Tearing the web: Invasive trout disrupt Glacier park's lakes
A lake trout that's not native to the region is pulled up in a gill net during a netting operation on Swan Lake in Glacier National Park in September 2013. A new study from the University of Montana's Flathead Lake Biological Station shows the impact of invasive species on regional waterways. (Tom Bauer/The Missoulian via AP)
By ROB CHANEY
Missoulian
GLACIER NATIONAL PARK, Mont. (AP) — In civilization, invaders change the language, diet and customs of the places they conquer...
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