interests in the controversial Alaska Pebble Mine project.

The NRDC is, in fact, so pleased, with Rio Tinto that they took out an expensive full page ad in London’s Financial Times to congratulate the mining and smelting giant which, of course, owns Rio Tinto Alcan and the aluminum smelter in Kitimat.
Related
Rio Tinto donates $19 million Pebble Mine stake to charity

The National Resources Defence Counsel is often a favourite target for  the Harper government and oil-patch conservatives who see it as one of the foreign environmental groups interfering in Canadian affairs.

A delegation from the NRDC and Alaska First Nations met with Rio Tinto’s top executives in London, according to a blog post on the organization’s website by Joel Reynolds, its senior lawyer and western director, Pebble Mine: Delivering Congratulations, Not Petitions, to Rio Tinto

 

In the blog Reynolds writes

We’ve gone each year [to corporate shareholder meetings or to meet corporate executives] to fight the Pebble Mine — a 21st Century example of what the mining industry will do if given free reign, based on promises of safety, sustainability, and technological innovation that can’t be kept and must not be believed….

In 2010, I also traveled to Tokyo to meet with leadership of Mitsubishi Corporation, a former significant Pebble shareholder that quietly sold all of its interest in the project eight months later.

This has become an essential aspect of our advocacy with multi-national corporations: meeting privately with company leadership and participating in the once-a-year public gathering of their shareholders, of which – in order to gain access — we are one. Attending the shareholder meetings is no fun, requiring immersion in a world where natural resources are for extraction and exploitation, where representatives from far-flung communities seeking remediation and redress from contamination recount the tragic impacts of mining on their daily lives.

But this year promised to be different for the residents of Bristol Bay – and for those of us supporting their cause.

NRDC meets with Rio Tinto
NRDC director and lawyer Joel Reynolds shows a copy of the Financial Times ad to Kim Williams, Executive Director of the Alaska Nunamta Aulukestai, Rio Tinto CEO Sam Walsh, Reynolds, Rio Tinto Chair Jan de Plessis, Rio Tinto Director of Copper Jean-Sebastien Jacques and Bobby Andrew, Yupik elder and spokesperson for Nunamta Aulukestai (NRDC)

Reynolds goes on to write that a week after Rio Tinto announced the divestment, they were meeting with RT CEO Sam Walsh and senior executives in the London headquarters:

We were there to thank them for listening to the people of Bristol Bay who, by overwhelming numbers, have consistently voiced their opposition to the mine – a project that embodies the greatest threat ever posed to the economic lifeblood of the region, the Bristol Bay wild salmon fishery.

Each of us in turn – including Bobby Andrew (Yupik elder and spokesperson for Nunamta Aulukestai, an association of Bristol Bay village corporations and tribes; Kim Williams, Executive Director of Nunamta Aulukestai; and Bonnie Gestring, Circuitrider for Earthworks) — delivered a simple message:  that Rio Tinto had fulfilled its commitment to Bristol Bay’s communities to act responsibly in a manner consistent with protection of the wild salmon fishery and the wishes of the people who depend on it.  Given the scope of the proposed Pebble Mine and the unavoidable risks of contamination associated with its location, there is only one responsible course – divestment – and that is precisely what Rio Tinto had done.  The company deserved congratulations, and we conveyed it unequivocally.

Later, meeting with Rio Tinto directors, Reynolds presented the board with a copy of the ad from the Financial Times.

In the blog, Reynolds noted that Vancouver-based Northern Dynasty Minerals is determined to proceed with the project and so the NRDC says “despite major progress against the Pebble project, our work isn’t done, and we remain committed to continuing the fight – along with our Members and activists in support of the people of Bristol Bay.”

In taking out the ad, NRDC’s Taryn Kiekow Heimer, Senior Policy Analyst, Marine Mammal Protection Project, said:

NRDC and its 1.4 million members and activists join the people from Bristol Bay, Alaska Natives, commercial fishermen, sportsmen, jewelers, chefs, restaurant and lodge owners, and conservationists in thanking Rio Tinto for showing environmental and financial leadership by divesting from Pebble Mine.

The Haisla Nation and other groups often quoted NRDC studies on pipelines in their presentations before the Northern Gateway Joint Review Panel.

Rio Tinto donates $19 million Pebble Mine stake to charity: Financial Times

Britain’s Financial Times is reporting that Rio Tinto has donated its stake in Alaska’s controversial Pebble Mine to two Alaska charities, one run by a local First Nation.

Rio Tinto donates Alaska copper mine stake to charities  (registration/subscription required)

Rio Tinto had a 19 per cent stake in Northern Dynasty, a Vancouver-based mining company whose main asset is the Pebble project in Alaska.

The FT reports that Pebble is one of the world’s largest known undeveloped copper resources. The project is mired in disagreement because of concern over its potential effect on salmon stocks.

The FT report says the US Environmental Protection Agency said that it would investigate whether fisheries in the region could be protected. The EPA investigation stops any award of environmental permits for the mine in the meantime, and could lead to a permanent block on the project by the EPA.

According to the report, Rio Tinto said it would donate its shares in Northern Dynasty – worth about $19 million Canadian – to two charitable foundations in Alaska: the Alaska Community Foundation, which funds educational and vocational training, and the Bristol Bay Native Corporation Education Foundation, which supports educational and cultural programmes in the region.

The Pebble Mine would be near rich salmon rivers which flow into Bristol Bay, Alaska. Opponents of the project fear that the giant mine would irreversibly damage salmon stocks for centuries to come.

Related:

Pension funds pressure Rio Tinto to dump out of controversial Alaska Pebble Mine

Kitimat Votes: 25th anniversary of Exxon Valdez disaster looms over Northern Gateway plebiscite

On March 24, 1989, the tanker Exxon Valdez plowed into Bligh Reef in Alaska’s Prince William Sound,  spilling 260,000 to 750,000 barrels or 41,000 to 119,000 cubic metres of crude oil.

That was 25 years ago. The media loves anniversary stories and the Exxon Valdez look-backs and updates are already ramping up—right in the middle of the Kitimat plebiscite on the Northern Gateway pipeline and terminal project.

The hashtag #ExxonValdez25 is beginning to trend, based on a Twitter chat for Monday sponsored by the US National Oceanic and Atmospheric Administration.

The voters of Kitimat who will have to cast their ballots on the Joint Review Panel’s interpretation of the Northern Gateway proposal will find once again that the JRP tilted toward the industry and downplayed the lingering risks from a major tanker disaster—and that means neither the pro nor the anti side can be happy with the events that will be marked on March 24, 2014.

The Exxon Valdez accident is part of the Joint Review Panel findings that the economic benefits of Northern Gateway outweigh the risks. The JRP generally accepted the industry position, taken by both Northern Gateway and by ExxonMobil that Prince William Sound has recovered from the Exxon Valdez incident, something that is fiercely debated and disputed.

One area that is not in dispute is that the Exxon Valez disaster brought laws that forced energy companies to use double-hulled tankers.  However, commercials that indicate that Northern Gateway will be using double-hulled tankers because the company respects the BC coast is pushing things a bit far, since those tankers are required by law.

Northern Gateway told the Joint Reivew Panel that

on a worldwide basis, all data sets show a steady reduction in the number
and size of oil spills since the 1970s. This decline has been even more apparent since regulatory changes in 1990 following the Exxon Valdez oil spill, which required a phase-in of double-hulled tankers in the international fleet. No double-hulled tanker has sunk since 1990. There have been five incidents of double-hulled tankers that have had a collision or grounding that penetrated the cargo tanks. Resulting spills ranged from 700 to 2500 tonnes

The Haisla countered by saying:

The Haisla Nation said that, although there have been no major spills since the Exxon Valdez spill in Prince William Sound, there were 111 reported incidents involving tanker traffic in Prince William Sound between 1997 and 2007. The three most common types of incidents were equipment malfunctions, problems with propulsion, steering, or engine function, and very small spills from tankers at berth at the marine terminal. The Haisla Nation said that, in the absence of state-of-the-art prevention systems in Prince William Sound, any one of those incidents could have resulted in major vessel casualties or oil spills.

