Antioch Dunes National Wildlife Refuge
Encyclopedia
Antioch Dunes National Wildlife Refuge is a sensitive sand dune habitat
Habitat
* Habitat , a place where a species lives and grows*Human habitat, a place where humans live, work or play** Space habitat, a space station intended as a permanent settlement...

 located near the city of Antioch, California
Antioch, California
Antioch is a city in Contra Costa County, California. Located in the East Bay region of the San Francisco Bay Area along the San Joaquin-Sacramento River Delta, it is a suburb of San Francisco and Oakland. The city's population was 102,372 at the U.S...

 on the south shore of the San Joaquin River
San Joaquin River
The San Joaquin River is the largest river of Central California in the United States. At over long, the river starts in the high Sierra Nevada, and flows through a rich agricultural region known as the San Joaquin Valley before reaching Suisun Bay, San Francisco Bay, and the Pacific Ocean...

. It serves as a refuge for three endangered species
Endangered species
An endangered species is a population of organisms which is at risk of becoming extinct because it is either few in numbers, or threatened by changing environmental or predation parameters...

 of plants and insects, and is closed to the public except for tours and events supervised by Refuge staff. The Refuge was established in 1980. It is managed by the U.S. Fish and Wildlife Service.

Endangered Species

The species protected at Antioch Dunes are Lange's metalmark butterfly, the Antioch Dunes evening primrose
Antioch Dunes Evening Primrose
Oenothera deltoides subsp. howellii, the Antioch Dunes Evening Primrose, is an endangered subspecies of plant in the family Onagraceae, genus Oenothera, and species Oenothera deltoides.-Description:...

, and the Contra Costa wallflower
Wallflower
Erysimum is a genus that includes about 180 species, both popular garden plants and many wild forms. The genus Cheiranthus is sometimes included herein whole or in part. Erysimum has recently adscribed to a monogeneric cruciferous tribe, Erysimeae...

. See the Lange's metalmark article for some background on the decline of the Antioch Dunes habitat prior to the formation of the Refuge.

External links

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