One wet winter can shake up San Francisco Bay’s invasive species


12/15/2017 10:05 AM EST

Ciona robusta, one of San Francisco's most dominant invaders

For many Californians, last year’s wet winter triggered a case of whiplash. After five years of drought, rain from October 2016 to February 2017 broke more than a century of records. In San Francisco Bay, Smithsonian Environmental Research Center biologists discovered a hidden side effect: All that freshwater rain can turn the tables on some of the bay’s invasive species.

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This is an NSF News From the Field item.