Morphological traits predict host-tree specialization in wood-inhabiting fungal communities
Purhonen, J., Ovaskainen, O., Halme, P., Komonen, A., Huhtinen, S., Kotiranta, H., Læssøe, T., & Abrego, N. (2020). Morphological traits predict host-tree specialization in wood-inhabiting fungal communities. Fungal Ecology, 46, Article 100863. https://doi.org/10.1016/j.funeco.2019.08.007
Published inFungal Ecology
DisciplineResurssiviisausyhteisöEkologia ja evoluutiobiologiaEvoluutiotutkimus (huippuyksikkö)School of Resource WisdomEcology and Evolutionary BiologyCentre of Excellence in Evolutionary Research
© 2019 Elsevier Ltd and British Mycological Society
Tree species is one of the most important determinants of wood-inhabiting fungal community composition, yet its relationship with fungal reproductive and dispersal traits remains poorly understood. We studied fungal communities (total of 657 species) inhabiting broadleaved and coniferous dead wood (total of 192 logs) in 12 semi-natural boreal forests. We utilized a trait-based hierarchical joint species distribution model to examine how the relationship between dead wood quality and species occurrence correlates with reproductive and dispersal morphological traits. Broadleaved trees had higher species richness than conifers, due to discomycetoids and pyrenomycetoids specializing in them. Resupinate and pileate species were generally specialized in coniferous dead wood. Fungi inhabiting broadleaved trees had larger and more elongated spores than fungi in conifers. Spore size was larger and spore shape more spherical in species occupying large dead wood units. These results indicate the selective effect of dead wood quality, visible not only in species diversity, but also in reproductive and dispersal traits. ...
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Additional information about fundingThis study was funded by the Ministry of the Environment of Finland (PUTTE grant to Halme), the Finnish Foundation of Nature Conversation and the Finnish Cultural Foundation (grants to Purhonen), Academy of Finland (grants 309581 and 284601 to Ovaskainen and grant 308651 to Nerea Abrego), Jane and Aatos Erkko Foundation (grant to Ovaskainen), and Research Council of Norway through its Centres of Excellence Funding Scheme (223257) to Ovaskainen via Centre for Biodiversity Dynamics. ...
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