Invasive plants, fish threaten Great Lakes region
After Brian Griffin pulls his boat out of West Loon Lake, a couple of weeds dangle from his trailer and propeller.
After Brian Griffin pulls his boat out of West Loon Lake, a couple of weeds dangle from his trailer and propeller.
Ecology
Jul 9, 2012
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Although there has been growing recognition among researchers and policy-makers that ship-borne invasive species cause a considerable economic toll, this environmental problem often goes unaddressed because of the difficulty ...
Ecology
Mar 29, 2012
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Big sagebrush (Artemisia tridentata) is a key foundational species in an ecosystem that is threatened by invasion of cheatgrass and the subsequent increase in fire frequency. Critical to the conservation, reestablishment, ...
Plants & Animals
Mar 27, 2012
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A forest may look like a forest, have many of the same trees that used to live there, but still lose the ecological, economic or cultural values that once made it what it was, researchers suggest this week in articles in ...
Environment
Oct 3, 2011
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American pikas, the chirpy, potato-sized denizens of rocky debris in mountain ranges and high plateaus in western North America, are holding their own in the Southern Rocky Mountains, says a new University of Colorado Boulder ...
Ecology
Sep 1, 2011
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Local extinction rates of American pikas have increased nearly five-fold in the last 10 years, and the rate at which the climate-sensitive species is moving up mountain slopes has increased 11-fold, since the 20th century, ...
Ecology
Apr 20, 2011
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Do mountain tops act as sky islands for species that live at high elevations? Are plant populations on these mountain tops isolated from one another because the valleys between them act as barriers, or can pollinators act ...
Plants & Animals
Jan 21, 2011
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The Obama administration on Thursday released its 2011 battle plan in the ongoing fight to keep Asian carp from invading the Great Lakes, a plan that calls for no waterway closures in the Chicago area. Less than three hours ...
Ecology
Dec 17, 2010
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New research addressing climate change questions, a priority focus of the USDA Forest Service Pacific Southwest Research Station, documents that American pika in the Sierra Nevada and southwestern Great Basin are thriving ...
Environment
Mar 4, 2010
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The once-radical idea of somehow plugging the Chicago Sanitary and Ship Canal to stop the flow of unwanted species from spilling between the Great Lakes and Mississippi River basin is quickly picking up political support.
Environment
Dec 21, 2009
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