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IMAGE: The intermountain bunchgrass prairie at the National Bison Range, Montana, USA at one of the study areas.
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Credit: Gary Belovsky
Over 40 years of monitoring, an endangered bunchgrass prairie became hotter, drier and more susceptible to fire annually but dramatic seasonal changes (not annual climate trends) seem to be driving the biggest changes in plant production, composition, and summer senescence. Gary Belovsky and Jennifer Slade of The University of Notre Dame, Indiana, present these findings in the open-access journal
PLOS ONE on December 23.
Intermountain bunchgrass prairie is one of North America s most endangered ecosystems, now covering less than 1 percent of the area it once did. Over the past century, bunchgrass prairies have become warmer and drier, and human-driven climate change is expected to continue that trend, with potential impacts on bunchgrass ecosystems. However, bunchgrass is often overlooked in stu ....

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