 

Related: What the Joint Review Panel said about the Exxon Valdez disaster

A local daily newspaper, The Anchorage Daily News sums it all up:

The herring of Prince William Sound still have not recovered. Neither have killer whales, and legal issues remain unresolved a quarter of a century later. Monday is the 25th anniversary of the disaster, in which the tanker Exxon Valdez ran aground on Bligh Reef and spilled at least 11 million gallons of oil into the pristine waters of the sound.

Prince William Sound today looks spectacular, a stunning landscape of mountainous fjords, blue-green waters and thickly forested islands. Pick up a stone on a rocky beach, maybe dig a little, though, and it is possible to still find pockets of oil.

“I think the big surprise for all of us who have worked on this thing for the last 25 years has been the continued presence of relatively fresh oil,” said Gary Shigenaka, a marine biologist for the National Oceanic and Atmospheric Administration.

Britain’s Sunday Telegraph headlined: Exxon Valdez – 25 years after the Alaska oil spill, the court battle continues

The legal dispute over the spill is still ongoing, with the Telegraph’s Joanna Walters noting:

[S]tate senator Berta Gardner is pushing for Alaskan politicians to demand that the US government forces ExxonMobil Corporation to pay up a final $92 million (£57 million), in what has become the longest-running environmental court case in history. The money would primarily be spent on addressing the crippled herring numbers and the oiled beaches.
“There’s still damage from the spill. The oil on the beaches is toxic and hurting wildlife. We can’t just say we’ve done what we can and it’s all over – especially with drilling anticipated offshore in the Arctic Ocean – this is significant for Alaska and people around the world,” she told The Telegraph.

An ExxonMobil spokesman then told The Telegraph, the energy sector’s standard response:

Richard Keil, a senior media relations adviser at ExxonMobil, said: “The overwhelming consensus of peer-reviewed scientific papers is that Prince William Sound has recovered and the ecosystem is healthy and thriving.”
But federal scientists estimate that between 16,000 and 21,000 gallons of oil from the spill lingers on beaches in Prince William Sound and up to 450 miles away, some of it no more biodegraded than it was at the time of the disaster.

The Sunday Telegraph chronicles which species have recovered in Exxon Valdez: Animal populations in Prince William Sound, Alaska

Overall, the Exxon Valdez disaster was, as US National Public Radio reported, a spur to science. But NPR’s conclusion is the exact opposite of that from the Northern Gateway Joint Review Panel—at least when it comes to fish embryos.

Why The Exxon Valdez Spill Was A Eureka Moment For Science

Twenty-five years of research following the Exxon Valdez disaster has led to some startling conclusions about the persistent effects of spilled oil.
When the tanker leaked millions of gallons of the Alaskan coast, scientists predicted major environmental damage, but they expected those effects to be short lived. Instead, they’ve stretched out for many years.
What researchers learned as they puzzled through the reasons for the delayed recovery fundamentally changed the way scientists view oil spills. One of their most surprising discoveries was that long-lasting components of oil thought to be benign turned out to cause chronic damage to fish hearts when fish were exposed to tiny concentrations of the compounds as embryos.

(NPR also reports on the The Lingering Legacy Of The Exxon Valdez Oil Spill)

It seems that some species recovered better than others from the oilspill.

For example, the recovery of the sea otter population has received widespread media coverage, but with widely divergent points of view. The more conservative and pro-industry writers point to the recovery of the otter population, while environmental coverage stresses the quarter century it took for the otter population to rebound.

Scientific American online and other media outlets reported 25 Years after Exxon Valdez Spill, Sea Otters Recovered in Alaska’s Prince William Sound quoting a report from the U.S. Geological Survey that said that spill killed 40 percent of the 6,500 sea otters living in the sound and more in 1990 and 1991.USGS reported that the main sea otter population in the sound was 4,277 in 2013.

Although recovery timelines varied widely among species, our work shows that recovery of species vulnerable to long-term effects of oil spills can take decades,” said lead author of the study, Brenda Ballachey, research biologist with the U.S. Geological Survey. “For sea otters, we began to see signs of recovery in the years leading up to 2009, two decades after the spill, and the most recent results from 2011 to 2013 are consistent with recovery

The Joint Review Panel generally accepted Northern Gateway’s and the energy industry’s evidence on the Exxon Valdez incident and concluded

The Panel’s finding regarding ecosystem recovery following a large spill is based on extensive scientific evidence filed by many parties, including information on recovery of the environment from large past spill events such as the Exxon Valdez oil spill. The Panel notes that different parties sometimes referred to the same studies on environmental recovery after oil spills, and drew different conclusions.

In its consideration of natural recovery of the environment, the Panel focused on effects that are more readily measurable such as population level impacts, harvest levels, or established environmental quality criteria such as water and sediment quality criteria.

The Panel finds that the evidence indicates that ecosystems will recover over time after a spill and that the post-spill ecosystem will share functional attributes of the pre-spill one. Postspill ecosystems may not be identical to pre-spill ecosystems. Certain ecosystem components may continue to show effects, and residual oil may remain in some locations. In certain unlikely circumstances, the Panel finds that a localized population or species could potentially be permanently affected by an oil spill.

Scientific studies after the Exxon Valdez spill indicated that the vast majority of species recovered following the spill and that functioning ecosystems, similar to those existing pre-spill, were established.
Species for which recovery is not fully apparent, such as Pacific herring, killer whales, and pigeon guillemots, appear to have been affected by other environmental factors or human influences not associated with the oil spill. Insufficient pre-spill baseline data on these species contributed to difficulties in determining the extent of spill effects.

Based on the evidence, the Panel finds that natural recovery of the aquatic environment after an oil spill is likely to be the primary recovery mechanism, particularly for marine spills. Both freshwater and marine ecosystem recovery is further mitigated where cleanup is possible, effective, and beneficial to the environment.

Natural processes that degrade oil would begin immediately following a spill. Although residual oil could remain buried in sediments for years, the Panel finds that toxicity associated with that oil would decline over time and would not cause widespread, long-term impacts.

The Panel finds that Northern Gateway’s commitment to use human interventions, including available spill response technologies, would mitigate spill impacts to ecosystems and assist in species recovery..

It is clear, however, from the local coverage in Alaska and from the attention of the world’s media that Prince William Sound has not fully recovered from the Exxon Valdez incident (it may yet in who knows how many years). Anger and bitterness still remains among the residents of Alaska, especially since the court cases are dragging on after a quarter century.

Those are the kinds of issues that Kitimat residents will face when they vote in the plebiscite on April 12. Just who do the people of Kitimat believe, those who say the chances for a spill are remote and the environment and the economy will quickly recover? It probably depends on whether or not you consider 25 years quick. Twenty-five years is quick in geological time but it is a third or a half of a human life time.

As for the residents of Kitamaat Village, and probably many people in Kitimat, Haisla Chief Counsellor Ellis Ross summed it up in a Facebook posting on Sunday

If this happens in Kitamaat, all those campaigning for Enbridge will pack up and leave for another coastline to foul. Haisla don’t have much of a choice. We would have to stay and watch the court battles on who should pay what.

Ross is right. Whether it’s Prince William Sound or Douglas Channel, the people who live the region are stuck with the mess while the big companies walk away and the lawyers get rich.

 

Anniversary stories (as of March 23, 2000 PT)

Alaska Media

Valdez Star
First Associated Press story on Exxon Valdez Oil Spill reprinted

KTUU

Exxon Valdez Oil Spill 25th Anniversary: Alaskans Remember

Alaska Dispatch

Exxon Valdez oil lingers on Prince William Sound beaches; experts debate whether to clean it up

While Alaska’s Prince William Sound is safer, questions linger about preventing oil spills

Recalling the shock and sadness of Exxon Valdez spill 25 years ago

How the Exxon Valdez spill gave birth to modern oil spill prevention plans

Seward City News
25 years later Exxon Valdez memories still stink

Bristol Bay Times
Exxon lesson: Prevention, RCACs the key to avoiding future disaster

Anchorage Daily News
Red Light to Starboard: Recalling the Exxon Valdez Disaster

Exxon Valdez photogallery

25 years later, oil spilled from Exxon Valdez still clings to lives, Alaska habitat

 

World Media
Al Jazeera
The legacy of Exxon Valdez spill
The tanker ran aground 25 years, but the accident continues to harm the environment and human health

Vancouver Sun
Opinion: Oil spills — the 10 lessons we must learn Reality check: Next incident would ruin coastal economy

Seattle Times

Promises broken by the Exxon Valdez oil spill, 25 years later

SFGate

25 years since the Exxon Valdez spill

CNN
After 25 years, Exxon Valdez oil spill hasn’t ended

Kitmat Votes: What the Joint Review Panel said about the Exxon Valdez disaster

Excerpts from the Northern Gateway Joint Review Panel report relating to the Exxon Valdez disaster.

