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Reindeer management and winter pastures in the presence of supplementary feeding and government subsidies

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  • Pekkarinen, Antti-Juhani
  • Kumpula, Jouko
  • Tahvonen, Olli

Abstract

We apply an age- and sex-structured reindeer-lichen model to examine the role of winter pastures, pasture rotation, and supplementary feeding on economically optimal reindeer management. The model includes 17 age classes of females, 13 classes of males and a detailed description of winter energy resource utilization by the reindeer population. Reproduction is specified by a modified harmonic mean mating system and the diet choice between different winter energy resources follows the principles of the optimal foraging theory. Wintertime energy intake defines an individual's weight decrease and its consequences on mortality and reproduction. Lichen growth depends on habitat type and lichen biomass. The decision variables are the animals chosen for slaughter from each age and sex class and the amount of supplementary food given. Results show that the availability of arboreal lichens, the growth rate of ground lichens, and pasture rotation all determine the optimal solutions. Reindeer management aiming to maximize long-term net economic revenues leads to very low lichen densities if intensive feeding becomes optimal in the long-term steady state. Government subsidies promote reindeer herders to base management on supplementary feeding leading to lower pasture conditions and to the depletion of lichens.

Suggested Citation

  • Pekkarinen, Antti-Juhani & Kumpula, Jouko & Tahvonen, Olli, 2015. "Reindeer management and winter pastures in the presence of supplementary feeding and government subsidies," Ecological Modelling, Elsevier, vol. 312(C), pages 256-271.
    • Handle: RePEc:eee:ecomod:v:312:y:2015:i:c:p:256-271
    DOI: 10.1016/j.ecolmodel.2015.05.030
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    Cited by:

    1. Parkatti, Vesa-Pekka & Tahvonen, Olli, 2021. "Economics of multifunctional forestry in the Sámi people homeland region," Journal of Environmental Economics and Management, Elsevier, vol. 110(C).
    2. Irmelin Slettemoen Helgesen & Anne Borge Johannesen, 2023. "Climate change and reindeer herding – a bioeconomic model on the economic implications for Saami reindeer herders in Sweden and Norway," Working Paper Series 19723, Department of Economics, Norwegian University of Science and Technology.
    3. Anne Borge Johannesen & Jon Olaf Olaussen & Anders Skonhoft, 2019. "Livestock and Carnivores: Economic and Ecological Interactions," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 74(1), pages 295-317, September.

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