Planning for cost-effective, multifunctional farmland preservation: A case study in California

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Planning for cost-effective, multifunctional
farmland preservationA case study in
Californias Central Valley

• Frank Davis, David Stoms, and Jason Kreitler,
• University of California Santa Barbara

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Prioritizing agricultural lands through ecosystem
services

• Which services?
• How to map?
• How to use conservation funds most efficiently?
• Where to conserve?

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Planning support tool

• To prioritize farmlands for conservation
• Main benefits
• Includes multiple criteria
• Incorporates social preferences
• Captures expected losses of resources
• Operates cost-effectively
• GIS based

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Criterion valuation method
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Land value modeling

• Hedonic analysis
• Observed farmland sales
• Parcel level

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Cost-effectiveness
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Visualization through Google Earth
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Next steps

• Operationalize the software
• Continue refining and generating criteria
• Assess multiple conservation actions (easement vs
  fee title purchase vs lease/payment for services)

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Publications and acknowledgements

• Davis, F. W., C. J. Costello and D. M. Stoms.
  2006. Efficient conservation in a
  utility-maximization framework. Ecology and
  Society 11 33. online URL http//www.ecologyan
  dsociety.org/vol11/iss1/art33/.
• Machado, E. A., D. M. Stoms, F. W. Davis, and J.
  Kreitler. 2006. Prioritizing farmland
  preservation cost-effectively for multiple
  objectives. Journal of Soil and Water
  Conservation 61 250-258.
• Stoms, D. M., P. A. Jantz and F. W. Davis. In
  preparation. Strategic targeting of farmland
  preservation for managing urban growth. To be
  submitted to Journal of the American Planning
  Association.
• This project is supported by USDA-CSREES grant
  2005-35401-15320. We have received excellent
  guidance from our advisory group of experts Tim
  Duane, Julie Gustanski, Ralph Heimlich, Dan
  Press, Pete Roussopoulos, Rita Schenck, Al
  Sokolow, and Ed Thompson, Jr. We also are very
  grateful to the executive director of the Central
  Valley Farmland Trust, Bill Martin, for his
  willingness to be the test case.
• For more information see www.biogeog.ucsb.edu/proj
  ects/cefarm/cefarm.htm
• or contact Jason Kreitler jkreitler_at_bren.ucsb.ed
  u

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