Morphological traits predict host-tree specialization in wood-inhabiting fungal communities

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Purhonen , J , Ovaskainen , O , Halme , P , Komonen , A , Huhtinen , S , Kotiranta , H , Laessoe , T & Abrego , N 2020 , ' Morphological traits predict host-tree specialization in wood-inhabiting fungal communities ' , Fungal Ecology , vol. 46 , 100863 . https://doi.org/10.1016/j.funeco.2019.08.007

Title: Morphological traits predict host-tree specialization in wood-inhabiting fungal communities
Author: Purhonen, Jenna; Ovaskainen, Otso; Halme, Panu; Komonen, Atte; Huhtinen, Seppo; Kotiranta, Heikki; Laessoe, Thomas; Abrego, Nerea
Other contributor: University of Helsinki, Organismal and Evolutionary Biology Research Programme
University of Helsinki, Department of Agricultural Sciences





Date: 2020-08
Language: eng
Number of pages: 8
Belongs to series: Fungal Ecology
ISSN: 1754-5048
DOI: https://doi.org/10.1016/j.funeco.2019.08.007
URI: http://hdl.handle.net/10138/326193
Abstract: 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. (C) 2019 Elsevier Ltd and British Mycological Society. All rights reserved.
Subject: Broadleaved
Coniferous
Dead wood
Functional trait
Fruit body
Morphology
Specialization
Spore
Tree species
DEAD WOOD
DECAYING FUNGI
DIVERSITY
SPRUCE
PATTERNS
GRADIENT
LOGS
DISPERSAL
RICHNESS
ECOLOGY
1181 Ecology, evolutionary biology
11832 Microbiology and virology
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