Resh11 - Biology 1B, Ecology Lecture 11, Page 1 *Assigned...

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Biology 1B, Ecology Lecture 11, Page 1 Professor Resh Spring 2010 *Assigned readings, 8 th Edition pp. 1260-1263 7 th Edition pp. 1224-1229 San Francisco Bay Outline of Lecture 11 A. San Francisco Bay B. Biological Resources of Bay C. Physical influences on habitats D. Current problems A. San Francisco Bay Estuary: a point at which the river meets the sea, with a mixture of saline and freshwater conditions, tidal mud flats and salt marshes, and a characteristic and unique fauna. Population change (pre- 1769: 10-20,000 native Americans; after 1848 San Francisco grew from 400 to >25,000. Legacy of gold mining activities still affects the Bay.
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Biology 1B, Ecology Lecture 11, Page 2 Professor Resh Spring 2010 *Assigned readings, 8 th Edition pp. 1260-1263 7 th Edition pp. 1224-1229 San Francisco Bay B. Biological Resources of Bay 1. Commercial fisheries (decline of salmon, sturgeon, and striped bass began about 1900; only herring and anchovies fished commercially today). 2. Dungeness crab (in 1880 commercial
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Resh11 - Biology 1B, Ecology Lecture 11, Page 1 *Assigned...

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