Charlie Smith August 13, 2009 Straight.com
A fish biologist with an environmental group has suggested that fish farms could be a contributing factor behind a stunning drop in the expected return of Fraser River sockeye.
Stan Proboszcz, who works for Watershed Watch Society, told the Georgia Straightthere are three theories that could help why Fisheries and Oceans Canada has missed the mark on its forecast.
• Ocean temperature changes are affecting the food dynamics for juvenile sockeye on their way out to sea.
• Warming temperatures in the Fraser River are stressing juvenile salmon, which could have an impact on mortality.
• Salmon farms in Georgia Strait are infecting juvenile sockeye with sea lice.
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Posted August 13th, 2009