2012-07-06. Once-abundant West Coast oysters near extinction

posted Jul 19, 2012, 11:53 AM by Lisa Ou
| by Paul Fimrite, SFGate. An article relevant to GSS Losing Biodiversity chapter 7. Excerpt: A disturbing nationwide decline in oysters and the life-giving reefs that they build is particularly dramatic in California, where the once-abundant native species has been virtually wiped out, according to a recent scientific study. The report, published in the scientific journal Proceedings of the Royal Society B, said Olympia oysters, once an integral part of the Native American diet and a staple during the San Francisco Gold Rush, are functionally extinct…The loss of native oysters - not to be confused with the farm-raised Japanese Pacific oysters - is a serious issue…oysters clean the water by filter feeding. A single oyster can filter up to 30 gallons of water a day, removing nitrogen and other pollutants…The oyster beds, or reefs, they create provide habitat for myriad fish, crabs and other creatures.…. Read more: http://www.sfgate.com/science/article/Once-abundant-West-Coast-oysters-near-extinction-3689709.php?