Northern Gateway told the Joint Reivew Panel that

on a worldwide basis, all data sets show a steady reduction in the number
and size of oil spills since the 1970s. This decline has been even more apparent since regulatory changes in 1990 following the Exxon Valdez oil spill, which required a phase-in of double-hulled tankers in the international fleet. No double-hulled tanker has sunk since 1990. There have been five incidents of double-hulled tankers that have had a collision or grounding that penetrated the cargo tanks. Resulting spills ranged from 700 to 2500 tonnes

The Haisla countered by saying:

The Haisla Nation said that, although there have been no major spills since the Exxon Valdez spill in Prince William Sound, there were 111 reported incidents involving tanker traffic in Prince William Sound between 1997 and 2007. The three most common types of incidents were equipment malfunctions, problems with propulsion, steering, or engine function, and very small spills from tankers at berth at the marine terminal. The Haisla Nation said that, in the absence of state-of-the-art
prevention systems in Prince William Sound, any one of those incidents could have resulted in major vessel casualties or oil spills.

There were disputes about how the Exxon Valdez affected species in the Prince William  Sound area:

Northern Gateway said that, although crabs are known to be sensitive to toxic effects, they have been shown to recover within 1 to 2 years following
a spill such as the Exxon Valdez incident. Northern Gateway said that Dungeness crab was a key indicator species in its assessment of spill effects.

Northern Gateway said that potential effects to razor clams are not as well studied. It said that sediment toxicity studies after the Exxon Valdez spill did not suggest significant effects on benthic invertebrates. Following the Exxon Valdez and
Selendang Ayu oil spills in Alaska, food safety closures for species such as mussels, urchins, and crabs were lifted within 1 to 2 years following the
spill.

In response to questioning from the Council of the Haida Nation regarding potential spill effects on herring, Northern Gateway said that herring were a key indicator species in its spill assessment.
Northern Gateway said that the Exxon Valdez spill did not appear to cause population-level effects on Prince William Sound herring.

As did throughout its report, the Joint Review Panel gave great weight to Northern Gateway’s evidence:

 

Northern Gateway said that potential effects of oil stranded on the shorelines and in the intertidal environment were assessed qualitatively with particular reference to the Exxon Valdez oil spill. It said that the entire intertidal zone along affected
shorelines would likely be oiled, coating rocks, rockweed, and sessile invertebrates. Some of the diluted bitumen could penetrate coarse-grained intertidal substrates, and could subsequently be remobilized by tides and waves. There were
relatively few shoreline areas with potential for long oil residency. Northern Gateway said that the stranded bitumen would not be uniformly distributed, and that heavy oiling would likely be limited to a small proportion of affected shoreline. Northern
Gateway said that, compared to the Exxon Valdez oil spill, the simulation suggested that more dilbit would be distributed along a shorter length of shoreline.

Northern Gateway said that, due to the relatively sheltered conditions in Wright Sound, and in the absence of cleanup, most of the stranded oil would be weathered or dispersed into the marine environment within 3 to 5 years. It said that,
while weathering and dispersal could represent an important secondary source of hydrocarbon contamination of offshore or subtidal sediments, the weathered hydrocarbons themselves would have lower toxicity than fresh dilbit.

Northern Gateway assessed potential effects on key marine receptors including marine water quality, subtidal sediment quality, intertidal sediment
quality, plankton, fish, and a number of bird and mammal species. The company said that acute effects from monocyclic aromatic hydrocarbons such as benzene, toluene, ethylbenzene, and xylene may briefly occur in some areas. Acute effects from polycyclic aromatic hydrocarbons were not likely due to their low water solubility.
Northern Gateway said that chronic adverse effects on the subtidal benthic community were not predicted. After a large spill, consumption advisories for pelagic, bottom-dwelling and anadromous fish, and invertebrates from open
water areas and subtidal sediments would probably be less than 1 year in duration. Northern Gateway said that consumption advisories for intertidal communities and associated invertebrates, such as mussels, could persist for 3 to 5 years or longer in
some sheltered areas.

But dilbit is different from heavy crude

In response to questions from the Haisla Nation and the United Fishermen and Allied
Workers Union, Fisheries and Oceans Canada said that, although it had a great deal of information on conventional oils, the results of research conducted on the biological effects of conventional oil products may not be true for dilbit or unconventional products. Fisheries and Oceans Canada said that it was not in a
position to quantify the magnitude and duration of impacts to marine resources

The United Fishermen and Allied Workers Union said that, because there are so many variables, each spill is a unique event, and some results will be unknowable. It said that a spill the size of the Exxon Valdez incident would affect the entire ecosystem
in the project area, and that recovery to pre-spill conditions would be unlikely to ever occur. It said that a spill the size of the Exxon Valdez oil spill would likely have similar effects in the project area because marine resources in the project area are
similar to those in Prince William Sound. It argued that the cold, sheltered, waters of the Confined Channel Assessment Area would likely experience reduced natural dispersion and biodegradation of oil, leading to heavier oiling and longer recovery
times than seen in Prince William Sound and elsewhere.

The United Fishermen and Allied Workers Union said that patches of buried oil from the Exxon Valdez oil have been found on sand and gravel beaches overlain by boulders and cobbles. It said that effects from a tanker spill associated with the
Enbridge Northern Gateway Project would likely be more severe than the Exxon Valdez oil spill due to the more persistent nature of dilbit and the lack of
natural cleaning action in the sheltered waters of the Confined Channel Assessment Area.

The Gitxaala Nation’s experts said that large historical spill events are not necessarily good indicators of what will happen in the future. They
argued that each spill has unique circumstances and there is still significant uncertainty about the effects of major spills.
The Gitxaala Nation concluded Northern Gateway had failed to adequately consider the potential consequences on ecological values of interest to the Gitxaala.

Gitga’at First Nation said that a spill of dilbit greater than 5,000 cubic metres would result in significant, adverse, long-term, lethal, and sublethal effects
to marine organisms, and that effects would be particularly long-lasting on intertidal species and habitats. It also said that effects from a tanker spill associated with the project would probably be more severe than the Exxon Valdez oil spill, due to
the more persistent nature of dilbit and the lack of natural cleaning action in the sheltered waters

The JRP told how Nothern Gateway looked at the scientific evidence:

The company used a case study approach and reviewed the scientific literature for environments similar to the project area. The review examined 48 spills, including the Exxon Valdez oil spill in 1989, and 155 valued ecosystem components from  cold temperate and sub-arctic regions. Northern Gateway said that the scientific evidence is clear that, although oil spills have adverse effects on biophysical and human environments, ecosystems and their components recover with time.

Pacific herring, killer whales, and pink salmon were species that were extensively studied following the Exxon Valdez spill and were discussed by numerous participants in the Panel’s process.

As referred to by the Haisla Nation, Pacific herring are listed as “not recovering” by the Exxon Valdez Oil Spill Trustee Council. The Trustee Council said that, despite numerous studies to understand the effects of oil on herring, the causes constraining population recovery are not well understood.

Northern Gateway said that scientific evidence indicates that a combination of factors, including disease, nutrition, predation, and poor recruitment
appear to have contributed to the continued suppression of herring populations in Prince William Sound.

Northern Gateway said that 20 years of research on herring suggests that the Exxon Valdez oil spill is likely to have initially had localized effects on herring eggs and larvae, without causing effects at the population level. Northern Gateway said
that, even after 20 years, the effects of the spill on herring remain uncertain. It said that there has also been convergence amongst researchers that herring declines in the spill area cannot be connected to the spill.

Northern Gateway said that herring stocks along the entire coast of British
Columbia have been in overall decline for  years and that herring were shown to recover within 1 to 2 years following the Nestucca barge spill.

