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Models of Oak Woodland Silvopastoral Management

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Mediterranean Oak Woodland Working Landscapes

Part of the book series: Landscape Series ((LAEC,volume 16))

Abstract

Spanish dehesas and California ranchlands provide a diverse array of woodland-produced commodities, including forage, wood, acorns, habitat, game, and amenities. Several silvopastoral models exist for analyzing such production. An examination of management scenarios that include encouraging natural regeneration in dehesa is offered, and then compared with management where no extra inputs are provided and the tree overstory is gradually lost over time. A significant issue in Spain and California alike is sustaining production while making certain there is natural regeneration and recruitment of the oaks. A sensitivity analysis of public inputs, product prices, and discount factors is provided. Silvopastoral models for California woodlands illustrate the importance of incorporating actual landowner behavior in policy analysis to accurately represent the future trajectory of oak woodlands.

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Notes

  1. 1.

    A forage unit (FU) represents the energy contained in a kilogram of barley at 14.1 % humidity, or 2,723 kilocalories of metabolic energy (INRA 1978).

  2. 2.

    The contingent valuation survey was conducted in 2000 with results subsequently updated to 2002 prices. We assume that private amenity value has the same temporary variation as the market price of non-irrigated pastureland in the Extremadura region (MAPA 2003).

  3. 3.

    Facilitated natural regeneration for oak trees is required in dehesa to build a tree layer. Regeneration of oaks based only on natural processes does not occur in open spaces. The dehesa is a fragile working landscape maintained by livestock, avoiding overcutting of biomass to meet human demand.

  4. 4.

    Prices before government intervention via subsidies and taxes on products.

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Acknowledgments

The investigation carried out in dehesas is a contribution to the project “Análisis prospectivo de las rentabilidades social y privada de las forestaciones de encinas y alcornoques del periodo 1994–2000 en el marco del Reglamento 2080/92 (AREA)”, supported by funding from the BBVA Foundation. The authors thank an anonymous referee for reviewing an earlier version of the manuscript.

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Authors and Affiliations

  1. Department of Environmental Science, Policy and Management, University of California, Berkeley, 130 Mulford Hall, MC 3110, Berkeley, 94720, CA, USA

    Richard B. Standiford

  2. Institute of Public Goods and Policies (IPP), Spanish National Research Council (CSIC), Albasanz 26–28, 28037, Madrid, Spain

    Paola Ovando & Pablo Campos

  3. Forest Research Centre, National Institute for Agriculture and Food Research and Technology, Ctra. de la Coruña km. 7,5, 28040, Madrid, Spain

    Gregorio Montero

Authors
  1. Richard B. Standiford
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  2. Paola Ovando
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  3. Pablo Campos
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  4. Gregorio Montero
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Corresponding author

Correspondence to Richard B. Standiford .

Editor information

Editors and Affiliations

  1. , Institute of Public Goods and Policies, Spanish National Research Council, Albasanz 26-28, Madrid, 28037, Madrid, Spain

    Pablo Campos

  2. , Dept. Environ. Sci. Policy Manage., University of California at Berkeley, 130 Mulford Hall MC 3114, Berkeley, 94720, California, USA

    Lynn Huntsinger

  3. , Institute of Public Goods and Policies, Spanish National Research Council, Albasanz 26-28, Madrid, 28037, Madrid, Spain

    Jose Luis Oviedo Pro

  4. , Department of Geography, University of Nevada at Reno, MacKay Science Mail Stop, Reno, 89557, Nevada, USA

    Paul F Starrs

  5. , Biogeography and Global Change, Spanish National Research Council, Serrano 115 bis, Madrid, 28006, Madrid, Spain

    Mario Diaz

  6. , Dept of Environ Sci Policy and Manage, University of California at Berkeley, 130 Mulford Hall MC 3114, Berkeley, 94720, California, USA

    Richard B Standiford

  7. , Centro de Investigación Forestal, Inst Nacl Invest Tecnol Agrar Aliment, Ctra. de La Coruña, km 7.5, Madrid, 28040, Madrid, Spain

    Gregorio Montero

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Standiford, R.B., Ovando, P., Campos, P., Montero, G. (2013). Models of Oak Woodland Silvopastoral Management. In: Campos, P., et al. Mediterranean Oak Woodland Working Landscapes. Landscape Series, vol 16. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-6707-2_9

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