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As the problems of impact assessement are rather intractable, a fairly simple dual approach is proposed. First the major components of environmental impact of current agricultural production systems in Africa (i.e. impact of cropping, livestock keeping, fuelwood and timber extraction and burning)...


Leeuw, P.N. de[Impact potentiel sur l'environnement]Impact potentiel sur l'environnement

As the problems of impact assessement are rather intractable, a fairly simple dual approach is proposed. First the major components of environmental impact of current agricultural production systems in Africa (i.e. impact of cropping, livestock keeping, fuelwood and timber extraction and burning)...


Leeuw, P.N. de[Potential environmental impacts]Potential environmental impacts
Autor: German, L.

Local ecological knowledge has been subject to a great deal of debate in recent decades. Early strands of this literature could be easily classified into two camps – one which purports the adaptive logic and scientific validity of local knowledge, and the other which seeks to expose its flaws by ...


German, L.[Local knowledge and scientific perceptions: questions of validity in environmental knowledge]Local knowledge and scientific perceptions: questions of validity in environmental knowledge
Autor: Snook, L.K.

Big-leaf mahogany was studied on nine mixed-species stands that became established naturally between 2 and 75 years ago after catastrophic disturbances (hurricane blowdown, fire, or bulldozer clearing). More than 50% of adult big-leaf mahogany trees had survived a severe hurricane, leaving 2.8 se...


Snook, L.K.[Regeneration, growth and sustainability of mahogany in Mexico's Yucatan forests]Regeneration, growth and sustainability of mahogany in Mexico's Yucatan forests

A case study from the central extensive peatland sections of the Middle Mahakam Area, East Kalimantan, is used to depic how local use of fire for agriculture extraction activities could be a major factor driving peatland transformation. Large-scale fires that occured in the area in 1982/83 and 19...


Chokkalingam, U.Tacconi, L.Ruchiat, Y.[Fire use, peatland transformation and local livelihoods: a case of positive reinforcement]Fire use, peatland transformation and local livelihoods: a case of positive reinforcement

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