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Ecology, Conservation, and Restoration of Tidal MarshesThe San Francisco Estuary$
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Arnas Palaima

Print publication date: 2012

Print ISBN-13: 9780520274297

Published to California Scholarship Online: January 2013

DOI: 10.1525/california/9780520274297.001.0001

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PRINTED FROM CALIFORNIA SCHOLARSHIP ONLINE (www.california.universitypressscholarship.com). (c) Copyright University of California Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in CALSO for personal use.date: 18 September 2021

Pollution: Persistent Organic Contaminants and Trace Metals

Pollution: Persistent Organic Contaminants and Trace Metals

(p.53) Chapter Four Pollution: Persistent Organic Contaminants and Trace Metals
Ecology, Conservation, and Restoration of Tidal Marshes

Hyun-Min Hwang

Peter G. Green

Thomas M. Young

University of California Press

More than 80 percent of San Francisco Bay's historic tidal marshes have disappeared due to human activities, and the remaining marshes have been fragmented and contaminated. High levels of contaminants have contributed to the degradation of their habitat quality. After the implementation of management actions and the restriction on the use of toxic chemicals, a significant decrease in contaminant loading occurred, and marsh-habitat quality is being improved slowly. However, levels of contaminants in some tidal marshes are still high enough to threaten the well-being of aquatic life and wildlife. This review summarizes the geographical distribution and temporal trends of contaminants, especially mercury, polychlorinated biphenyls, and organochlorine pesticides, which are the most serious concerns for public health and environmental degradation in the San Francisco Bay.

Keywords:   San Francisco Bay estuary, tidal salt marsh, organic contaminants, trace metals, mercury, PCBs, OC pesticides, geographical distribution, temporal trends

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