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Warm river temperatures in Oregon trigger die-off of threatened salmon

2015-06-20 01:09:00| Climate Ark Climate Change & Global Warming Newsfeed

Reuters: Hundreds of spring Chinook salmon have been found dead in Oregon rivers over the past week, in a sign that abnormally high water temperatures are taking a toll on the threatened species, wildlife officials said on Friday. Low snowpack linked to a historic drought has prevented icy-cold runoff from entering rivers as normal this year, according to federal hydrologists. Temperatures in the Willamette River, a tributary of the Columbia River, have risen from 70 degrees Fahrenheit (21 Celsius) to 75...

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