Richardson Bay (originally Richardson's Bay) is a shallow,
ecologically
Ecology () is the study of the relationships between living organisms, including humans, and their biophysical environment, physical environment. Ecology considers organisms at the individual, population, community (ecology), community, ecosy ...
rich arm of
San Francisco Bay, managed under a Joint Powers Agency of four northern
California
California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the m ...
cities. The Richardson Bay Sanctuary was acquired in the early 1960s by the
National Audubon Society.
The bay was named for
William A. Richardson, early 19th century
sea captain and
builder in
San Francisco
San Francisco (; Spanish for " Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the fourth most populous in California and 17th ...
. It contains both
Strawberry Spit and
Aramburu Island.
In spite of its urbanized periphery, Richardson Bay supports extensive
eelgrass Eelgrass is a common name for several plants and may refer to:
* ''Zostera'', marine eelgrass
* ''Vallisneria'', freshwater eelgrass
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