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Tag Archives: oxygen

Smaller low-oxygen levels predicted for Chesapeake

WASHINGTON — Researchers say low oxygen levels should affect smaller-than-average areas of the Chesapeake Bay this year. Scientists said Tuesday that they are expecting smaller-than-average hypoxic levels this year, meaning a smaller-than-average “dead zone” in the nation’s largest estuary. Hypoxic ...

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Chesapeake Bay grasses down in 2011; rain, heat blamed

Underwater grasses in the Chesapeake Bay declined more than 20 percent last year, hurt by summer heat and heavy rains and snow melt that sent tons of mud and debris into the bay, the Chesapeake Bay Program said Wednesday. The ...

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