Climate change and reindeer herding – a bioeconomic model on the economic implications for Saami reindeer herders in Sweden and Norway

Irmelin Slettemoen Helgesen () and Anne Borge Johannesen ()
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Irmelin Slettemoen Helgesen: Department of Economics, Norwegian University of Science and Technology
Anne Borge Johannesen: Department of Economics, Norwegian University of Science and Technology

Working Paper Series from Department of Economics, Norwegian University of Science and Technology

Abstract: The Arctic is warming three times faster than the global average. Rising temperatures could reduce the snow-covered season and increase plant productivity in the spring, fall and summer. While this may increase carrying capacity and growth of semi-domesticated reindeer, rising temperatures could also lead to an increase the frequency of ice-locked pastures, negatively affecting reindeer body mass, survival and reproductive success. We create a stage-structured bioeconomic model of reindeer herding that incorporates two counteracting effects of climate change on reindeer growth, reproduction, and survival. The model is calibrated using historical data on reindeer numbers and slaughter weights, in combination with weather data. We find that one more day with ice-locked pastures has a greater negative impact than the benefit of earlier spring. Then the model is used to simulate the economic impact of three climate change scenarios, and four areas in Norway and Sweden. All areas experience an improvement in herding profits in the Paris Agreement scenario. In the BAU scenario, the impact of climate change is negative for all areas. We also find that the potential loss in pasture related to certain emission mitigating policies may be more detrimental to reindeer husbandry than climate change itself.

Keywords: reindeer husbandry; climate change; commons; livestock; food limitation (search for similar items in EconPapers)
JEL-codes: Q24 Q54 (search for similar items in EconPapers)
Pages: 45 pages
Date: 2023-07-07
New Economics Papers: this item is included in nep-agr, nep-ene, nep-env and nep-res
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Persistent link: https://EconPapers.repec.org/RePEc:nst:samfok:19723

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