Quantcast

Study finds Chesapeake dead zone decline

ANNAPOLIS — A new study finds dead zones in the Chesapeake Bay are getting smaller. Dead zones are deeper, low-oxygen areas where plants, animals and other organisms can't live. The zones form in mid- to late-summer fueled by warmer temperatures and pollutants such as fertilizer and farm runoff that spur oxygen-robbing algae blooms. Researchers analyzed bay water ...