Overfishing_imperils_ocea - San Francisco Chronicle...

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San Francisco Chronicle Tuesday, March 3, 2009 Overfishing imperils ocean life, study says By Jane Kay, Chronicle Environment Writer The stars of the ocean - bluefin tuna, salmon, whales and seabirds - suffer from dwindling food supplies as a result of heavy fishing driven by the demands of fish farms and climate change, according to a study released Monday. Seven of the world's 10 largest commercial fisheries include small fish such as herring, anchovy, pollock, mackerel and whiting, which support the vast ocean web of big fish, marine mammals and birds, said the study by Oceana, a worldwide environmental group. The loss of food at the bottom of the ocean food chain harms a range of species, resulting in malnutrition, death of offspring or disruption in migration and breeding patterns, Margot Stiles, lead author and Oceana marine biologist, said Monday. "These fish may be small. They're not glamorous. But they do all of the work in the ocean," Stiles said. "They're the foundation of the food web. Without them, we would lose the things we
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This note was uploaded on 09/15/2011 for the course ENG 212 taught by Professor Staff during the Spring '11 term at S.F. State.

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Overfishing_imperils_ocea - San Francisco Chronicle...

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