Tag Archives: unspawned chum
Historic Alaska heatwave is killing off thousands of salmon
Unusually warm temperatures across Alaska this summer has led to die-offs of unspawned chum, sockeye and pink salmon, with the warm waters acting as a “thermal block,” basically a wall of heat salmon don’t swim past, delaying upriver migration.,,, “Cook Inletkeeper has been tracking stream temperatures in non-glacial systems across the Cook Inlet watershed since 2002. But this is a first – we’ve never seen stream temperatures above 76 degrees Fahrenheit,” wrote Mauger. “Physiologically, the fish can’t get oxygen moving through their bellies,”,,, >click to read< 09:46