A Gitxaala Nation expert noted the uncertainty in interpreting the decline of herring following the Exxon Valdez oil spill and said that the debate is not likely to ever be settled.

The Living Oceans Society said that the Exxon Valdez Oil Spill Trustee Council reported that some killer whale groups suffered long-term damage from initial exposure to the spill. Northern Gateway’s expert said the research leads him to
conclude that the actual effects on killer whales of the Exxon Valdez spill are unknowable due to numerous confounding factors. He said that the
Exxon Valdez Oil Spill Trustee Council has not definitively said that killer whale mortalities can be attributed to the spill. A Government of Canada
expert said that the weight of evidence suggests that the mortality of killer whales was most likely related to the spill.

Northern Gateway said that mass mortality of marine fish following a spill is rare. In response to questions from the Haisla Nation, Northern Gateway said that fish have the ability to metabolize potentially toxic substances such as polycyclic aromatic hydrocarbons. It said that international experience with oil spills has demonstrated that fin fishery closures tend to be very short in duration.
Northern Gateway said that food safety programs for fin fish conducted following the Exxon Valdez spill and the Selendang Ayu spill in Alaska indicated
that the finfish were not affected by the spill and that the fish were found, through food safety testing programs, to be safe to eat.

The Haisla Nation referred to the Exxon Valdez Oil Spill Trustee Council report that discussed the complexities and uncertainties in the recovery status of pink salmon. It said that, by 1999, pink salmon were listed as recovered and that the
report noted that continuing exposure of embryos to lingering oil is negligible and unlikely to limit populations.

Northern Gateway said that the longterm effect of the spill on pink salmon survival is
best demonstrated by the success of adult returns following the spill. Northern Gateway said that, in the month following the spill, when there was still
free oil throughout Prince William Sound, hundreds of millions of natural and hatchery pink salmon fry migrated through the area. It argued that these fish would arguably be at greatest risk from spill-related effects but that the adult returns 2 years later were one of the highest populations ever. Northern Gateway said that sockeye and pink salmon appear to have been unaffected by the Exxon Valdez spill
over the long term.

In response to questions from the Council of the Haida Nation and the United Fishermen and Allied Workers Union, Northern Gateway said that effects
on species such as seaweed, crabs, and clams have been shown to be relatively short-term, with these species typically recovering within 2 years or less
following a spill, depending on circumstances.

Northern Gateway said that, based on the Exxon Valdez spill, the level of hydrocarbons dissolved or suspended in the water column would be expected
to be substantially lower than those for which potential toxic effects on crabs or fish may occur.

In response to questions from BC Nature and Nature Canada, Northern Gateway said that the Exxon Valdez oil spill indicates which species of birds are most susceptible to oiling. Seabirds are generally vulnerable to oil spills because many species spend large amounts of time at sea. Diving seabirds such as murres are particularly vulnerable to oiling because they spend most of their time on the surface, where oil is found, and tend to raft  together. Thus, these species often account for most of the bird mortality associated with oil spills.

More than 30,000 seabird carcasses, of which 74 per cent were murres, were recovered following the Exxon Valdez spill and it was initially estimated
that between 100,000 and 300,000 seabirds were killed. However, detailed surveys of breeding murres in 1991 indicated no overall difference from pre-spill levels confirming rapid recovery of this species.

Northern Gateway said that, although potential toxicological effects from oil spills on
birds have been well documented in laboratory studies, the ultimate measure of recovery potential is how quickly birds return to their natural abundance and reproductive performance. It said that recovery is often difficult to measure due to
significant natural variation in populations and the fact that the baseline is often disputed. It said that this can lead to misinterpretation of results depicting recovery.

At the request of Environment Canada, Northern Gateway filed two reports on the susceptibility of marine birds to oil and the acute and chronic effects of the Exxon Valdez oil spill on marine birds. Northern Gateway said that marine birds are
vulnerable to oil in several ways such as contact, direct or indirect ingestion, and loss of habitat.
It said that many marine bird populations appear to have recovered from the effects of the Exxon Valdez spill, but some species such as harlequin ducks and pigeon guillemots have not recovered, according to the Exxon Valdez Oil Spill Trustee
Council. It said these reports demonstrate that marine birds are susceptible to marine oil spills to varying degrees depending on the species, its life
history and habitat, and circumstances associated with the spill.
Northern Gateway concluded that:
• Marine, freshwater, and terrestrial environments recover from oil spills, with recovery time influenced by the environment, the valued ecosystem components of interest, and other factors such as spill volume and characteristics
of the oil. Depending on the species and circumstances, recovery can be quite rapid or it can range from 2 to 20 years. Other scientific reviews have indicated that recovery of marine environments from oil spills takes 2 to 10 years.
• Different marine ecosystem components recover at different rates. Recovery time can range from days or weeks in the case of water quality, to years or decades for sheltered, soft sediment marshes. Headlands and exposed rocky shores can take 1 to 4 years to recover.
• Little to no oil remained on the shoreline after 3 years for the vast majority of shoreline oiled following the Exxon Valdez spill,
• The Exxon Valdez Oil Spill Trustee Council concluded that, after 20 years, any remaining Exxon Valdez oil in subtidal sediment is no longer a concern, and that subtidal communities are very likely to have recovered.
• Because sheltered habitats have long recovery times, modern spill response gives high priority to preventing oil from entering marshes and other protected shoreline areas.
• Valued ecosystem components with short life spans can recover relatively rapidly, within days to a few years. Recovery is faster when there is an abundant supply of propagules close to the affected area. For example, drifting larvae from
un-oiled marine and freshwater habitats will rapidly repopulate nearby areas affected by a spill.
• Plankton recovery is typically very rapid.
• Seabed organisms such as filter feeders may be subject to acute effects for several years, depending on location, environmental conditions, and degree of oiling.
• Marine fisheries and other human harvesting activities appear to recover within about 2 to 5 years if the resource has recovered and has not been affected by factors other than the oil spill.
• Protracted litigation may delay resumption of fisheries and other harvesting.
• Local community involvement in spill response priorities and mitigation plans can reduce community impacts and speed recovery of
fisheries and harvesting activities.
• A long life span typically means a long recovery time, in the case of bird and mammal populations that can only recover by local reproduction rather
than by immigration from other areas.
• Fast moving rivers and streams tend to recover more quickly than slow flowing watercourses, due to dispersal of oil into the water column by turbulence, which can enhance dissolution, evaporation, and microbial degradation.
• Drinking water and other water uses can be affected by an oil spill for weeks to months. Drinking water advisories are usually issued. Groundwater use may be restricted for periods ranging from a few weeks to 2 years, depending on
the type of use.

• Groundwater can take years to decades to recover if oil reaches it. Groundwater does not appear to have been affected in the case of Enbridge’s Kalamazoo River spill, near Marshall, Michigan.

• Freshwater invertebrates appear to have recovered within 2 years in several cases.
• Freshwater fisheries may recover fully in as little as four years, with signs of partial recovery evident after only a few months. The ban on consumption of fish in the Kalamazoo River was to be lifted approximately two years following
the spill.
• Human activities are affected by factors such as cleanup activities, safety closures and harvesting bans. These typically persist for months to a few years.
• Appropriate cleanup can promote recovery, while inappropriate cleanup techniques can actually increase biophysical recovery time.
Modern spill response procedures carefully consider the most appropriate treatment for the oil type, level of contamination, and habitat type.
The Living Oceans Society noted the following in relation to potential recovery of the marine environment following a spill:
• Physical contamination and smothering are primary mechanisms that adversely affect marine life, particularly intertidal organisms.
• Birds and mammals suffer the greatest acute impact when exposed to oil at or near the water surface.
• Marine communities have variable resiliency to oil spills, from highly tolerant (plankton, kelp beds), to very intolerant (estuaries and sea otters). Impacts to communities and populations are very difficult to measure due
to lack of scientific methods to measure long term,sublethal, and chronic ecological impacts.
• As the return of the marine environment to the precise conditions that preceded the oil spill is unlikely, a measurement of spill recovery can be
based on a comparison of un-oiled sites with oiled sites of similar ecological characteristics.
• The Exxon Valdez oil spill killed many birds and sea otters. Population-level impacts to salmon, sea otters, harbour seals, and sea birds appear to have been low. Wildlife populations had recovered within their natural range of variability after 12 years.
• Intertidal habitats of Prince William Sound have shown surprisingly good recovery. Many shorelines that were heavily oiled and then cleaned appear much as they did before the spill. There is still residual buried oil on some beaches. Some mussel and clam beds have not fully recovered.
• The marine environment recovered with little intervention beyond initial cleaning. Natural flushing by waves and storms can be more effective than human intervention.
• Wildlife rescue and rehabilitation efforts had a marginal beneficial effect on the recovery of bird and mammal populations
• The impacted area of Prince William Sound had shown surprising resiliency and an ability to return to its natural state within the range of natural variability.
• The Exxon Valdez oil spill had significant and long-lasting effects on people and communities.

