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snails and barnacles on a rock on the seashore

Declines in shellfish species on rocky seashores match climate-driven changes

Mussels, barnacles, and snails are declining in the Gulf of Maine, according to a new paper by biologists Peter Petraitis of the School of Arts & Sciences and Steve Dudgeon of California State University, Northridge. Their 20-year dataset reveals that the populations’ steady dwindling matches up with the effects of climate change on the region.