Average amount of carbon stored in all terrestrial ecosystems in the conterminous United States in 2005 as estimated by a national assessment of carbon stocks and sequestration capacity performed by the U.S. Geological Survey.
Baseline and Projected Future Carbon Storage and Greenhouse-Gas Fluxes in the Great Plains Region of the United States, USGS Professional Paper 1787, Baseline and Projected Future Carbon Storage and Greenhouse-Gas Fluxes in Ecosystems of the Western United States, USGS Professional Paper 1797 and Baseline and Projected Future Carbon Storage and Greenhouse-Gas Fluxes in Ecosystems of the Eastern United States, Professional Paper 1804