Questioning experts

The Panel posed a series of questions to experts representing Northern Gateway, federal government participants, and the Gitxaala First Nation regarding the potential recovery of marine ecosystems following a large oil spill.
Northern Gateway said that past marine spills have demonstrated that, over time, the environment will recover to a pre-spill state, and that most species fully recover. It said that species associated with the surface of the water tend to be most susceptible to oil spills, and that cleanup efforts can help direct and
accelerate natural restoration processes.
Federal government experts generally agreed with Northern Gateway’s responses, although they stressed that effects could be felt in areas other than the water surface, such as intertidal and subtidal zones. They said that it is difficult to define
and assess effects and recovery, depending on the species and availability of baseline information.
They said that most species may fully recover over time, and that the time frame for this recovery can be extremely variable depending on species and circumstances.
The Gitxaala Nation’s experts noted the potential for effects on species at the water surface and in intertidal areas, and noted exceptions to the notion that
the marine environment will naturally restore itself.
They said that full recovery can occur, depending on the circumstances, but is not guaranteed. They said that it is difficult to assess spill effects in the absence
of adequate baseline information.

 

Despite the quarter century of studies on the Exxon Valdez inicident, the paucity of studies prior to the spill mean that arguments will continue over “baseline information.”

Participants told the Panel that a lack of baseline information has often made it difficult to separate spill-related effects from those that were caused by natural variation or other causes not related to a spill.

Northern Gateway acknowledged the need for adequate baseline information. Parties such as Coastal First Nations, Raincoast Conservation Foundation, and the Gitxaala Nation said that Northern Gateway had provided insufficient baseline information to assess future spill-related effects. The Kitsumkalum First Nation asked how
spill-related effects on traditionally harvested foods could be assessed in the absence of baseline information.

The Haisla Nation noted the importance of collecting baseline data in the Kitimat River valley to compare with construction and spill-related impacts. The Haisla Nation submitted a report outlining important considerations for a baseline
monitoring program. One recommendation was that the program should engage stakeholders and be proponent-funded. In response to questions
from Northern Gateway, the Haisla Nation noted that a design along the lines of a before/after control/impact model would be appropriate.

In response to these comments, Northern Gateway noted its commitment to implement a Pipeline Environmental Effects Monitoring Program. Northern Gateway’s
proposed framework for the monitoring program indicates that a number of water column, sediment, and biological indicators would be monitored.
The Raincoast Conservation Foundation said that one of the principal lessons learned from the Exxon Valdez oil spill was the importance of collecting abundance and distribution data for non-commercial species. Because baseline information was
lacking, spill effects on coastal wildlife were difficult to determine. Environment Canada also noted the importance of adequate baseline information to
assess, for example, spill-related effects on marine birds.

Northern Gateway outlined the baseline measurements that it had already conducted as part of its environmental assessment. It also said that is
would implement a Marine Environmental Effects Monitoring Program. Northern Gateway said that the initial baseline data, plus ongoing monitoring,
would create a good baseline for environmental quality and the abundance, distribution, and diversity of marine biota. In the event of an oil spill
it would also help inform decisions about restoration endpoints.

Northern Gateway said that it would provide Aboriginal groups with the opportunity to undertake baseline harvesting studies. In response to questions from the United Fishermen and Allied Workers Union, Northern Gateway said that baseline information gathered through the environmental effects monitoring program would also be relevant to commercial harvest management and for assessing compensation claims in the event of a spill.
The Kitimat Valley Naturalists noted the ecological importance of the Kitimat River estuary.

The Joint Review Panel, in its conclusions and ruling, generally agreed with the energy industry that affects of a major oil spill would be temporary.

The Panel heard evidence and opinion regarding the value that the public and Aboriginal groups place on a healthy natural environment.

The Panel finds that it is not able to quantify how a spill could affect people’s values and perceptions.
The Panel finds that any large spill would have short-term negative effects on people’s values, perceptions and sense of wellbeing.

The Panel is of the view that implementation of appropriate mitigation and compensation following a spill would lessen these effects over time. The
Panel heard that protracted litigation can delay recovery of the human environment.

The Panel heard that appropriate engagement of communities in determining spill response priorities and developing community mitigation plans can also lessen effects on communities. Northern Gateway has committed to the development
of Community Response Plans
The Panel’s finding regarding ecosystem recovery following a large spill is based on extensive scientific evidence filed by many parties, including information on recovery of the environment from large past spill events such as the Exxon Valdez
oil spill. The Panel notes that different parties sometimes referred to the same studies on environmental recovery after oil spills, and drew different conclusions. In its consideration of natural recovery of the environment, the Panel focused
on effects that are more readily measurable such as population level impacts, harvest levels, or established environmental quality criteria such as
water and sediment quality criteria.
The Panel finds that the evidence indicates that ecosystems will recover over time after a spill and that the post-spill ecosystem will share functional attributes of the pre-spill one. Postspill ecosystems may not be identical to pre-spill ecosystems. Certain ecosystem components may continue to show effects, and residual oil
may remain in some locations. In certain unlikely circumstances, the Panel finds that a localized population or species could potentially be permanently affected by an oil spill. Scientific studies after the Exxon Valdez spill indicated that the vast majority of species recovered following the spill and that functioning ecosystems, similar
to those existing pre-spill, were established.
Species for which recovery is not fully apparent, such as Pacific herring, killer whales, and pigeon guillemots, appear to have been affected by other
environmental factors or human influences not associated with the oil spill. Insufficient pre-spill baseline data on these species contributed to
difficulties in determining the extent of spill effects.
Based on the evidence, the Panel finds that natural recovery of the aquatic environment after an oil spill is likely to be the primary recovery
mechanism, particularly for marine spills. Both freshwater and marine ecosystem recovery is further mitigated where cleanup is possible, effective, and beneficial to the environment.
Natural processes that degrade oil would begin immediately following a spill. Although residual oil could remain buried in sediments for years, the Panel finds that toxicity associated with that oil would decline over time and would not cause
widespread, long-term impacts.

The Panel finds that Northern Gateway’s commitment to use human interventions,
including available spill response technologies, would mitigate spill impacts to ecosystems and assist in species recovery. Many parties expressed concerns about potential short-term and long-term spill effects on resources that they use or depend on, such as drinking water, clams, herring, seaweed, and fish. The weight of
evidence indicates that these resources recover relatively rapidly following a large oil spill.

