Optimal long-term stocking rates for livestock grazing in a Sahelian rangeland
AbstractEconomic modelling of semi-arid rangelands has received much attention in recent literature. A major outstanding issue is how stochastic rainfall and the feedback effect of heavy grazing pressures on vegetation productivity can be accounted for in these models. This paper presents a model for calculating the optimal livestock stocking rate in a semi-arid rangeland that accounts for stochastic rainfall, the ecological feedback effect and variable prices. The model is developed for rangelands dominated by annual rather than perennial grasses, such as the African Sahel. The feedback effect is modeled on the basis of an ecological study, conducted in northern Senegal, that analyzes the impact of different grazing pressures on vegetation productivity. The paper presents both a general model and an application of the model to the Ferlo, a semi-arid rangeland in northern Senegal.
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Bibliographic InfoArticle provided by African Association of Agricultural Economists in its journal African Journal of Agricultural and Resource Economics.
Volume (Year): 02 (2008)
Issue (Month): 2 (September)
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More information through EDIRC
Semi-arid rangelands; optimal stocking rate; modeling rangeland ecology; Sahel; Livestock Production/Industries; Q24; D24;
Find related papers by JEL classification:
- Q24 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Renewable Resources and Conservation - - - Land
- D24 - Microeconomics - - Production and Organizations - - - Production; Cost; Capital; Capital, Total Factor, and Multifactor Productivity; Capacity
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- Birgit Müller & Martin Quaas & Karin Frank & Stefan Baumgärtner, 2009.
"Pitfalls and potential of institutional change: Rain-index insurance and the sustainability of rangeland management,"
Working Paper Series in Economics
149, University of Lüneburg, Institute of Economics.
- Müller, Birgit & Quaas, Martin F. & Frank, Karin & Baumgärtner, Stefan, 2011. "Pitfalls and potential of institutional change: Rain-index insurance and the sustainability of rangeland management," Ecological Economics, Elsevier, vol. 70(11), pages 2137-2144, September.
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