Bay's underwater grasses decline for third year

(Phys.org) —An annual aerial survey led by researchers at the Virginia Institute of Marine Science shows that the abundance of underwater grasses in Chesapeake Bay and its tidal rivers declined 24% between 2011 and 2012, ...

New study provides global analysis of seagrass extinction risk

A team of 21 researchers from 11 nations, including professor Robert "JJ" Orth of the Virginia Institute of Marine Science, has completed the first-ever study of the risk of extinction for individual seagrass species around ...

Study on Great Lakes erosion dredges up controversy

The Great Lakes aren't as great as they once were. A U.S.-Canadian study released Tuesday reveals that unexpected erosion in the St. Clair River following a 1962 dredging project has permanently lowered Lakes Michigan and ...

Rip currents pose greater risk to swimmers than to shoreline

Rip currents -- powerful, channeled currents of water flowing away from the shore -- represent a danger to human life and property. Rip currents are responsible for more than one hundred deaths on our nation's beaches each ...

Global warming may impede eelgrass growth

Scientist Ron Thom probably knows more than anyone else about the growth of eelgrass, the humble marine plant commonly found in sheltered bays, inlets and other shallow waters.

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