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In 1994, invasive lake trout appeared in Yellowstone Lake; spawning cutthroat fell up to 95%, but removing 4.9 million has aided recovery

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Yellowstone’s lake trout suppression program has removed 4.9 million invasive fish, helping cutthroat trout and wildlife begin to recover. Yet native trout remain below management targets, and officials say sustained removal, funding, and monitoring are needed. (Wikimedia Commons)

During summer mornings at Yellowstone Lake, workers in rubber boots and life jackets pull up gillnets in an effort to reverse years of ecological damage. By October, the seasonal fishing operation typically winds down after deploying thousands of miles of gillnets, according to the National Park Service (NPS). The target is an invasive fish first … Read more