Krista K. Garrett

Graduation Year


Date of Thesis Acceptance

Spring 5-9-2012

Major Department or Program



Nicholas Bader


In the southern part of San Francisco Bay, large tracts of wetlands have been enclosed by dikes and used as shallow salt production ponds since the 1800s. In 2003, the California Department of Fish and Game and the U.S. Fish a nd Wildlife Service purchased 61 km 2 of salt ponds for wildlife restoration. C oncentrations of macronutrients (e.g, phosphorus and nitrogen ) in the water column and benthos of these ponds affect primary productivity and the likelihood of cyanobacteria blo oms . In order t o understand the production, consumption, and tidal transfer of nutrients , the concentrations and fluxes of dissolved (0.2 - micron filtered) ortho phosph ate and ammonia through Pond A3W of the Alviso Salt Pond Complex were determined . Result s from this study indicate that the fluxes of these nutrients through the pond are tidally controlled , and will augment ongoing research by the U.S. Geological Survey and collaborating agencies to assist in restoring the historic wetlands and avian - migrati on habitats of San Francisco Bay.

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Subject Headings

San Francisco Bay Area (Calif.), Wetland restoration -- California, California -- Department of Fish and Game, U.S. Fish and Wildlife Service, Phosphorus -- Environmental aspects, Nitrogen -- Environmental aspects, Tides -- California -- San Francisco Bay, Alviso (Calif.) -- Alviso Salt Pond complex, Estuaries -- Chemicals, Ponds -- Pond A3W, Whitman College -- Dissertation collection 2012 -- Geology Department

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