A sockeye salmon’s life is based on a four-year cycle. Returns for this year’s Fraser River run are not expected to be as high as the record-breaking returns of 2010. The number of salmon returning to the river each year are significant because they generally dictate the amount returning to spawn four years later.
If we look back to the runs in 2007, only 1.5 million were counted, with only 900,000 spawners. Based on a survival rate of approximately five fish for every spawner, the fisheries are expecting approximately 3 to 5 million sockeye this year, which doesn’t amount to much for the fisheries. [Read full article].