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Wildlife conservation payments to address habitat fragmentation and disease risks


We develop a bioeconomic model to gain insight into the challenges of Payments for Environmental Services (PES) as applied to protect endangered species given wildlife-livestock disease risks and habitat fragmentation. We show how greater connectivity of habitat creates an endogenous trade-off. More connectedness both (i) ups the chance that populations of endangered species will grow more rapidly, while (ii) simultaneously increasing the likelihood diseases will spread more quickly. We examine subsidies for habitat connectedness, livestock vaccination, and reduced movement of infected livestock. We find the cost-effective policy is to first subsidize habitat connectivity rather than vaccinations – this serves to increase habitat contiguousness. Once habitat is sufficiently connected, disease risks increase to a level to make disease-related subsidies worthwhile. Highly connected habitat requires nearly all the government budget be devoted to disease prevention and control. The result of the conservation payments is significantly increased wildlife abundance, increased livestock health and abundance, and increased development opportunities.

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Article provided by Cambridge University Press in its journal Environment and Development Economics.

Volume (Year): 13 (2008)
Issue (Month): 03 (June)
Pages: 415-439

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Handle: RePEc:cup:endeec:v:13:y:2008:i:03:p:415-439_00
Contact details of provider: Postal: Cambridge University Press, UPH, Shaftesbury Road, Cambridge CB2 8BS UK
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  1. Richard D. Horan & Christopher A. Wolf, 2005. "The Economics of Managing Infectious Wildlife Disease," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 87(3), pages 537-551.
  2. David Finnoff & Jason F. Shogren & Brian Leung & David Lodge, 2005. "Risk and Nonindigenous Species Management ," Review of Agricultural Economics, Agricultural and Applied Economics Association, vol. 27(3), pages 475-482.
  3. Shogren, Jason F. & Crocker, Thomas D., 1991. "Risk, Self-Protection, and Ex Ante Economic Value," Staff General Research Papers 334, Iowa State University, Department of Economics.
  4. Thomas Crocker & John Tschirhart, 1992. "Ecosystems, externalities, and economies," Environmental & Resource Economics, European Association of Environmental and Resource Economists, vol. 2(6), pages 551-567, November.
  5. Ehrlich, Isaac & Becker, Gary S, 1972. "Market Insurance, Self-Insurance, and Self-Protection," Journal of Political Economy, University of Chicago Press, vol. 80(4), pages 623-48, July-Aug..
  6. Lupi, Frank & Horan, Richard D., 2005. "Economic Incentives for Controlling Trade-Related Biological Invasions in the Great Lakes," Agricultural and Resource Economics Review, Northeastern Agricultural and Resource Economics Association, vol. 34(1), April.
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