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Frontier areas in Latin America have been characterized by land speculation, abandonment and exploitation. This paper analyzes a frontier cattle ranching area in the savanna where intensification has occurred in spite of land speculation. A whole farm livestock production model is used to quantif...


Smith, J.Cadavid Herrera, JVRincón Castillo, A.Vera, Raúl R.[Land speculation and intensification at the frontier: a seeming paradox in the Colombian savanna]Land speculation and intensification at the frontier: a seeming paradox in the Colombian savanna

In this paper, we present an intensification model based on the intensity of exploitation and use of forests and forest lands as a relevant framework for analysing the appearance, dynamics, and evolution of different types of secondary forests. The systematic driving forces responsible for the di...


Chokkalingam, U.Smith, J.Jong, W. deSabogal, C.[A conceptual framework for the assessment of tropical secondary forest dynamics and sustainable development potential in Asia]A conceptual framework for the assessment of tropical secondary forest dynamics and sustainable development potential in Asia

While slash-and burn farmers convert forest to agriculture, they also regenerate significant areas of secondary fallow forests on their farms. Under what conditions does secondary forest cover persist on slash-and-burn farms?. Survey data from Para, Brazil show that secondary forests accupy 20% o...


Smith, J.Ferreira, S.Kop, P. van deFerreira, C.A.P.Sabogal, C.[The persistence of secondary forests on colonist farms in the Brazilian Amazon]The persistence of secondary forests on colonist farms in the Brazilian Amazon

There is an ongoing debate on what constitutes sustainable intensification of agriculture (SIA). In this paper, we propose that a paradigm for sustainable intensification can be defined and translated into an operational framework for agricultural development. We argue that this paradigm must now...


Rockström, JohanWilliams, J.Daily, G.Noble, A.D.Matthews, NathanielGordon, L.Wetterstrand, H.DeClerck, Fabrice A.J.Shah, M.Steduto, P.Fraiture, Charlotte deHatibu, N.Unver, O.Bird, JeremySibanda, Lindiwe MajeleSmith, J.[Sustainable intensification of agriculture for human prosperity and global sustainability]Sustainable intensification of agriculture for human prosperity and global sustainability

There is an ongoing debate on what constitutes sustainable intensification of agriculture (SIA). In this paper, we propose that a paradigm for sustainable intensification can be defined and translated into an operational framework for agricultural development. We argue that this paradigm must now...


Rockström, JohanWilliams, J.Daily, G.Noble, A.D.Matthews, NathanielGordon, L.Wetterstrand, H.DeClerck, Fabrice A.J.Shah, M.Steduto, P.Fraiture, Charlotte deHatibu, N.Unver, O.Bird, J.Sibanda, Lindiwe MajeleSmith, J.[Sustainable intensification of agriculture for human prosperity and global sustainability]Sustainable intensification of agriculture for human prosperity and global sustainability

The northern Guinea savanna in Africa (NGS) with a season length of 151–180 days and an altitude below 800 m has long been recognized as highly suitable for crop production and animal husbandry. At present, land use intensity and farming as well as livestock systems vary widely across the zone. S...


Weber, G.Smith, J.Manyong, V.[System dynamics and the defintion of research domains for the northern Guinea Savanna of West Africa]System dynamics and the defintion of research domains for the northern Guinea Savanna of West Africa

This special issue brings together 15 papers entirely dedicated to secondary forests in tropical Asia: 1. Tropical secondary forests in Asia: introduction and synthesis. 2. A conceptual framework for the assessment of tropical secondary forest dynamics and sustainable development potential in Asi...


Chokkalingam, U.Jong, W. deSmith, J.Sabogal, C.[Secondary forests in Asia: their diversity, importance, and role in future environmental management]Secondary forests in Asia: their diversity, importance, and role in future environmental management

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