The National Park Service is scoring some victories in its fight to eradicate nonnative lake trout from Yellowstone’s largest lake.
Released by an anonymous angler in the 1980's lake trout have come to dominate Yellowstone Lake—sending native cutthroat trout into steep decline and wreaking havoc on this iconic ecosystem. Now, the National Park Service (NPS) believes its intensive gillnetting efforts are turning the tide against the invader
LINK (via: Scientific American)