SIDEBAR
October 1st, 2003
BY KEITH NUTHALLTHE BIOCHEMICAL threat posed by algal blooms is the marine equivalent of a Victorian pea-souper London fog, only one that was a living organism, sucking oxygen from the air, killing thousands of people. Nitrogen and phosphates leaching into the sea from farms and industrial air pollution are ideal food for single-celled phytoplankton, or algae, which reproduce madly in the abundant sunshine of Europe's increasingly warm summers. Green algal bloom blankets result. For the marine animals and fish below, this is no problem during the day, when algae ...
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