Affiner votre recherche
Résultats 1-2 de 2
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.
Afficher plus [+] Moins [-]Direct and Indirect effects and the Long-term Risks of Air Pollution on Forest Ecosystems in Latin America
1993
Innes, J.L. (Swiss Federal Institute for Forest, Snow and Landscape Research, Birmensdorf (Switzerland))
The biggest problem facing the forest of Latin America is deforestation. Air pollution also constitutes a threat to some forests, and pollution level will increase in the future. Major problem associated with photochemical smogs have been documented in the mountains around Mexico City and Santiago in Chile. Acidic deposition has been identified in some areas and is known to be affecting forest reserves in rural situations.
Afficher plus [+] Moins [-]