Contact: Barbara K. Kennedy
science@psu.edu
814-863-4682
Penn State
Caption: Research by Post and Pederson suggests that grazing by caribou and by muskoxen, such as the one in this photograph, may reduce the carbon-mitigating benefit of plants in the Arctic.
Credit: Eric Post, Penn State University
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Related news release: Future impact of global warming is worse when grazing animals are considered, scientists suggest