Influence of prescribed burning on reindeer winter pastures at landscape scale in northern Sweden: A modelling approach - Archive ouverte HAL Access content directly
Journal Articles AMBIO: A Journal of the Human Environment Year : 2023

Influence of prescribed burning on reindeer winter pastures at landscape scale in northern Sweden: A modelling approach

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Abstract

Whilst the re-introduction of fire can contribute to biodiversity conservation in Fennoscandian forests, the effects on reindeer herding remain uncertain. To assess the short- and long-term effects of prescribed burning on lichen supply in a productive forest landscape, we developed a model simulating lichen biomass available for reindeer grazing, covering 300 years and 1500 pine stands, under different soil preparation scenarios, including different prescribed burning regimes and mechanical scarification. Our simulations revealed that burning 25-50% of yearly clear-cuts has the potential to stop, or even reverse, reindeer lichen decline at landscape scale after 70 years, greatly surpassing the short-term losses caused by burning. No burning or burning 5% of yearly clear-cuts, as required by the FSC certification, compounded the negative effects of fire suppression and scarification on lichen. Compared to the scenario with no soil preparation, all our simulations resulted in a continuous decrease of lichen supply in Lichen-type stands, indicating that any form of disturbance in these habitats can strongly limit future gains.
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Dates and versions

hal-03943745 , version 1 (17-01-2023)

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Samuel Roturier, Juliette Picard, Sarah Cogos, Thierry Spataro. Influence of prescribed burning on reindeer winter pastures at landscape scale in northern Sweden: A modelling approach. AMBIO: A Journal of the Human Environment, 2023, 52 (2), pp.453-464. ⟨10.1007/s13280-022-01805-0⟩. ⟨hal-03943745⟩
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