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On farm conservation of rice biodiversity in Nepal: a simultaneous estimation approach

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  • Gauchan, Devendra
  • Van Dusen, M. E.
  • Smale, Melinda

Abstract

"This paper presents an empirical case study about farmer management of rice genetic resources in two communities of Nepal, drawing on interdisciplinary, participatory research that involved farmers, rice geneticists, and social scientists. The decision-making process of farm households is modeled and estimated in order to provide information for the design of community-based conservation programs. A bivariate model with sample selection treats the simultaneous process of whether farmers decide to plant landraces or modern varieties, and whether the landraces they choose to plant constitute genetic diversity of interest for future crop improvement. Findings show that the two landrace choices are affected by different social and economic factors. The estimation procedure demonstrates that in certain cases, however, the decision processes are interrelated. Policies to promote the conservation of local rice diversity will need to take both processes into account. Fitted equations are then used to compare the likelihood that households targeted for conservation according to one set of conservation criteria also meet other conservation criteria. Households most likely to plant landraces identified as important for crop improvement also grow richer, more spatially diverse rice varieties. In these communities, few policy trade-offs would result from employing one set of criteria instead of the other." Authors' Abstract

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Bibliographic Info

Paper provided by International Food Policy Research Institute (IFPRI) in its series EPTD discussion papers with number 144.

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Date of creation: 2005
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Handle: RePEc:fpr:eptddp:144

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Keywords: Landraces; Crop diversity;

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  1. Brock,W. & Xepapadeas,A., 2001. "Valuing biodiversity from an economic perspective : a unified economic, ecological and genetic approach," Working papers, Wisconsin Madison - Social Systems 17, Wisconsin Madison - Social Systems.
  2. Brush, Stephen B. & Taylor, J. Edward & Bellon, Mauricio R., 1992. "Technology adoption and biological diversity in Andean potato agriculture," Journal of Development Economics, Elsevier, Elsevier, vol. 39(2), pages 365-387, October.
  3. Just, Richard E & Zilberman, David, 1983. "Stochastic Structure, Farm Size and Technology Adoption in Developing Agriculture," Oxford Economic Papers, Oxford University Press, vol. 35(2), pages 307-28, July.
  4. Bellon, Mauricio R & Taylor, J Edward, 1993. ""Folk" Soil Taxonomy and the Partial Adoption of New Seed Varieties," Economic Development and Cultural Change, University of Chicago Press, vol. 41(4), pages 763-86, July.
  5. Van de Ven, Wynand P. M. M. & Van Praag, Bernard M. S., 1981. "The demand for deductibles in private health insurance : A probit model with sample selection," Journal of Econometrics, Elsevier, Elsevier, vol. 17(2), pages 229-252, November.
  6. Boyes, William J. & Hoffman, Dennis L. & Low, Stuart A., 1989. "An econometric analysis of the bank credit scoring problem," Journal of Econometrics, Elsevier, Elsevier, vol. 40(1), pages 3-14, January.
  7. Smale, Melinda & Bellon, Mauricio R & Aguirre Gomez, Jose Alfonso, 2001. "Maize Diversity, Variety Attributes, and Farmers' Choices in Southeastern Guanajuato, Mexico," Economic Development and Cultural Change, University of Chicago Press, vol. 50(1), pages 201-25, October.
  8. Benin, S. & Smale, M. & Pender, J. & Gebremedhin, B. & Ehui, S., 2004. "The economic determinants of cereal crop diversity on farms in the Ethiopian highlands," Agricultural Economics, Blackwell, Blackwell, vol. 31(2-3), pages 197-208, December.
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Cited by:
  1. Negassa, Asfaw & Hellin, Jonathan & Shiferaw, Bekele A., 2012. "Determinants of Adoption and Spatial Diversity of Wheat Varieties on Household Farms in Turkey," Socioeconomics Program Working Papers, CIMMYT: International Maize and Wheat Improvement Center 147106, CIMMYT: International Maize and Wheat Improvement Center.
  2. Nordhagen, Stella & Pascual, Unai, 2013. "The Impact of Climate Shocks on Seed Purchase Decisions in Malawi: Implications for Climate Change Adaptation," World Development, Elsevier, Elsevier, vol. 43(C), pages 238-251.

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