04 Aug '11, 8pm

Rising Carbon Dioxide Could Reverse Drying Effects of Higher Temperatures On Rangelands: Rising carbon dioxide

Rising Carbon Dioxide Could Reverse Drying Effects of Higher Temperatures On Rangelands: Rising carbon dioxide

RELATED ARTICLES New U.S. Test: CO2 Could Make Grasslands 'Unusable' August 30, 2007 10:26 AM Earth Recovered from Prehistoric Global Warming Faster Than Previously Thought April 21, 2011 05:11 PM Soil Microbes Accelerate Global Warming July 14, 2011 08:55 AM Water Vapor May Be Biggest Contributor to Higher Global Temperatures, Researcher Says November 10, 2005 12:00 AM Rising carbon dioxide (CO2) levels can reverse the drying effects of predicted higher temperatures on semi-arid rangelands, according to a study published in the journal Nature by a team of U.S. Department of Agriculture (USDA) and university scientists. ADVERTISEMENT Warmer temperatures increase water loss to the atmosphere, leading to drier soils. In contrast, higher CO2 levels cause leaf stomatal pores to partly close, lessening the amount of water vapor that escapes and the amount of water plants draw f...

Full article: http://www.enn.com/climate/article/43027

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