Removing Trout in the Sierra Nevada

With places like this, is it any wonder the high Sierra lakes are so popular with fishermen?  Photo by Anders Halverson Biologist Roland Knapp examines invertebrates he has sampled from a Sierra lake in July, 2006. Knapp has been studying the effects of fish removal on other inhabitants of such lakes including amphibians and invertebrates like these.  Photo by Anders Halverson Mountain yellow-legged frogs like this one have been declining due at least in part to fish stocking in the Sierra Nevada.  Photo by Jason Kling (U.S. Forest Service) Seasonal employees of the California Department of Fish and Game and the U.S. Forest Service remove fish from gillnets in a high Sierra lake.  Photo by Anders Halverson A seasonal employee of the U.S. Forest Service removes a dead rainbow trout from a gillnet in a Sierra Nevada lake in the fall of 2006.  Photo by Anders Halverson A view of the Sierra Nevada from Fish Slough, where the last population of Owens pupfish were discovered by Phil Pister, Robert Miller, and Carl Hubbs in 1964.  Photo by Anders Halverson

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