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Nature 436, 469-470 (28 July 2005) | doi:10.1038/436469a; Published online 27 July 2005

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Carbon cycle:  The age of the Amazon's breath

Peter A. Raymond1

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The inorganic carbon carried in rivers of the Amazon basin seems to originate largely from the decomposition of young plant material — a finding that improves our understanding of the role of rivers in the carbon cycle.

Increases in atmospheric carbon dioxide from the burning of fossil fuels have unknown effects on the global climate and economy. Scientists aim to understand more about these effects by studying the mechanisms that control the exchange of carbon between land, the atmosphere and the oceans.

  1. Peter A. Raymond is in the School of Forestry and Environmental Studies, Yale University, 205 Prospect Street, New Haven, Connecticut 06511, USA.
    Email: peter.raymond@yale.edu

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