细化搜索
结果 1-2 的 2
Direct and Indirect Effects and the Long-term Risks of Climate Change on Forests: Carbon Balances in United Kingdom Forests
1993
Jarvis, P.G. (University of Edinburgh, Scotland (United Kingdom). Institute of Ecology and Resource Management)
The area of productive woodland in the UK has been increasing steadily since 1950, generally at about 20-30 thousand hectares per year. The current forest estate covers 2,1 million hectares, the annual growth in the total stored carbon in wood is 2,0 million tonnes. The annual UK output of carbon dioxide from the burning of fossil fuels is 162 million tonnes.
显示更多 [+] 显示较少 [-]Direct and Indirect Effects and the Long-term Risks of Climate Change on Forests: Tropical Deforestation and Carbon Dioxide
1993
Jarvis, P.G. (University of Edinburgh, Scotland (United Kingdom). Institute of Ecology and Resource Management)
Destruction of forests leads to the release of carbon dioxide stored in the wood and also usually results in major releases of carbon dioxide stored in soil. Annual releases of carbon dioxide from destruction of tropical forests was estimated at about 1650 million tonnes per year.
显示更多 [+] 显示较少 [-]