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February 6 2014

Tree roots in the mountains 'acted like a thermostat' for millions of years


Tree roots in the mountains may play an important role in controlling long-term global temperatures. Researchers have found that temperatures affect the thickness of the leaf litter and organic soil layers, as well as the rate at which the tree roots grow. When the roots reach the rock below the soil, the rock disintegrates, releasing carbon dioxide. Researchers say this process is "acting like the Earth's thermostat.".

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