Data and code from: Traits and phylogenies modulate the environmental responses of wood-inhabiting fungal communities across spatial scales

Identifying the spatial scales at which community assembly processes
operate is fundamental for gaining a mechanistic understanding of the
drivers shaping ecological communities. In this study, we examined whether
and how traits and phylogenetic relationships structure fungal community
assembly across spatial scales. We applied joint species distribution
modelling to a European-scale dataset on 215 wood-inhabiting fungal
species, which includes data on traits, phylogeny and environmental
variables measured at the local (log-level) and regional (site-level)
scales. At the local scale, wood-inhabiting fungal communities were mostly
structured by deadwood decay stage, and the trait and phylogenetic
patterns along this environmental gradient suggested the lack of
diversifying selection. At regional scales, fungal communities and their
trait distributions were influenced by climatic and connectivity-related
variables. The fungal climatic niches were not phylogenetically
structured, suggesting that diversifying selection or stabilizing
selection for climatic niches has played a strong role in wood-inhabiting
communities. In contrast, we found a strong phylogenetic signal in the
responses to connectivity-related variables, revealing phylogenetic
homogenization in small and isolated forests. Altogether, our results show
that species-level traits and phylogenies modulate the responses of
wood-inhabiting fungi to environmental processes acting at different
scales. This result suggests that the evolutionary histories of fungal
traits diverge along different environmental axes.