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

American avocet and chick. Photo courtesy of Ingrid Taylar

Why Mud Matters

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English-born geomorphologist Jeremy Lowe is serious about wetlands and serious about mud, though he’s got a wicked sense of humor that shows he’s not taking himself too seriously. We caught up with the senior scientist from San Francisco-based environmental planning … Read more

Richardson Bay Herring Return, With an Entourage

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The North Bay played host to one of nature’s great spectacles this week, the annual Richardson Bay spawning of Pacific herring, an event eagerly anticipated by hungry animals and curious people — and an event all the more precious for how close it once came to disappearing.

A page from Matthew Bettelheim's children's book Sardis and Stamm

A Child’s Book of Habitat

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Wildlife biologist and environmental science writer (and former Bay Nature contributing editor) Matthew Bettelheim temporarily switched out of his academic mode to write a children’s book that is coming out this week. Sardis and Stamm takes young readers on a … Read more

The Rise of Cyanobacteria at Pinto Lake

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This past fall a cyanobacteria known as, Microcystis aeruginosa, spiked toxin levels above the state’s safe recreational exposure limit at Watsonville’s Pinto Lake. Scientists and the community have begun tackling the problem and hope that conclusions drawn at Pinto Lake will help remedy cyanbacterial blooms elsewhere.