The San Francisco Bay is our region's dominant geographic feature.

Bay Activist: Florence LaRiviere

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When Florence LaRiviere heard last year that 16,000 acres of Cargill’s salt ponds had been acquired for restoration, the longtime Bay advocate rejoiced. “This work will start changing the land and the waters back to what they looked like a … Read more

Refuge Volunteer: Eileen McLaughlin

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The baylands’ swampy smells and power lines are distasteful to many. But to Eileen McLaughlin, Don Edwards National Wildlife Refuge was unknown territory to be explored. This energetic woman started volunteering at the refuge in 1998, going out to closed … Read more

Scientist: Howard Shellhammer

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Howard Shellhammer is known as the champion of a very rare mouse. A world expert on the endangered salt marsh harvest mouse, the former San Jose State biology professor has studied these diminutive rodents for over four decades, and spoken … Read more

Shrimper: Tom Laine

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Tom Laine knew the salt ponds long before they were making salt. “I was born here in 1937, and I’ve been on the Bay since I was five,” the Alviso native says. “I know what the Bay is supposed to … Read more

Still Hanging On

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Nearly forgotten today, the native oysters of San Francisco Bay once formed large shallow-water reefs, providing critical habitat for other creatures and a major food source for Native Americans. Now, local scientists and Bay advocates are hoping to coax the remaining populations of this small mollusk back to health.

Rush Ranch and China Camp Become a NERR

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Rush Ranch Open Space features the largest intact brackish tidal marsh in the San Francisco Estuary. That’s why it has been designated, along with China Camp State Park, as California’s newest and largest National Estuarine Research Reserve (NERR). The NERR … Read more

Out in the Tules

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The rounded hills by the Bay are the first thing that catch your eye at Coyote Hills Regional Park. But the brackish and freshwater marshes behind the hills have a charm of their own. Remnant of a once-extensive mix of tidal and freshwater wetlands that sustained a thriving Ohlone community for several thousand years, the marsh is now home to marsh wrens, muskrats, and one of the East Bay’s few remaining patches of tules.

State of the Estuary

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The past two decades have witnessed an explosion of scientific studies of the San Francisco Bay estuary, vastly improving our understanding of its natural history and ecology. Every two years the San Francisco Estuary Project brings together researchers, government officials, … Read more