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Extensification of agriculture and deforestation: Empirical evidence from Sudan

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  • Elnagheeb, Abdelmoneim H.
  • Bromley, Daniel W.

Abstract

Extensification of agriculture is one of the major factors contributing to the destruction of forests in Africa. In Sudan, such horizontal expansion comes at the expense of land devoted to trees and other vegetation, thereby inducing conditions that are inimical to sustainable agricultural production. Different factors have contributed to extensification. Although high economic returns from crop (mainly sorghum) production was an important factor encouraging extensification of rainfed mechanized farming, other factors outside agriculture have also contributed to that expansion. This paper uses data from eastern Sudan and an acreage response model, to identify the most important factors influencing acreage expansion. Different measures and forms of risk were used in the acreage response model. The paper shows how policies in the energy sector can indirectly influence acreage expansion in the agricultural sector.
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  • Elnagheeb, Abdelmoneim H. & Bromley, Daniel W., 1994. "Extensification of agriculture and deforestation: Empirical evidence from Sudan," Agricultural Economics, Blackwell, vol. 10(2), pages 193-200, April.
  • Handle: RePEc:eee:agecon:v:10:y:1994:i:2:p:193-200
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    1. Davidson, Russell & MacKinnon, James G, 1981. "Several Tests for Model Specification in the Presence of Alternative Hypotheses," Econometrica, Econometric Society, vol. 49(3), pages 781-793, May.
    2. Winter, John R. & Whittaker, James K., 1979. "Estimation Of Wheat Acreage Response Functions For The Northwest," Western Journal of Agricultural Economics, Western Agricultural Economics Association, vol. 4(02), December.
    3. Adesina, Akinwumi A. & Brorsen, B. Wade, 1987. "A risk responsive acreage response function for millet in Niger," Agricultural Economics, Blackwell, vol. 1(3), pages 229-239, October.
    4. Abdelmoneim Elnagheeb & Daniel Bromley, 1992. "Rainfed mechanized farming and deforestation in central Sudan," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 2(4), pages 359-371, July.
    5. W. Robert Wilson & Louise M. Arthur & James K. Whittaker, 1980. "An attempt to account for risk in an Aggregate Wheat Acreage Response Model," Canadian Journal of Agricultural Economics/Revue canadienne d'agroeconomie, Canadian Agricultural Economics Society/Societe canadienne d'agroeconomie, vol. 28(2), pages 63-71, July.
    6. Ryan, Timothy J., 1977. "Supply Response To Risk: The Case Of U.S. Pinto Beans," Western Journal of Agricultural Economics, Western Agricultural Economics Association, vol. 2, December.
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    Cited by:

    1. Barrett, Christopher B., 1999. "Stochastic food prices and slash-and-burn agriculture," Environment and Development Economics, Cambridge University Press, vol. 4(02), pages 161-176, May.
    2. Angelsen, Arild, 1995. "Shifting cultivation and "deforestation": A study from Indonesia," World Development, Elsevier, vol. 23(10), pages 1713-1729, October.
    3. Robert Innes & George Frisvold, 2009. "The Economics of Endangered Species," Annual Review of Resource Economics, Annual Reviews, vol. 1(1), pages 485-512, September.
    4. Daniel Bromley & Jeremy Foltz, 2011. "Sustainability under siege: Transport costs and corruption on West Africa's trade corridors," Natural Resources Forum, Blackwell Publishing, vol. 35, pages 32-48, February.
    5. Shalini Gupta, 2016. "Forest sustainability and development in hills of Uttarakhand, India: Can they move together?," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 18(1), pages 279-294, February.
    6. Tachibana, Towa & Nguyen, Trung M. & Otsuka, Keijiro, 2001. "Agricultural Intensification versus Extensification: A Case Study of Deforestation in the Northern-Hill Region of Vietnam," Journal of Environmental Economics and Management, Elsevier, vol. 41(1), pages 44-69, January.
    7. Angelsen, Arild, 1999. "Agricultural expansion and deforestation: modelling the impact of population, market forces and property rights," Journal of Development Economics, Elsevier, vol. 58(1), pages 185-218, February.
    8. Hassan, Rashid & Hertzler, Greg & Benhin, James K.A., 2009. "Depletion of forest resources in Sudan: Intervention options for optimal control," Energy Policy, Elsevier, vol. 37(4), pages 1195-1203, April.
    9. Angelsen, Arild & Kaimowitz, David, 1999. "Rethinking the Causes of Deforestation: Lessons from Economic Models," World Bank Research Observer, World Bank Group, vol. 14(1), pages 73-98, February.
    10. Sankhayan, Prem L. & Hofstad, Ole, 2001. "A village-level economic model of land clearing, grazing, and wood harvesting for sub-Saharan Africa: with a case study in southern Senegal," Ecological Economics, Elsevier, vol. 38(3), pages 423-440, September.

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