Descubre y comparte nuestro conocimiento público

Se han encontrado 175 recursos

Resultados de búsqueda

United Nations Environment Programme[Environmental Guidelines for Watershed Development - UNEP Environmental Management Guidelines, No. 3]Environmental Guidelines for Watershed Development - UNEP Environmental Management Guidelines, No. 3

United Nations Environment Programme[Desertification Control Bulletin Number 29, 1996: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation]Desertification Control Bulletin Number 29, 1996: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation

United Nations Environment Programme[Desertification Control Bulletin: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation Number 25]Desertification Control Bulletin: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation Number 25

United Nations Environment ProgrammeInternational Sustainability UnitInternational Coral Reef Initiative[The Coral Reef Economy: The Business Case for Investment in the Protection, Preservation and Enhancement of Coral Reef Health]The Coral Reef Economy: The Business Case for Investment in the Protection, Preservation and Enhancement of Coral Reef Health

Several countries in the East and South Asian region, are embarking upon major programs for the restoration of degraded forest ecosystems. This paper argues that many schemes proposed in the name of ecological restoration have failed to yield the benefits expected of them. There has often been a ...


Sayer, Jeffrey A.Chokkalingam, U.Poulsen, J.[The restoration of forest biodiversity and ecological values]The restoration of forest biodiversity and ecological values

This paper analyzes the growing role of municipal governments in Bolivia and Nicaragua in forest-related issues on the basis of some thirty case studies. It first provides background information on forest issues and legislation concerning municipal involvement in forest issues in the two countrie...


Kaimowitz, D.Pacheco, P.Mendoza, R.Barahona, T.[Municipal governments and forest management in Bolivia and Nicaragua]Municipal governments and forest management in Bolivia and Nicaragua

Since 1975, agricultural land tenure arrangements in Ethiopia have changed from a feudal system, to a socialist model with semi-collectivist villages and, from 1991, to a small-holder system based on private (freehold) ownershiBy surveying a random sample of 94 households in the Ethiopian highlan...


Omiti, J.M.Parton, K.A.Sinden, J.A.Ehui, Simeon K.[Monitoring changes in land-use practices following agrarian de-collectivisation in Ethiopia]Monitoring changes in land-use practices following agrarian de-collectivisation in Ethiopia

6 native forest species were tested in two assays of initial adaptability at 25 and 7 months old. The experimental sites were situated in two degraded and abandoned sectors of intensive agricultural and cattle use in the tropical area of Pucallpa, capital of Ucayali. We measured and analyzed the ...


The humid tropics are exposed to an unprecedented modernization of agriculture involving rapid and highly-mixed land-use changes with contrasted environmental impacts. Afforestation is often mentioned as an unambiguous solution for restoring ecosystem services and enhancing biodiversity. One cons...


Lacombe, GuillaumeRibolzi, OlivierRouw, Anneke dePierret, AlainLatsachak, K.Silvera, N.Pham Dinh, R.Orange, D.Janeau, Jean L.Soulileuth, B.Robain, H.Taccoen, A.Sengphaathith, P.Mouche, E.Sengtaheuanghoung, OlothTran Duc, T.Valentin, Christian[Afforestation by natural regeneration or by tree planting: examples of opposite hydrological impacts evidenced by long-term field monitoring in the humid tropics]Afforestation by natural regeneration or by tree planting: examples of opposite hydrological impacts evidenced by long-term field monitoring in the humid tropics
Florece, L.M.Espaldon, M.V.Galang, C.[Fire management, fire tolerance and biodiversity echancement of grassland ecosystem: the use of Gliricidia sepium stem cuttings as a reforestation species]Fire management, fire tolerance and biodiversity echancement of grassland ecosystem: the use of Gliricidia sepium stem cuttings as a reforestation species

Selecciona los documentos para visualizarlos

Nombre del archivo Ver recurso