Articles tagged as: usgs scientist

Deaths of Old-Growth Trees Double as Western U.S. Warms

ARCATA, California, January 22, 2009 (ENS) – Death rates of old-growth trees in western U.S. forests have more than doubled over the past few decades, and the most likely cause of the trend is regional warming, finds new research to be published Friday in the journal “Science.” Led by scientists with the U.S. Geological Survey, [...]

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Most of Gulf Dead Zone Nutrients Come from Just Nine States

RESTON, Virginia, January 30, 2008 (ENS) – Nine states in the Mississippi River Basin contribute the majority of nutrients to the northern Gulf of Mexico, threatening the economic and ecological health of one of the nation’s largest and most productive fisheries, according to a federal government report released Wednesday. The states of Illinois, Iowa, Indiana, [...]

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