Reindeer grazing may counteract effects of climate warming on tundra carbon sink

March 21, 2014 • Philip BurgessBlog, Reindeer

Local reindeer grazing history is an important determinant in the response of an ecosystem’s carbon sink to climate warming, say researchers. The significance of reindeer grazing history to tundra carbon balances has not been previously studied. The present results may modify climate models that predict the effects of global warming on global carbon cycles. The study shows that it is critical to know the grazing history before the responses of tundra carbon balances to climate warming can be understood. Different tundra systems possess highly varying grazing histories as a result of past and present reindeer management practices.

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