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Chesapeake Bay Underwater Grasses Continue to Rebound
Underwater grasses continue to rebound across the Chesapeake Bay, Maryland and Virginia scientists reported Thursday, with aerial surveys showing a 27 percent expansion last year.

The two-state survey tallied nearly 76,000 acres of grasses growing in creeks, coves and other shallow waters, including some areas where aquatic vegetation hasn't been documented in years, if ever.

"For the first time in a while, we’re getting calls from frustrated property owners ... having trouble accessing the bay from their docks because there’s so much grass along their shorelines, and it’s getting tangled in their boat’s propellers," said Brooke Landry, a biologist with the Maryland Department of Natural Resources.

Problematic as that may be for boaters, it's encouraging ecologically, as the grasses provide vital habitat for blue crabs and fish, while also helping to clean up the water.

Even so, the extent of aquatic vegetation seen last year is still just 41 percent of the goal set by states and the federal government for restoring the bay's vitality.


 
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Hydrologists Blame Toxin Used to Kill Fish for Parkinson's Diagnoses - The U.S. Environmental Protection Agency had asked manufacturers to voluntarily cancel the use of rotenone as a pesticide in homes and for agriculture, where it had been used as an insecticide and piscicide (fish killer) since 1947. Rotenone’s safety for humans has, in fact, been called into question since the mid-’70s.


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