Carbon pools and flux of global forest ecosystems
Technical Report
·
OSTI ID:5165043
Forest systems cover more than 4.1 x 10(9) hectares of the Earth's land area. Globally, forest vegetation and soils contain about 1146 petagrams of carbon, with approximately 37 percent of this carbon in low-latitude forests, 14 percent in mid-latitudes, and 49 percent in high latitudes. Over two-thirds of the carbon in forest ecosystems is contained in soils and associated peat deposits. In 1990, deforestation in the low latitudes emitted 1.6 + or - 0.4 petagrams of carbon per year, whereas forest area expansion and growth in mid- and high-latitude forest sequestered 0.7 + or - 0.2 petagrams of carbon per year, for a net flux to the atmosphere of 0.9 + or - 0.4 petagrams per year. Slowing deforestation, combined with an increase in forestation and other management measures to improve forest ecosystem productivity, could conserve or sequester significant quantities of carbon.
- Research Organization:
- Environmental Protection Agency, Corvallis, OR (United States). Environmental Research Lab.
- OSTI ID:
- 5165043
- Report Number(s):
- PB-94-146339/XAB; EPA--600/J-94/094
- Country of Publication:
- United States
- Language:
- English
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