Napa Sonoma Marsh
Napa River
The Napa Sonoma Marsh is a wetland at the northern edge of San Pablo Bay, which is a northern arm of the San Francisco Bay in California, United States. This marsh has an area of 48,000 acres (190 km2), of which 13,000 acres (53 km2) are abandoned salt evaporation ponds.[citation needed] The United States Government has designated 13,000 acres (53 km2) in the Napa Sonoma Marsh as the San Pablo Bay National Wildlife Refuge.[citation needed]
Overview
The marsh is fed by Sonoma Creek (which drains the Sonoma Valley), Tolay Creek (originating in the Tolay Lake basin), and the Napa River (which drains the Napa Valley).[1] Although the marsh extends north as far as State Route 12,[2] as a practical matter, most of the marsh is only accessible by boat.
The marsh is a productive estuarine ecosystem providing habitat for a wide diversity of flora and fauna, including numerous rare and endangered species such as the California clapper rail and California freshwater shrimp.[3] Because of its rich avafaunal content, the Napa Sonoma Marsh is one of only seven marshes selected for intensive study by the Point Reyes Bird Observatory (based on a total of 50 discrete marshes appurtenant to the San Francisco Bay).[4]
Around 1860, the Napa Sonoma Marsh was one of the most productive wetlands of the Pacific Coast, providing habitat for millions of birds.[5] By the mid-1980s, the San Francisco Bay perimeter had lost over 91 percent of its wetlands. The Napa Sonoma Marsh represents one of the few sizeable expanses where restoration is feasible.[6]
During the Vietnam War, the Navy utilized the marsh as a training ground for crews of the Navy's new Swift boats and patrol boats, operating out of Mare Island Naval Shipyard at the marsh's southern terminus.[7][8]
An extensive research literature base exists for the Napa Sonoma Marsh.[9]
See also
References
- ^ Napa Sonoma Marsh Restoration Plan
- ^ "John Warner, S. Geoffrey Schladow, Napa-Sonoma Marsh Modeling Project". Archived from the original on 2007-08-21. Retrieved 2007-02-02.
- ^ Napa County Resource Conservation District, Napa RCD Newsletter, March, 2004
- ^ Point Reyes Bird Observatory Priorities for Intensive Monitoring
- ^ U.S.Fish and Wildlife Service, San Pablo Bay National Wildlife Refuge
- ^ California Coastal Conservancy: Napa Sonoma Marsh Restoration Project
- ^ Schaefer, Phillip C. (2014). Dartmouth veterans : Vietnam perspectives. Dartmouth College Press. ISBN 978-1-61168-549-7. OCLC 891460648.
- ^ "PBR Vietnam". pbr722. Retrieved 2020-06-05.
- ^ A research bibliography for the Napa Sonoma Marsh
External links
- Official website
38°10′07″N 122°20′22″W / 38.16871°N 122.33946°W / 38.16871; -122.33946
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