Carbon Budget of the Southeastern U.S. Biota: Analysis of Historical Change in Trend from Source to Sink

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Science  17 Oct 1980:
Vol. 210, Issue 4467, pp. 321-323
DOI: 10.1126/science.210.4467.321


Documentation of settlement patterns and deforestation in the southeastern United States allows evaluation of regional carbon dynamics since A.D. 1750. From 1750 to 1950, the Southeast was a net source for carbon at an average rate of 0.13 gigaton per year. Only in the past 20 to 30 years has increased productivity of commercial forests resulted in a sink for atmospheric carbon dioxide of 0.07 gigaton per year.

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