Deadwood-rich managed forests provide insights into the old-forest association of wood-inhabiting fungi |
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| Affiliation: | 1. The Forestry Research Institute of Sweden (Skogforsk), SE-75183 Uppsala, Sweden;2. Swedish University of Agricultural Sciences, Department of Ecology, Box 7044, SE-75007 Uppsala, Sweden;3. Swedish University of Agricultural Sciences, Department of Wildlife, Fish, and Environmental Studies, SE-901 83 Umeå, Sweden;1. Terrestrial Ecology Research Group, Department of Ecology and Ecosystem Management, School of Life Sciences Weihenstephan, Technische Universität München, Hans-Carl-von-Carlowitz-Platz 2, 85354 Freising, Germany;2. Field Station Fabrikschleichach, Biozentrum University of Würzburg, Glashüttenstraβe 5, 96181 Rauhenebrach, Germany;3. Bavarian Forest National Park, Zoology, Department of Conservation and Research, Freyunger Str. 2, 94481 Grafenau, Germany;4. Swiss Federal Research Institute WSL, Zürcherstrasse 111, CH-8903 Birmensdorf, Switzerland;5. Institut für Medizininformatik, Biometrie und Epidemiologie, Friedrich-Alexander-Universität Erlangen-Nürnberg, Waldstraβe 6, 91054 Erlangen, Germany;6. Section Biostatistics, Paul-Ehrlich-Institut, Federal Institute for Vaccines and Biomedicines, Paul-Ehrlich-Str. 51-59, 63225 Langen, Germany;1. Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Kamýcká 129, 16521 Praha 6 – Suchdol, Czech Republic;2. Faculty of Science, University of South Bohemia, Branišovská 31, 37005 České Budějovice, Czech Republic;3. Resslova 26, 40001 Ústí nad Labem, Czech Republic;4. Blumenstrasse 14, 96271 Grub am Forst, Germany;1. Department of Ecology, Swedish University of Agricultural Sciences, Box 7044, SE-75007 Uppsala, Sweden;2. Southern Swedish Forest Research Centre, Swedish University of Agricultural Sciences, Box 49, Rörsjöv 1, 230 53 Alnarp, Sweden;1. Department of Biological and Environmental Science, University of Jyväskylä, P.O. Box 35, FI-40014, Finland;2. Herbarium, University of Turku, FI-20014 Turku, Finland;3. Biodiversity Unit, Finnish Environment Institute, P.O. Box 140, FI-00251, Helsinki, Finland;4. Jyväskylä University Museum, University of Jyväskylä, P.O. Box 35, FI-40014, Finland |
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| Abstract: | A major question in fungal conservation is why many species are confined to old forests, and how they could be supported by contemporary landscape matrix. Specifically, forestry that retains large biological legacies across landscape could reduce old-forest dependencies to species that require unusual substrate conditions. We sampled polypores in 112 2 ha plots (both old and harvested stands) in a semi-natural forestry context in Estonia and modelled the habitat factors of species confined to old growth. The results confirmed that old-growth assemblages emerged mostly due to diverse and abundant substrate supply (notably downed CWD). Only 10 species (five spruce-dwellers) were confined to old growth; of these, only Fomitopsis rosea and Oxyporus corticola were additionally affected by forest connectivity. The forestry system studied appeared particularly favourable for the species inhabiting deciduous wood. To better address habitat degradation in conservation, expert lists of ‘old-forest (indicator) fungi’ should be replaced with evidence-based focal taxa. |
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| Keywords: | Coarse woody debris Hemiboreal forest Indicator species Old growth Saproxylic fungi Substrate threshold |
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