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Scientists and Researchers: Canadian Wild Salmon Endangered By Failure To Contain Sea Lice From Salmon Farms
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OTTAWA, Canada -- Scientists throughout Canada have written an open letter to the Canadian government urging a response to the issue of sea lice from salmon farms threatening wild Pacific salmon. The scientists are convinced by the published scientific evidence that the debate is over: sea lice breeding on farmed salmon are threatening BC's wild Pacific salmon.

The following is the open letter, sent earlier to Prime Minister Stephan Harper and Premier Gordon Campbell of Canada, and signed by 18 respected scientists and researchers. The letter is as follows:

Dear Steven Harper and Gordon Campbell,

We, the undersigned, are convinced by the published scientific evidence that the debate is over; sea lice breeding on farmed salmon are threatening BC's wild Pacific salmon. There are many threats to wild salmon; however there is now extensive peer-reviewed science that sea lice spread from farm to wild salmon and kill juvenile wild salmon.

In some cases, sea lice originating from salmon farms are estimated to have killed up to 95% of the wild juvenile salmon that pass salmon farms during their ocean migrations. This is unacceptable for any industry.

The scientific literature reports that sea lice infestations of wild, juvenile salmon are associated with salmon farms and wild salmon population declines in several countries: Canada, Norway, Scotland, and Ireland.

John Fredriksen, owner of Marine Harvest, one of the biggest salmon farming companies, both globally and in Canada, recently stated publicly: "I am concerned about the future for wild salmon. Fish farming should not be allowed in fjords with salmon rivers" (Norwegian newspaper Altaposten July 19, 2007).

Earlier this year the BC Special Legislative Committee on Sustainable Aquaculture recommended granting no new net pen farm licenses and moving all existing salmon farms into close-contained facilities. Despite this Pat Bell, British Columbia's Minister of Agriculture and Lands, has granted three more net pen licenses.

In consultation with the salmon farming industry and Fisheries and Oceans Canada, the Pacific Salmon Forum spent $315,000 of the public's funds collecting a baseline dataset to examine sea lice response to fallowing salmon farms. But as of today Marine Harvest and Mainstream Canada have restocked farms spanning the entire Broughton Archipelago.

Consequently this definitive study is no longer possible.

We have united our voices because wild salmon are essential to life in the North Pacific and to the BC economy. We feel the weight of scientific evidence is enough to enact the precautionary principle. For wild salmon to survive in an era of major environmental stresses through global climate change, a pathogen barrier must be established between BC's farmed and wild salmon populations; there are no scientific results to the contrary.

Furthermore, we are warning the BC public that where farmed and wild salmon populations meet in narrow marine passages, as in Broughton and off Campbell River, we can expect long-term wild salmon stock decline if farmed salmon are not quarantined.

When our government ignores the immutable natural law that disease is amplified when host populations are crowded, we pay the price of irreversible loss of a very valuable resource.

We the undersigned agree that based on the published scientific evidence, the only management action that can ensure the protection of wild salmon stocks from farmed salmon is a complete physical barrier to pathogen transmission between wild and farm salmon (closed containment).

We are aware that such changes may have economic consequences for the industry. The science is clear. It is now up to the government and the people of Canada to decide whether the economic benefits of aquaculture, as currently practiced, outweigh the threats to wild salmon and the ecosystems and economies that depend on healthy and abundant wild salmon populations.

We write this public letter out of a sense of duty to future generations.

Respectfully, David Suzuki, Ph.D. , Founder, David Suzuki Foundation Daniel Pauly, Ph.D., Director, Fisheries Centre, University of British Columbia Richard Routledge, Ph.*D., Department of Statistics and Actuarial Science, Simon Fraser University Larry Dill, Ph.D., Professor and Director, Behavioral Ecology Research Group, Dept. of Biological Sciences, Simon Fraser University Mark A. Lewis, Ph.D., Center for Mathematical Biology, University of Alberta Wade Davis, Ph.D., Explorer-in-Residence, National Geographic Society Boris Worm, Ph.D., Marine Conservation Biology, Dalhousie University, Halifax John Volpe, Ph.D., University of Victoria Environmental Studies, Victoria BC Don McQueen, Ph.D., Emeritus Research Professor, York University, Toronto, Adjunct Professor, Simon Fraser University Craig Orr, Ph.D., Executive Director, Watershed Watch Salmon Society, Coquitlam, BC Neil Frazer, Ph.D., Department of Geology and Geophysics, University of Hawaii at Manoa Rob Williams, Ph.D., University of British Columbia, St. Andrews University, Pearse Island, BC Michael Burt, Ph.D., Professor Emeritus, University of New Brunswick Gordon Hartman, Ph.D., Retired Biologist, Fisheries and Oceans Canada Lance Barrett-Lennard, Ph.D., Co-chair Resident Killer Whale Recovery Team Paul Spong. Ph.D., Director, OrcaLab/Pacific Orca Society, Hanson Island, BC Helena Symonds, Director, Orcalab/Pacific Orca Society, Hanson Island, BC Alexandra Morton, R.P.Bio., Director Salmon Coast Field Station, Echo Bay, BC

Views expressed in this article do not necessarily reflect those of UnderwaterTimes.com, its staff or its advertisers.

Reader Comments

2 people have commented so far. cloud add your comment

I applaud this effort to gain a single voice in protecting your reasources from people who'd exploit it for profit. Tho it disturbing to me that your politicians seem to be no more responsive to reason and science than ours are.
   comment# 1   - paul stan · Port Townsend, Washington USA · May 12, 2009 @ 9:49am

I agree with the above statement. The public needs to hear about this so they can be more aware of this problem. I am sending this article to everyone I know.
   comment# 2   - Connie Smith · Fullerton, Ca · Oct 31, 2012 @ 8:00am
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