Older trees may have less capacity for taking in carbon dioxide
Trees in the Amazon tropical forests are old. Really old, in fact, which comes as a surprise to a team of American and Brazilian researchers studying tree growth in the world’s largest tropical region.
Using radiocarbon dating methods, the team, which includes UC Irvine’s Susan Trumbore, found that up to half of all trees greater than 10 centimeters in diameter are more than 300 years old. Some of the trees, Trumbore said, are as much as 750 to 1,000 years old. Study results appear in the online early edition of the Proceedings of the National Academy of Sciences.
Tom Vasich | EurekAlert!
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