Research & Reports: 2008

2008, August – A Brief Response to the January 2008 Report “Overview of Sea Lice Issues and Risks to Farmed and Wild Salmon” prepared for Cermaq.
Stan Proboszcz and Dr. Craig Orr from Watershed Watch Salmon Society review an “Overview of Sea Lice Issues and Risks to Farmed and Wild Salmon” prepared by Saksida and Downey for Cermaq (Mainstream). The response addresses the lack of publicly available data in the form needed to effectively evaluate sea lice impacts as well as key published research and management details that Saksida and Downey failed to include in their review.


2008, May – Thriving Economies, Healthy Oceans, a summary of a Global Assessment of Closed System Aquaculture.
This report, by the Georgia Strait Alliance and the David Suzuki Foundation, shows that a shift from open to closed-system fish farming is not only a viable alternative to open net cage farming, but is also a vibrant and rapidly developing global industry. (Full Report)


2008, March – Morton, A., R. Routledge, and M. Krkosek. 2008. Sea louse infestation in wild juvenile salmon and Pacific herring associated with fish farms off the east-central coast of Vancouver Island, British Columbia. North American Journal of Fisheries Management. Published online March 31, 2008.
The authors report on 2 years of sea louse field surveys of wild juvenile pink and chum salmon, as well as wild sockeye salmon O. nerka and larval Pacific herring Clupea pallasii, in another salmon farming region, the Discovery Islands region of British Columbia. These results suggest that the association of salmon farms with sea lice infestations of wild juvenile fish in Pacific Canada now extends beyond juvenile pink and chum salmon in the Broughton Archipelago.


2008, February – CAAR Review of PSF Sea Lice Science Report.
The CAAR review of “Science and Sea Lice: What do we know?” a report released by the BC Pacific Salmon Forum prepared by Brian Harvey, February 2008, reveals the lack of effective evaluation or synthesis of the science. Instead of resolving the “sea lice question,” the review muddies the waters of what is clearly a relevant ecological and sociological topic. Link to the Pacific Salmon Forum Report.


2008, February – Ford JS, Myers RA. A global assessment of salmon aquaculture impacts on wild salmonids. PLoS Biology 6(2): e33.
This study compared marine survival of salmon in areas with salmon farming to adjacent areas without farms in Scotland, Ireland, Atlantic Canada, and Pacific Canada to estimate changes in marine survival concurrent with the growth of salmon aquaculture. Through a meta-analysis they show a reduction in survival or abundance of Atlantic salmon; sea trout; and pink, chum, and coho salmon in association with increased production of farmed salmon. In many cases, these reductions in survival or abundance are greater than 50%.


2008, January 3 – Andrew A. Rosenberg. The Price of Lice. NATURE. 451:23-24.
Wild salmon stocks in Canadian coastal waters are being severely affected by parasites from fish farms. So intense are these infestations that some populations of salmon are at risk of extinction.