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The Vale of Tesla

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Nestled in the hills southeast of Livermore, at the border between the San Joaquin Valley and the Bay Area, the old Tesla Mine townsite in Corral Hollow sustains a vibrant mix of inner south coast range plants and animals along with the traces of a rich human history. But a state proposal to create an off-road vehicle park in the hollow threatens to reopen old scars on this tranquil landscape.

Be Careful with Fiddlenecks

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In his article on “The Changing Nature of Joaquin Miller Park” author Rex Burress wrote that the fiddle-heads of young bracken ferns are edible “either cooked or raw.” However, before you head out to pick ferns for your soup pot, … Read more

Resources about Salmon and Other Anadromous Fish

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Anadromous Fish Symposium The Center for Ecosystem Mangement and Restoration (CEMAR) and the Oakland Museum are sponsoring a symposium on November 14-15 on “Salmon and Steelhead in Your Creek: Restoration and Management of Anadromous Fish in Bay Area Watersheds.” This … Read more

Mastadons in Our Midst

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The Blackhawk Quarry in Danville points to a time, nine million years ago, when the Bay Area was inhabited by elephant-like browsers, herds of three-toed horses, packs of bone-crunching dogs, and an eight-foot-long-sabertooth salmonid, Where did they all go?

Shadows in Flight

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Rarely seen and, until recently, poorly understood, bats are a significant component of the Bay Area’s natural environment. Now, researchers are filling in the gaps by studying several of the area’s most at-risk species.

Taxonomy 101

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Over 200 years ago, Swedish naturalist Karl von Linne (or, as he Latinized the name, Carolus Linneaus) devised a system for classifying all living things based on anatomical structures. Although Linneaus lived before Darwin, his method presaged later concepts of … Read more

Goat Rock State Beach

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The Pacific Coast north of San Francisco is justly renowned for its scenic beauty. It is also geology writ large, where evidence of powerful forces still at work on our region is exposed at many places. Goat Rock State Beach … Read more

Old Hills, New Economies

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The vast expanse of rugged country east of high-tech Santa Clara Valley, crowned by the Bay Area’s highest peak, has been a refuge for wild species—humans included—for a very long time.