For example, following the Selendang Ayu and Exxon Valdez spills in Alaska, fin fish were found, through food safety testing programs, to be safe to eat. Food safety closures for species such as mussels, urchins, and crabs were lifted within 1 to
2 years following the spills.
The actual time frame for recovery would depend on the circumstances of the spill. Until harvestable resources recover, various measures are typically put in place, such as compensation,harvest restrictions or closures, and provision of
alternative supply.
It is difficult to define recovery of the human environment because people’s perceptions and values are involved. This was made clear to the
Panel through oral statements and oral evidence.
The Panel finds that oil spills would cause disruptions in people’s lives, especially those people who depend on the marine environment for sustenance, commercial activities and other uses. The extent and magnitude of this disruption
would depend on the specific circumstances associated with the spill. The Panel views recovery of the socio-economic environment as the time when immediate impacts and interruption to people’s lives are no longer evident, and the
natural resources upon which people depend are available for use and consumption.
The Panel heard that assessing the potential recovery time of the environment is often complicated by challenges in separating background or unrelated events from spill-related effects. There can be natural variation in species populations,
and other natural and human-induced effects can also make it difficult to determine which impacts are spill-related and which are not.
The Panel notes that Northern Gateway has committed to collect baseline data and gather baseline information on harvest levels and values through initiatives such as its Environmental Effects Monitoring Program, Fisheries Liaison
Committee, and traditional harvest studies. The Panel finds that these commitments go beyond regulatory requirements and are necessary. This information would contribute to assessments of spill effects on resource harvesting values,
post-spill environmental recovery, and loss and liability determinations.
The Panel is of the view that it is not possible to predict a specific time in which overall recovery of the environment may occur. The time for recovery would depend on the type and volume of product spilled, environmental conditions,
the success of oil spill response and cleanup measures, and the extent of exposure of living and non-living components of the environment to the product spilled. Recovery of living and non-living components of the environment would
occur over different time frames ranging from weeks, to years, and in the extreme, decades.
Even within the same environmental component, recovery may occur over different time frames depending on local factors such as geographic location, the amount of oiling, success of cleanup, and amount of natural degradation.
Based on the physical and chemical characteristics described for the diluted bitumen to be shipped and the fate and transport modelling conducted, the Panel finds that stranded oil on shorelines would not be uniformly distributed on
shorelines and that heavy oiling would be limited to specific shoreline areas. The Panel accepts Northern Gateway’s prediction that spilled dilbit could persist longer in sheltered areas, resulting in longer consumption advisories for intertidal
communities and associated invertebrates than in more open areas.

Based on the scientific evidence, the Panel accepts the results of the
chronic risk assessment that predicted no significant risks to marine life due to oil deposition in the subtidal sediments.
For potential terrestrial and marine spills, the Panel does not view reversibility as a reasonable measure against which to predict ecosystem recovery. No ecosystem is static and it is unlikely that an ecosystem will return to exactly the same
state following any natural or human induced disruption. Based on the evidence and the Panel’s technical expertise, it has evaluated whether or not functioning ecosystems are likely to return after a spill. Requiring Northern Gateway to
collect baseline data would provide important information to compare ecosystem functions before and after any potential spill.

The Panel finds that Northern Gateway’s ecological and human health risk assessment models and techniques were conducted using conservative assumptions and state of the art models. Combined with information from past spill events, these assessments provided sufficient information to inform the Panel’s deliberation on
the extent and severity of potential environmental effects. The Panel finds that this knowledge was incorporated in Northern Gateway’s spill prevention strategies and spill preparedness and response planning. Although the ecological risk assessment
models used by Northern Gateway may not replicate all possible environmental conditions or effects, the spill simulations conducted by Northern Gateway provided a useful indication of the potential range of consequences of large oil spills in
complex natural environments.

First Nations historical herring harvest offers “deep time perspective” to modern managers, SFU study says

SFU archaeologists
Iain McKechnie and Dana Lepofsky examine ancient herring fish bones that tell the story about how gigantic herring fisheries were for thousands of years in the Pacific Northwest. (SFU)

The herring, now dwindling on on the Pacific Coast, was once “superabundant” from Washington State through British Columbia to Alaska and that is a warning for the future, a new study says.

A team of scientists lead by Simon Fraser University argue that the archaeological record on the Pacific Coast offers a “deep time perspective” going back ten thousand years that can be a guide for future management of the herring and other fish species.

An archaeological study looked at 171 First Nations’ sites from Washington to Alaska and recovered and analyzed 435,777 fish bones from various species.

Herring bones were the most abundant and dating shows that herring abundance can be traced from about 10,700 years ago to about the mid-nineteenth century with the arrival of Europeans and the adoption of industrial harvesting methods by both settlers and some First Nations.

That means herring were perhaps the greatest food source for First Nations for ten thousand years surpassing the “iconic salmon.” Herring bones were the most frequent at 56 per cent of the sites surveyed and made up for 49 per cent of the bones at sites overall.

The study was published online Monday, February 17, 2014, in Proceedings of the National Academy of Sciences (PNAS). Simon Fraser University researchers Iain McKechnie, Dana Lepofsky and Ken Lertzman, and scientists in Ontario, Alberta and the United States are its co-authors.

The study is one of many initiatives of the SFU-based Herring School, a group of researchers that investigates the cultural and ecological importance of herring.

“By compiling the largest data set of archaeological fish bones in the Pacific Northwest Coast, we demonstrate the value of using such data to establish an ecological baseline for modern fisheries,” says Iain McKechnie. The SFU archaeology postdoctoral fellow is the study’s lead author and a recent University of British Columbia graduate.

Co-author and SFU archaeology professor Dana Lepofsky states: “Our archaeological findings fit well with what First Nations have been telling us. Herring have always played a central role in the social and economic lives of coastal communities. Archaeology, combined with oral traditions, is a powerful tool for understanding coastal ecology prior to industrial development.”

The researchers drew from their ancient data-catch concrete evidence that long-ago herring populations were consistently abundant and widespread for thousands of years. This contrasts dramatically with today’s dwindling and erratic herring numbers.

“This kind of ecological baseline extends into the past well beyond the era of industrial fisheries. It is critical for understanding the ecological and cultural basis of coastal fisheries and designing sustainable management systems today,” says Ken Lertzman, another SFU co-author. The SFU School of Resource and Environmental Management professor directs the Hakai Network for Coastal People, Ecosystems and Management.

Map of First Nations sites with fish bones
Map of First Nations’ archaeological sites with high numbers of fish bones. Herring is abundant in sites throughout the Strait of Georgia. In 71% of sites, herring makes up at least 20 per cent of the bones found at the site. (SFU/PNAS)

Heiltsuk tradition

The paper says that the abundance of herring is additionally mirrored in First Nations’ place
names and origin narratives. They give the example of the 2,400-y-old site at Nulu where herring
made up about 85 per cent of the fish found in local middens. In Heiltsuk oral tradition, it is Nulu where Raven first found herring. Another site, 25 kilometres away at the Koeye River, has only has about 10 per cent herring remains and is not associated with herring in Heiltsuk tradition.

(In an e-mail to Northwest Coast Energy News, McKechnie said “there is a paucity of archaeological data from Kitimat and Douglas Channel. There is considerable data from around Prince Rupert, the Dundas Islands and on the central coast Namu/Bella Bella/ Rivers Inlet area and in southern Haida Gwaii.”)

The study says that the archaeological record indicates that places with abundant herring were consistently harvested over time, and suggests that the areas where herring massed or spawned were more extensive and less variable in the past than today. It says that even if there were natural variations in the herring population, the First Nations harvest did not affect the species overall.

It notes:

Many coastal groups maintained family-owned locations for harvesting herring and herring roe from anchored kelp fronds, eel grass, or boughs of hemlock or cedar trees. Herring was harvested at other times of the year than the spawning period when massing in local waters but most ethnohistorical observations identify late winter and springtime spawning as a key period of harvest for both roe and fish.

The herring and herring roe were either consumed or traded among the First Nations.

Sustainable harvests encouraged by building kelp gardens,wherein some roe covered fronds were not collected, by minimizing noise and movement during spawning events, and by elaborate systems of kin-based rights and responsibilities that regulated herring use and distribution.

Industrial harvesting

Industrial harvesting and widespread consumption changed all that. Large numbers of herring were harvested to for rendering to oil or meal. By 1910, the problem was already becoming clear. In that year British Columbia prohibited the reduction of herring for oil and fertilizer. There were reports at that time that larger bays on the Lower Mainland were “being gradually deserted by the larger schools where they were formerly easily obtained.”

But harvesting continued, in 1927 the fishery on eastern Vancouver Island, Columbia, processed
31,103 tons of herring. The SFU study notes that that is roughly twice the harvest rate for 2012 and would also be about 38 per cent of the current herring biomass in the Strait of Georgia.
In Alaska, reduction of herring began in 1882 and reached a peak of 75,000 tons in 1929.

As the coastal populations dwindled, as with other fisheries, the emphasis moved to deeper water. By the 1960s, the herring populations of British Columbia and Washington had collapsed. Canada banned herring reduction entirely in 1968, Washington followed in the early 1980s.

