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Microbes contribute less to climate warming
Date:4/27/2010

l back to pre-warming levels, a pattern seen in field experiments. But if microbes manage to adapt to the warmthfor instance through increases in enzyme activityemissions could intensify.

"When we developed a model based on the actual biology of soil microbes, we found that soil carbon may not be lost to the atmosphere as the climate warms," said Matthew Wallenstein, of the Natural Resource Ecology Laboratory at Colorado State University. "Conventional ecosystem models that didn't include enzymes did not make the same predictions."

Mark Bradford, assistant professor of terrestrial ecosystem ecology at Yale, said there is intense debate in the scientific community over whether the loss of soil carbon will contribute to global warming. "The challenge we have in predicting this is that the microbial processes causing this loss are poorly understood," he said. "More research in this area will help reduce uncertainties in climate prediction."


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Contact: David DeFusco
david.defusco@yale.edu
203-436-4842
Yale University
Source:Eurekalert

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