Four contrasting varieties of cassava (Manihot esculenta Crantz) were grown for ten months over two consecutive seasons in hillside Colombia with or without nitrogen, phosphorus and potassium fertilization. Sequential harvests were every two months. The two varieties well adapted to acid soils (C...
Pellet, D
,
El-Sharkawy, Mabrouk A.
,
[Cassava varietal response to fertilization: Growth dynamics and implications for cropping sustainability]
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Cassava varietal response to fertilization: Growth dynamics and implications for cropping sustainability
Ecoregional research has the potential to help address some of the huge challenges facing agriculture in developing countries by developing technologies that work under different agro-ecological conditions, and the processes by which these technologies can be adapted to work in other areas with s...
Douthwaite, Boru
,
Baker, Derek
,
Weise, S.F.
,
Gockowski, J.
,
Manyong, Victor M.
,
Keatinge, J.D.H.
,
[Ecoregional research in Africa : Learning lessons from IITA´s benchmark area approach]
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Ecoregional research in Africa : Learning lessons from IITA´s benchmark area approach
Bushmeat is the main source of protein and the most important source of income for rural people in the Congo Basin, but intensive hunting of bushmeat species is also a major concern for conservationists. Although spatial heterogeneity in hunting effort and in prey populations at the landscape lev...
Vliet, N. van
,
Milner-Gulland, E.J.
,
Bousquet, Francois
,
Saqalli, M.
,
Nasi, Robert
,
[Effect of small-scale heterogeneity of prey and hunter distributions on the sustainability of bushmeat hunting]
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Effect of small-scale heterogeneity of prey and hunter distributions on the sustainability of bushmeat hunting
Sustainable forest management (SFM) has become one of major environmental debates for the international community. This is because of the multifunctional importance of forest resources for the entire planet, namely ecological, socio-economic, cultural and climatic balance. General awareness of th...
Assembe-Mvondo, S.
,
[The customary law nature of sustainable forest management states practice in Central America and European Union]
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The customary law nature of sustainable forest management states practice in Central America and European Union
China’s growing presence in Africa’s extractive industries has been the subject of much debate in recent years, reflecting concerns about both environmental sustainability and the governance of resource wealth for long-term benefit. In Cameroon, since 2000 the largest timber concession in the cou...
Cerutti, P.O.
,
Assembe-Mvondo, S.
,
German, L.
,
Putzel, L.
,
[Is China unique?: exploring the behaviour of Chinese and European firms in the Cameroonian logging sector]
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Is China unique?: exploring the behaviour of Chinese and European firms in the Cameroonian logging sector
Simple Criteria and Indicators (C&I – to be read as C and Is) can be used to help forest people express their view on sustainability. Three main findings characterize local perceptions: a) The natural and social worlds are intertwined, confirming environmental services as elements of well-being; ...
Tiani, A.M.
,
Charancle, J.M. B.
,
[Simple criteria and indicators to uncover and negotiate local perceptions on sustainability]
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Simple criteria and indicators to uncover and negotiate local perceptions on sustainability
This paper describe the use of multiple criteria decision tools for assessing criteria and indicators designed to evaluate sustainable forest management. Three techniques called ranking, rating, and pairwise comparisons are described and used within the framework of a generic set of criteria and ...
Mendoza, G.A.
,
Prabhu, R.
,
[Multiple criteria decision making approaches to assessing forest sustainability using criteria and indicators: a case study]
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Multiple criteria decision making approaches to assessing forest sustainability using criteria and indicators: a case study
In many situations commercialization of forest products is based on common pool resources; often this leads to resource depletion. This paper investigates the potential of using fiscal instruments for institutional change to improve resource management where natural products are being marketed fr...
Standa-Gunda, W.
,
Bond, I.
,
Campbell, Bruce M.
,
Petheram, L.
,
[Exploring woodcarving markets to determine the potential of fiscal instruments for improving woodland management: the case of woodcarving in Southern Zimbabwe]
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Exploring woodcarving markets to determine the potential of fiscal instruments for improving woodland management: the case of woodcarving in Southern Zimbabwe
Attempts to reconcile economic development with environmental conservation in a forest area in East Kalimantan, Indonesia, are reviewed for the district of Malinau, East Kalimantan, Indonesia, an area of 42,000 km2 that is still largely covered in rainforest. The history of the region is describe...
Boedhihartono, Agni K.
,
Gunarso, P.
,
Levang, P.
,
Sayer, Jeffrey A.
,
[The principles of conservation and development: do they apply in Malinau?]
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The principles of conservation and development: do they apply in Malinau?