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High Carbon Dioxide Levels Spur Southern Pines To Grow More Needles

Date:
August 16, 2005
Source:
Duke University
Summary:
A Duke University study has found that maturing stands of pines exposed to the higher levels of carbon dioxide expected by mid-century produce more needles than those absorbing today's levels of the gas, even under drought conditions. However, the study also found that lack of soil nutrients may impose limitations in many forests.

Heather McCarthy with one of the baskets used to collect pine needles for her research.
Credit: Photo Jim Wallace

MONTREAL -- A Duke University study has found that maturing stands of pines exposed to the higher levels of carbon dioxide expected by mid-century produce more needles than those absorbing today's levels of the gas, even under drought conditions. However, the study also found that lack of soil nutrients may impose limitations in many forests.


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The above story is based on materials provided by Duke University. Note: Materials may be edited for content and length.


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Duke University. "High Carbon Dioxide Levels Spur Southern Pines To Grow More Needles." ScienceDaily. ScienceDaily, 16 August 2005. <www.sciencedaily.com/releases/2005/08/050811084912.htm>.
Duke University. (2005, August 16). High Carbon Dioxide Levels Spur Southern Pines To Grow More Needles. ScienceDaily. Retrieved April 20, 2014 from www.sciencedaily.com/releases/2005/08/050811084912.htm
Duke University. "High Carbon Dioxide Levels Spur Southern Pines To Grow More Needles." ScienceDaily. www.sciencedaily.com/releases/2005/08/050811084912.htm (accessed April 20, 2014).

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