Tuesday, August 07, 2012

Fish die off due to heating stream waters and evaporation.


In a July 10 photo, dead carp float near the shore of the La Crosse Marsh near Myric Park, Wis. This summer's heat wave is taking its toll on fish in the Upper Midwest, where high water temperatures and low oxygen levels have combined to kill thousands of fish in Minnesota, the Dakotas and Wisconsin. (AP Photo/LaCrosse Tribune, Erik Daily)

By By Grant Schulte
Posted Aug 05, 2012 @ 04:15 PM

Thousands of fish are dying in the Midwest (click title to entry - thank you) as the hot, dry summer dries up rivers and causes water temperatures to climb in some spots to nearly 100 degrees.
About 40,000 shovelnose sturgeon were killed in Iowa last week as water temperatures reached 97 degrees. 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....