Cost-efficient strategies to preserve dead wood-dependent species in a managed forest landscape
Ranius, T., Korosuo, A., Roberge, J.-M., Juutinen, A., Mönkkönen, M., & Schroeder, M. (2016). Cost-efficient strategies to preserve dead wood-dependent species in a managed forest landscape. Biological Conservation, 204, 197-204. https://doi.org/10.1016/j.biocon.2016.10.017
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Biological ConservationAuthors
Date
2016Copyright
© 2016 Elsevier Ltd. This is a final draft version of an article whose final and definitive form has been published by Elsevier. Published in this repository with the kind permission of the publisher.
Negative consequences of intensive forest management on biodiversity are often mitigated by setting aside old forest, but alternative strategies have been suggested. We have compared using simulations the consequences of two of these alternatives − setting aside young forests or extending rotation periods − to that of current practice in managed boreal forest. In all scenarios we applied a constant conservation budget and predicted forest development and harvesting over 200 years. As a proxy for biodiversity conservation, we projected the extinction risk of a dead wood-dependent beetle, Diacanthous undulatus, in a 50 km2 landscape in central Sweden, using a colonization-extinction model. During the first century, setting aside young forest stands rather than old stands increased extinction risk because young stands have lower habitat quality. However, habitat quality of young forests increased as they aged and they were much cheaper to set aside than old stands. Therefore, the strategy allowed a larger set-aside area (within the budget constraint), resulting in lower extinction risk and harvested timber volumes in the second century. Prolonging rotations also decreased the extinction risk but was in the long-term less cost-effective. The most cost-effective strategy in the long-term (200 years) was to set aside a mixture of old and young forest. However, setting aside young stands rather than prolonging rotations or setting aside old stands delays both the benefits (lower extinction risk) and costs (lost harvest volumes), so the optimal strategy depends on the assumed societal values and hence discount rates.
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https://converis.jyu.fi/converis/portal/detail/Publication/26280645
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Research Council of FinlandFunding program(s)
Academy Project, AoFAdditional information about funding
This study was supported by the research program Future Forests and the Swedish Research Council for Environment, Agricultural Sciences and Spatial Planning (Formas) [grant no. 215-2008-539 to TR], the Academy of Finland (project no. 275329 to MM), the Kone Foundation (to MM), and the Kempe Foundation (no. SMK-1339 to JMR).Related items
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