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OKIsItJustMe

(19,938 posts)
Tue Dec 13, 2016, 10:07 PM Dec 2016

(2011) Mass Oyster Die-Off in S.F. Bay Related to Atmospheric Rivers

https://www.ucdavis.edu/news/mass-oyster-die-sf-bay-related-atmospheric-rivers
[font face=Serif][font size=5]Mass Oyster Die-Off in S.F. Bay Related to Atmospheric Rivers[/font]
[font size=4]Study First to Show Biological Impact of Atmospheric Rivers[/font]

By Kat Kerlin on December 13, 2016

[font size=3]Atmospheric rivers contributed to a mass die-off of wild Olympia oysters in north San Francisco Bay in 2011, according to a study led by the University of California, Davis and the San Francisco Bay National Estuarine Research Reserve, or NERR.

The study, published Dec. 14 in the journal Proceedings of the Royal Society B, is the first to document biological impacts of atmospheric rivers, which are predicted to increase in frequency and intensity under future climate change.

“This shows us one way in which extreme events might affect coastal ecosystems,” said lead author Brian Cheng, a UC Davis doctoral candidate and NERR graduate research fellow at the time of the study. “Oysters can help buffer shorelines and enhance biodiversity, but this is one facet of climate change that might be a hurdle for oyster restoration efforts in San Francisco Bay.”



[font size=4]Mass mortality at China Camp[/font]

Since 2010, Cheng and his colleagues had been monitoring one of the most abundant populations of Olympia oysters at China Camp State Park in northern San Francisco Bay. Up to 3,000 oysters per square meter lived at the park, compared to about 100 oysters per square meter at the next most populated site. Following the atmospheric river event, nearly all of the oysters at China Camp died.

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