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Scientists say Chesapeake Bay’s health improving

Scientists say Chesapeake Bay’s health improving

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The Chesapeake Bay’s health improved to a grade of C in 2012 and could indicate a reverse in a course of declining health, according to an assessment by scientists at the University of Maryland Center for Environmental Science.

The overall grade was a C, up from a D+ in 2011.

The overall health of the bay rose from 38 percent in 2011 to 47 percent in 2012. Nearly all of the bay health indicators — dissolved oxygen, water clarity, total nitrogen, total phosphorus, chlorophyll (the amount of algae in the water), and the benthic community (organisms that live on the bay’s bottom) — improved in 2012.

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