Modeling the effects of climate change and management on the dead wood dynamics in boreal forest plantations |
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Authors: | Adriano Mazziotta Mikko Mönkkönen Harri Strandman Johanna Routa Olli-Pekka Tikkanen Seppo Kellomäki |
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Institution: | 1. Department of Biological and Environmental Science, University of Jyv?skyl?, POB 35, 40014, Jyv?skyl?, Finland 2. School of Forest Sciences, University of Eastern Finland, P.O. Box 111, 80101, Joensuu, Finland 3. Finnish Forest Research Institute, P.O. Box 68, 80101, Joensuu, Finland 4. Department of Biology, University of Eastern Finland, P.O. Box 111, 80101, Joensuu, Finland
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Abstract: | The present research examines the joint effects of climate change and management on the dead wood dynamics of the main tree species of the Finnish boreal forests via a forest ecosystem simulator. Tree processes are analyzed in stands subject to multiple biotic and abiotic environmental factors. A special focus is on the implications for biodiversity conservation thereof. Our results predict that in boreal forests, climate change will speed up tree growth and accumulation ending up in a higher stock of dead wood available as habitat for forest-dwelling species, but the accumulation processes will be much smaller in the working landscape than in set-asides. Increased decomposition rates driven by climate change for silver birch and Norway spruce will likely reduce the time the dead wood stock is available for dead wood-associated species. While for silver birch, the decomposition rate will be further increased in set-aside in relation to stands under ordinary management, for Norway spruce, set-asides can counterbalance the enhanced decomposition rate due to climate change thereby permitting a longer persistence of different decay stages of dead wood. |
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