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News Release: U.S. rivers show few signs of improvement from historic nitrate increases

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During 1945 to 1980, nitrate levels in large U.S. rivers increased up to fivefold in intensively managed agricultural areas of the Midwest, according to a new U.S. Geological Survey study. … The USGS study, reported in the Journal of the American Water Resources Association, includes rivers flowing into the Great Lakes and coastal waters such as Long Island Sound, Delaware River estuary, Chesapeake Bay, San Francisco Bay, and the Gulf of Mexico. 

Source: California Water News feed

Source: Water Industry News

News Release: Everglades’ alligator numbers drop after dry years

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Alligators and the Everglades go hand-in-hand, and as water conditions change in the greater Everglades ecosystem, gators are one of the key species that could be affected. A recent study conducted by researchers from the U.S. Geological Survey, U.S. Fish and Wildlife Service and the University of Florida found the number of American alligators observed in the Arthur R. Marshall Loxahatchee National Wildlife Refuge dropped following dry years, and then appeared to recover in later non-dry years.

Source: California Water News feed

Source: Water Industry News

Water weed strikes again

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The Delta’s floating green menace has now forced the city of Stockton to close its largest boat launch, another sign that this year’s water hyacinth invasion is just as nasty — if not more so — than last year’s.

Source: California Water News feed

Source: Water Industry News