In the heart of California’s high-tech industry lies a 30,000-acre oasis for millions of migratory birds and endangered species. The nation’s first urban national wildlife refuge sits on the southern end of San Francisco Bay. The refuge, created in 1974, was largely the result of grassroots efforts by the local community to protect the San Francisco Bay ecosystem. Major changes occurred in the San Francisco Bay Area following the California gold rush in 1849, creating a population boom explosive growth and development on sensitive lands surrounding the bay. The newly introduced salt industry, for example, converted tens of thousands of acres of salt marsh into commercial salt ponds. Conversion of wetlands to support development continued well into the 20th century, and today, nearly 85% of the bay’s original marshes and shorelines have been altered. http://www.fws.gov/refuge/Don_Edwards_San_Francisco_Bay/about.html

ACTIVEXPLORE – THOUSANDS OF AMAZING ACTIVITIES IN YOUR POCKET

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Don Edwards San Francisco Bay

Don Edwards San Francisco Bay

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