• Science

    Science panel excited about numbers on Yellowstone Lake

    By Dave Sweet “Victory on Yellowstone Lake is within our grasp!” Those words came from Dr. Michael Hansen during the Science Review Panel meetings held last week on the Yellowstone Cutthroat Recovery in Yellowstone Lake project. Hansen is the recently retired supervisory research fisheries biologist for the Great Lakes Science Center of the United States…

  • Conservation

    Thistles and cutthroat trout

    With such abundant water throughout Southwest Colorado this year, invasive plants are thriving. While Canadian and musk thistle, mullen and even spotted knapweed provide gorgeous colors dotting the landscape, I can't help but cringe every time I see a field (or the edge of my driveway) lined with them. Mullen grows so tall it disrupts…

  • New Zealand mud snails in Michigan trout streams

    More than 180 non-native species have been introduced to the Great Lakes region, and many of them have been categorized as invasive, causing potential threat to native ecosystems and their populations.   One relative newcomer is causing concerns about its potential risks to the region’s trout streams.  The New Zealand mud snail (Potamopyrgus antipodarum) is an aquatic invasive that has appeared in Great Lakes streams only recently. …