Friday, November 26, 2021
Home Climate411 Claim: Tropical species are moving northward in U.S. as winters warm

Claim: Tropical species are moving northward in U.S. as winters warm

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“Quite a few mosquito species are expanding northward, as well as a lot of forestry pests: bark beetles, the southern mountain pine beetle,” said Caroline Williams, associate professor of integrative biology at the University of California, Berkeley, and a co-author of the paper. “In our study, we were really focusing on that boundary in the U.S. where we get that quick tropical-temperate transition. Changes in winter conditions are one of the major, if not the major, drivers of shifting distributions.”

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