Credit: Jeff Miller/Getty |
Glacier National Park in Montana is a fisherman’s paradise. Hundreds of snow-fed lakes pepper the park, home to over 20 species of fish, including six kinds of trout. And, because it’s federal land, no license is required to cast a reel. But in a warming world, the National Park Service (NPS) is hoping to transform one of Glacier National Park’s coldest lakes into a refuge for a species of trout. |
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But it’s not as simple as translocating this species into the park. In order to create an environment for these fish, NPS first needs to get rid of the non-native trout that currently inhabit that lake.
The plan proposed by the park, which, if approved, would begin September 2023, recommends using a long-used pesticide and rat poison called rotenone. Despite being a naturally derived compound, it has been banned for use on rodents since 2005. While it is still a widely used fish toxin, or piscicide, as well as a widely used pesticide, researchers have unearthed strong epidemiological links with Parkinson’s Disease. |
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