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SERC sedge grass experiment mimics predicted global-change scenario


Ecologists at the Smithsonian Environmental Research Center measure the growth rate of sedge grass in a brackish Chesapeake Bay marsh. Fed a diet rich in CO2 and nitrogen, conditions that mimic the rise of atmospheric CO2  and pollution from farming and wastewater, the sedge has been grown and monitored in test chambers by Smithsonian scientist since 2006 in this global-change experiment. (Photo by John Barrat)


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