In the 1970s, the herring population off Japan collapsed, which opened up the demand for North American roe, which targeted female herring as they were ready to spawn. That further reduced the herring population so that the roe fishery is now limited to just a few areas including parts of the Salish Sea and off Sitka and Togiak, Alaska.

The First Nations food, social and ceremonial herring fishery continues.

Government fishery managers, scientists, and local and indigenous peoples lack consensus on the cumulative consequences of ongoing commercial fisheries on herring populations. Many First Nations, Native Americans, Alaska Natives, and other local fishers, based on personal observations and traditional knowledge, hypothesize that local herring stocks, on which they consistently relied for generations, have been dramatically reduced and made more difficult to access following 20th century industrial fishing

Deep time perspective

The SFU study says that some fisheries managers are suggesting that the herring population has just shifted to other locations and other causes may be climate change and the redounding of predator populations.

But the study concludes, that:

Our data support the idea that if past populations of Pacific herring exhibited substantial variability, then this variability was expressed around a high enough mean abundance such that there was adequate herring available for indigenous fishers to sustain their harvests but avoid the extirpation of local populations.

These records thus demonstrate a fishery that was sustainable at local and regional scales over millennia, and a resilient relationship between harvesters, herring, and environmental change that has been absent in the modern era.

Archaeological data have the potential to provide a deep time perspective on the interaction between humans and the resources on which they depend.

Furthermore, the data can contribute significantly toward developing temporally meaningful ecological baselines that avoid the biases of shorter-term records.

Other universities participating in the study were the University of British Columbia, University of Oregon, Portland State University, Lakehead University, University of Toronto, Rutgers University and the University of Alberta.

 

RELATED:

BC First Nations Opposition to Commercial Herring Fisheries supported by DFO

Fisheries minister ignored advice from own scientists

Oil spill caused “unexpected lethal impact” on herring, study shows

Orcas’ genetic diversity low after Ice Age population “severe reduction”, study finds

Orca
An Orca off Vancouver Island (Robin Rowland/Northwest Coast Energy News)

The worldwide population of Orcas probably crashed during the last Ice Age, creating a “bottleneck” in the genetic diversity of the species around the world, a problem that could continue to affect killer whales today, according to a new genetic study published on February 4,2014.

Rus Hoelzel from the School of Biological and Biomedical Sciences, at Durham University, in the UK and colleagues used DNA sequencing from archive material from earlier studies, or from museum specimens to track the evolution of the Orcas.

One group of Orcas that lives off South Africa are an exception, with greater genetic diversity than others, the new study has revealed.

“Killer whales have a broad world-wide distribution, rivaling that of humans. At the same time, they have very low levels of genetic diversity,” Hoelzel said.

“Our data suggest that a severe reduction in population size during the coldest period of the last ice age could help explain this low diversity, and that it could have been an event affecting populations around the world.

The Orca population along the Northwest Pacific Coast has the same low genetic diversity as in other areas, the study showed.

The killer whale is as a top predator, feeding on everything from seals to sharks. That means from the top of the food chain, the Orca also serves as a sentinel species for past and future ocean ecosystems and environmental change.

In the study published in the journal Molecular Biology and Evolution, Hoelzel and his colleagues assembled 2.23 gigabytes of Northern Hemisphere killer whale genomic data and mitochondrial DNA (mtDNA) from 616 samples worldwide.

The scientists concluded that killer whales were stable in population size during most of the Pleistocene (2.5 million – 11,000 years ago) followed by a rapid decline and bottleneck during the last great period of the Ice Age (110,000-12,000 years ago).

“Our data supports the idea of a population bottleneck affecting killer whales over a wide geographic range and leading to the loss of diversity,” Hoelzel said. “The South African population stands out as an exception, which may be due to local conditions that were productive and stable over the last million years or so.”

They are pointing to the “Benguela upwelling” ocean system which delivers nutrient rich cold water to the oceans off South Africa. The Benguela system remained stable despite the last glacial period and the nutrient rich water would have been able to sustain the supplies of fish and dolphins that killer whales in this part of the world feed on.

The scientists believe that other major upwelling systems around the world – the California current off North America; Humboldt off South America; and the Canary current off the coast of North Africa – were either disrupted or collapsed altogether during the last glacial or Pleistocene periods. This could potentially have reduced the food supply to killer whales in these areas, leading to the fall in their numbers.

While it was likely that other factors affecting killer whale populations were “overlapping and complex”, the scientists ruled out hunting as an effect on the bottleneck in populations. Hunting by early man could not have happened on a sufficient enough scale to promote the global decline in killer whale numbers.

In an e-mail to Northwest Coast Energy News, Hoelzel said that the team sequenced the DNA from a male killer whale from the Southeast Alaska resident community. “This genome revealed the same pattern of historical population dynamics as we found for a whale from the North Atlantic, suggesting shared history across a very broad geographic range, and a shared population bottleneck around the time of the last glacial maximum,” Hoelzel said.

The scientists say looking at the genetic diversity of the ocean’s other top predators, such as sharks, might potentially suggest a negative impact on their numbers too during the Ice Age.

Pension funds pressure Rio Tinto to dump out of controversial Alaska Pebble Mine

Rio_Tinto_LogoRio Tinto says “it intends to undertake a strategic review” of its stake in the highly controversial Pebble Mine project near Bristol Bay, Alaska.

In a news release, Rio Tinto says it is considering its future holdings in a Vancouver-based mining company named Northern Dynasty, which now is the main proponent of the copper and gold mine project. Rio Tinto “through QIT-Fer et Titane Inc., an indirect wholly-owned subsidiary of Rio Tinto plc, owns 18,145,845 common shares of Northern Dynasty, representing approximately 19.1 per cent of Northern Dynasty’s issued and outstanding shares.”

Rio Tinto says the review is part of the financially troubled conglomerate’s review of its mining holdings: “Rio Tinto will consider the Pebble Project’s fit with the Group’s strategy of investing in and operating long life and expandable assets, and with the strategy for its Copper business, which is focused on its four producing assets (Kennecott Utah Copper, Oyu Tolgoi and its interests in Escondida and Grasberg), and two development projects, La Granja in Peru and Resolution in Arizona.”

The Pebble Mine project is as controversial in Alaska and the western United States as the Northern Gateway pipeline project is in British Columbia. Critics say the proposed huge open pit copper and gold mine could endanger the Alaska headwaters of the Kvichak and Nushagak rivers, considered two of the world’s great salmon spawning grounds. Both flow into the “salmon nursery” in Bristol Bay, where young salmon go to feed, possibly also imperiling salmon stocks from both Alaska and British Columbia

On November 4, 2013,  the City of New York and the State of California, whose pension funds have large holdings of Rio Tinto stock, wrote to CEO Sam Walsh, asking the company to reassess the project.

New York City controller John Liu and California state controller John Chiang said their letter was prompted when Rio Tinto rival Anglo-American sold its share of the controversial project in September.

Their letter cited environmental concerns, including the fact that the project would leave 10 billion tonnes of mining waste near the salmon spawning grounds, increased regulatory scrutiny from the US Environmental Protection Agency and what the two controllers called “reputational risks” including opposition from Alaska First Nations and even jewelry companies like Tiffany & Co and Zales and Jostens. The letter cited a poll which showed 73 per cent of Americans, 84 per cent of Alaskans and 98 per cent of Bristol Bay residents opposed the project.

Rio Tinto replied on November 14, in a letter not from CEO Walsh but from John-Sebastian Jacques, chief executive of the copper division, saying Rio Tinto would “encourage a responsible approach among all shareholders” and the company would continue to “review and analyze” the risks involved.

On December 19, the two controllers then called upon Rio Tinto to divest itself of the Northern Dynasty shares, calling, according to the Associated Press, Rio Tinto’s response “perfunctory.”

Rio Tinto spokesman David Outhwaite told AP the strategic review is not connected to that letter or a letter the financial officers sent Walsh.

Ango-American, one of Rio Tinto’s giant mining rivals, pulled out of the Pebble Mine project in September.  Teck Cominco and Mitsubishi had pulled out earlier, leaving Rio Tinto as the only major company involved in the project.

