Vin D’Angelo, a USGS fisheries biologist, holds up a nonnative lake trout that was caught recently in Glacier National Park’s Logging Lake. (Photo courtesy Joe Giersch, USGS)
November 4, 2021
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October 22, 2023 midnight
Experts optimistic about efforts to curtail invasive lake trout
Competition from lake trout in Montana waters continues to cut into the population of native fish, but experts are optimistic that ongoing efforts will manage and potentially reverse the decline.
November 5, 2021 midnight
Study shows how invasive species affect lakes
Invasive species cause biodiversity loss and about $120 billion in annual damages in the U.S. alone. Despite plentiful evidence that invasive species can change food webs, how invaders disrupt food webs and native species over time has remained unclear.