Climate Already Altering U.S. Ecosystems and Biodiversity, Report Says


Climate change is causing plant and animal species across the U.S. to shift their geographic ranges and life events — from flowering to migration — are being transformed at a faster rate than observed even a few years ago, a new analysis by 60 scientists says.

According to the report, “Climate Change on Biodiversity, Ecosystems, and Ecosystem Services,” some terrestrial species are moving up in elevation at rates 2 to 3 times greater than previously believed, while the range shifts for some marine species have been even greater.

These rapid changes in ranges, distributions, and life cycles are forcing species to interact in ways that they never have before and could alter the timing and availability of natural resources critical to biodiversity and ecosystem health.

“These geographic range and timing changes are causing cascading effects that extend through ecosystems… creating mismatches between animals and their food sources,” said Nancy Grimm, a scientist at Arizona State University and lead author of the report.

Article appearing courtesy Yale Environment 360.

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Yale Environment 360 is an online magazine offering opinion, analysis, reporting and debate on global environmental issues. We feature original articles by scientists, journalists, environmentalists, academics, policy makers, and business people, as well as multimedia content and a daily digest of major environmental news. Yale Environment 360 is published by the Yale School of Forestry & Environmental Studies and Yale University. We are funded in part by the Gordon and Betty Moore Foundation and by the John D. and Catherine T. MacArthur Foundation. The opinions and views expressed in Yale Environment 360 are those of the authors and not of the Yale School of Forestry & Environmental Studies or of Yale University.

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