SWEDISH AND AMERICAN SCIENTISTS SAY MARINE DEAD ZONES ON THE INCREASE

BY ALAN OSBORN

THE EXTENT of marine dead zones - coastal waters almost totally deprived of oxygen and life - has roughly doubled every decade since the 1960s claim Swedish and American scientists. Professors Rutger Rosenberg of Sweden's University of Goteborg, and Robert Diaz, of the Virginia Institute of Marine Science, found more than 400 dead zones globally, ranging from expansive ones in the Baltic Sea and the Gulf of Mexico, to small estuary zones.

ENDS


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