PHYS.ORG
August 5, 2012 by GRANT SCHULTE
(AP) — Thousands of fish are dying in the central U.S. as the hot, dry summer dries up rivers and causes water temperatures to climb in some spots to nearly 100 degrees Fahrenheit (38 Celsius).
About 40,000 shovelnose sturgeon were killed in Iowa last week as water temperatures reached 97 degrees Fahrenheit (36.1 Celsius). Nebraska fishery officials said they've seen thousands of dead sturgeon, catfish, carp, and other species in the Lower Platte River, including the endangered pallid sturgeon. And biologists in Illinois said the hot weather has killed tens of thousands of large- and smallmouth bass and channel catfish and is threatening the population of the greater redhorse fish, a state-endangered species.
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