June 18, 2008

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Nitrogen is essential to all life on Earth and the processes by which it cycles through the environment may determine how ecosystems respond to global warming. But certain aspects of the nitrogen cycle in forests have puzzled scientists, defying in a sense, the laws of supply and demand. Now scientists from the Carnegie Institution have explained the paradox by recognizing the role of two other factors: temperature and the abundance of another key element, phosphorous.Full Story

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Carnegie Institution for Science

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