Carbon fluxes resulting from U.S. private timberland management |
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Authors: | Andrew J Plantinga Richard A Birdsey |
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Institution: | (1) Department of Forestry and Resource Management, University of California, 94720 Berkeley, CA, USA;(2) USDA Forest Service, Northeastern Forest Experiment Station, 19087 Radnor, PA, USA |
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Abstract: | A carbon budget model was developed to examine the effects of forest management practices on carbon storage in U.S. private timberlands. The model explicitly incorporates the demand for wood products and its impact on harvesting and other management decisions. Forest carbon is divided into four components: carbon stored in trees, soils, forest litter, and understory vegetation. Changes in the forest carbon inventory result from tree growth and management activities, in particular harvesting. Harvesting of timber for wood products is determined by demand and supply forces. The model then tracks carbon in timber removals through primary and secondary processing and disposal stages. Harvesting also has effects on carbon in soils, forest litter, and understory vegetation. A base-run scenario projects increases in carbon storage in U.S. private timberlands by 2040; however, this increase is offset by carbon emissions resulting from harvesting. |
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