Jackson Hole News&Guide National Park Service biologist Colleen Detjens takes notes while monitoring a rotenone drip station in a tributary of Grayling Creek last week in Yellowstone National Park. The chemical will kill all fish in the creek to prepare it for reintroduction ...
USA TODAY By treating the creek with the fish poison rotenone , Ames said all the creek's fish and native invertebrates will be wiped out with potential long-term cost to the wilderness ecology. "They're going to destroy an area and kill all the fish, and they ... and more »
Nature World News Only a few toxicants can legally be used for fish kills, including chlorine, rotenone and antimycin A, all of which are approved for use as a piscicide by the Environmental Protection Agency, according to a report by the Southern Regional Aquaculture ...
The Spokesman Review The Spokane County lake is one of three Eastern Washington lakes proposed by state fisheries biologists to be treated with rotenone . The organic agent kills fish by preventing their gills from processing oxygen. This “lake rehabilitation” process has ... and more »
KXLY Spokane The Idaho Fish and Game Department has decided to kill off aquatic life in Soldier's Meadow Reservoir this fall in an effort to rehabilitate the lake and rebuild its declining fishery. Officials plan to utilize the chemical Rotenone in early November ...
Columbia Basin Herald The proposal includes the use of rotenone , a natural occurring pesticide commonly used to control undesirable fish populations, according to a statement by the state agency. The WDFW is proposing to treat several lakes on the east side of the state ...