When it decided to sell its share back to Northern Dynasty, Anglo-American also cited a “strategic review” of the company’s operations.

At the time, Rio Tinto’s Jennifer Ruso told the Alaska Dispatch,  the company “will only participate in the project if it can be constructed, operated and closed in a manner that preserves the water, salmon, fisheries, wildlife and the environment. The project must also be developed in accordance with our strict standards for health, safety, environmental protection, cultural heritage, and community relations.”

Northern Dynasty and Rio Tinto then said they were considering an underground mine instead of an open pit operation, which did not satisfy environmental critics of the project.

On December 13, Northern Dynasty reported that it had re-acquired 100 per cent ownership of the Pebble Mine project after completing the pull out deal with Anglo-American.

The company, however, is looking for new partners. It says:

Our primary focus is to select the right partner for Northern Dynasty and the right investor for Alaska, a company with sufficient financial resources and technical capabilities, working experience in the United States and a shared commitment to environmentally sound and socially responsible development. We have little doubt that Pebble will attract major mining company interest in the months ahead.

The news release says that Northern Dynasty has spent US$556 million over the past few years and “substantial progress has been made toward our goal of permitting, constructing and operating a world-class, modern and environmentally responsible mine at Pebble that will co-exist with the fisheries resources of southwest Alaska.”

Northern Dynasty LogoIn the news release, Northern Dynasty President & CEO Ronald Thiessen said Pebble’s engineering design, environmental science and regulatory planning were advanced that the company would begin to ask for US and Alaska permitting under the National Environmental Policy Act (NEPA) sometime the first quarter of 2014.

It describes the project this way:

The Pebble Project is an initiative to responsibly develop a globally significant copper, gold and molybdenum deposit in southwest Alaska into a modern, long-life mine, which will benefit not only Northern Dynasty, but the people, culture and industries of the State of Alaska, as well as suppliers, consultants and industries in the Lower 48 United States of America.
A recent study authored by IHS Global Insight, entitled The Economic and Employment Contributions of a Conceptual Pebble Mine to the Alaska and United States Economies found the Pebble Project has the potential to support 15,000 American jobs and contribute more than $2.5 billion annually to US GDP over decades of production.

The Pebble Project is located 200 miles southwest of Anchorage on state land designated for mineral exploration and development. It is situated in a region of rolling tundra approximately 1,000 feet above sea-level, 65 miles from tidewater on Cook Inlet and presents favourable conditions for successful mine site and infrastructure development.

As the Alaska Dispatch reported when Anglo-American pulled out, the copper and gold deposits are so extensive and potentially valuable that pressure to develop the mine will continue despite the threat to salmon and the Alaska environment.

Oil spill dangers can linger for 40 years, report shows

Genivar report
Cover of Genivar tanker report (Transport Canada)

The Genivar report for Transport Canada on oil spills say that some persistent effects can last for more than 40 years, based on a study of a spill in Cape Cod, Massachusetts. The report  notes that persistent sub-surface oil is still a problem at Prince William Sound, site of the Exxon Valdez disaster in 1989.

On long-term effects, Genivar reports: “The ingestion of contaminated food (such as oiled mussels), may represent the most important exposure pathway for aquatic fauna during a chronic
phase. Chronic exposure to contaminated sediments is also important for fauna or
vegetation.”

 

 

 

It goes on to stay that “large-scale oil spills might have considerable long-term
consequences on social structure and public health, interfering with traditions and
causing cultural disruptions.”

It appears that in the case of an oil-spill, time may heal some wounds, but not all of them, at least if time is considered within human lifetimes and the lifetimes of other species.

Ecological recovery is measured by how quickly individuals and populations of
species return to pre-spill conditions. It is determined by factors such as oil type,
exposure duration, water temperature, degree of weathering, spill response and the
individual and species-specific life history traits. In most environmental habitats,
recovery is completed within 2-10 years after a spill event, but in some exceptional
cases, such as in salt marshes, effects may be measurable for decades after the
event.

In the case of the Exxon Valdez oil spill in Prince William Sound… in 1989, the persistence of sub-surface oil in sediments and its chronic exposure continues to affect some of the wildlife through delayed population reductions, indirect effects and trophic interactions 20 years beyond the acute phase of the spill.

It then goes on to stay that

Four decades after the oil spill In Wild Harbor (USA), Spartina alterniflora beds had a reduced stem density and biomass and mussels in oiled locations showed decreased growth and filtration rates.

According to a Boston Globe story, published at the time of the Deepwater Horizon oil leak in the Gulf of Mexico, in 2010, the Wild Harbor, an oil barge ran aground near Cape Cod in September, 1969, spilling 200,000 gallons of fuel, some of which is still there.

The Boston Globe story noted:

Today, Wild Harbor looks much like any other Cape Cod marsh, but the oil below the surface affects its resiliency. Fiddler crabs normally burrow deep down, funneling oxygen to the roots of marsh grass. Here, they stop digging when they reach the oil, turn sideways, and burrow back to the surface. They also act “drunk’’ from the oil they ingest, and predators can catch them more easily, research shows.

The Woods Hole Oceanographic Institute has been studying the Wild Harbor spill for the past 40 years.

At a recent conference, Dr. John Teal updated scientists on the “multi-decadal effects” of the Wild Harbor spill. According a blog on the conference:

At the time of the 1969 spill, lobsters, clams, and fish died by the thousands, but most people believed the harm would be temporary, reflecting the conventional wisdom of the time. Barge owners and oil industry experts even told residents that most of the oil would evaporate and any damage would only be short-lived. However, researchers at WHOI were not so sure and immediately began cataloging species and tracking where the oil was and kept at it for years. The researchers understood that the immediate, short term effects of oil pollution were already obvious and fairly well-understood, but that everyone was rather ignorant about the long-term and low-level effects of an oil spill….

Beginning three to five years after the spill, marsh grasses and marsh animals were again occupying most of the oiled area. An observer unfamiliar with Wild Harbor would not have been able to visually detect the oiled areas after just 10 years, and by the second decade after the spill, the marsh’s appearance had returned to normal. However, the WHOI researchers pointed out that for more than a decade after the spill, an oil sheen still appeared on the surface of the water when mud from the most heavily oiled parts of the marsh was disturbed….

In 2007, WHOI researchers documented that a substantial amount of moderately degraded petroleum still remained within the sediment and along eroding creek banks of the marsh oiled in 1969. They also demonstrated that the ribbed mussels that inhabit the oiled salt marsh, and are exposed to the oil, exhibited slower growth rates, shorter mean shell lengths, lower condition indices, and decreased filtration rates even when placed in a healthy marsh. Researchers have also documented detrimental effects of the 1969 oil spill on the salt marsh plants themselves.

 

Related Oil Spill on the Wild Harbor Marsh by John M. Teal and Kathryn A. Burns
The Genivar report goes on to note:

Long-term effects on the population in the aquatic environment (especially on mobile fauna) are especially difficult to confirm. Benthic [bottom dwelling] invertebrates may be more at risk than fish species due to the fact that more or less sessile organisms are likely to suffer higher initial rates of mortality and exhibit long recovery times as a result of
exposure to oil-saturated habitats.

Nearshore demersal [bottom-dwelling] fish can also suffer from long-term chronic exposure, as indicated in masked greenlings and crescent gunnels by biomarkers on hydrocarbons 10 years after the Exxon Valdez spill. Mortality in sea ducks and sea turtles due to chronic exposure was also reported many years after the spill and other results indicate that effects on cetacean populations can last beyond 20 years after the acute exposure phase.

As for the recovery of the economy after a spill, Genivar notes it is based “on the time required for effected industries to be fully restored to pre-spill conditions.

The length of time required is influenced by the duration of the aquatic area closures (e.g. commercial fisheries, recreational fisheries), the public perceptions on seafood safety and the perceived effects of the aesthetic quality of the environment. Even after the full ecological recovery of the aquatic resources, fisheries can be far from reestablished, as is still the case for herring fisheries in the Exxon Valdez spill area…

As reviewed by Genivar, negative perceptions associated with the quality of fishery products, even for fisheries that have not been contaminated and also for regions not directly affected by the spill, can be far more important than the direct economic losses. This also holds true for the tourism sector and all other related spinoff sectors.