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Bob Weber, THE CANADIAN PRESS
Fish farming as it's currently practised in Canada is destroying wild salmon stocks and threatens to completely wipe them out within four years in one area of British Columbia, according to new research.
Although debate over the environmental impact of fish farms has raged for years, a study published Thursday in the journal Science leaves little doubt that aquaculture can damage wild populations by infecting juveniles with fatal parasites, said Martin Krkosek of the University of Alberta
"This is the first time we've been able to quantify the effects of the sea lice on wild salmon," he said. "The impact is severe."
Krkosek said that unless something changes, the Broughton archipelago ,about 240 kilometres northwest of Vancouver, will lose its once-abundant wild salmon runs within four years. The findings have implications for fish farming around the world for all species, he said.
"The current model for farming salmon is the same model that's been used to farm other species like cod and halibut. This is kind of a bellwether case for aquaculture in general."
Link to the full article:
http://www.mytelus.com/ncp_news/article.en.do?pn=regional/british_columbia&articleID=2837872
Fish farming as it's currently practised in Canada is destroying wild salmon stocks and threatens to completely wipe them out within four years in one area of British Columbia, according to new research.
Although debate over the environmental impact of fish farms has raged for years, a study published Thursday in the journal Science leaves little doubt that aquaculture can damage wild populations by infecting juveniles with fatal parasites, said Martin Krkosek of the University of Alberta
"This is the first time we've been able to quantify the effects of the sea lice on wild salmon," he said. "The impact is severe."
Krkosek said that unless something changes, the Broughton archipelago ,about 240 kilometres northwest of Vancouver, will lose its once-abundant wild salmon runs within four years. The findings have implications for fish farming around the world for all species, he said.
"The current model for farming salmon is the same model that's been used to farm other species like cod and halibut. This is kind of a bellwether case for aquaculture in general."
Link to the full article:
http://www.mytelus.com/ncp_news/article.en.do?pn=regional/british_columbia&articleID=2837872