Biogeography of ectomycorrhizal fungi associated with alders ( A lnus spp.) in relation to biotic and abiotic variables at the global scale
Year: 2013
Type: article
Abstract: · Much of the macroecological information about microorganisms is confounded by the lack of standardized methodology, paucity of metadata and sampling effect of a particular substrate or interacting host taxa. · This study aims to disentangle the relative effects of biological, geographical and edaphic variables on the distribution of Alnus-associated ectomycorrhizal (ECM) fungi at the global scale by using comparable sampling and analysis methods. · Ribosomal DNA sequence analysis revealed 146 taxa of ECM fungi from 22 Alnus species across 96 sites worldwide. Use of spatial and phylogenetic eigenvectors along with environmental variables in model selection indicated that phylogenetic relations among host plants and geographical links explained 43 and 10%, respectively,in ECM fungal community composition, whereas soil calcium concentration positively influenced taxonomic richness. · Intrageneric phylogenetic relations among host plants and regional processes largely account for the global biogeographic distribution of Alnus-associated ECM fungi. The biogeography of ECM fungi is consistent with ancient host migration patterns from Eurasia to North America and from southern Europe to northern Europe after the last glacial maximum, indicating codispersal of hosts and their mycobionts.
Source: New Phytologist
DOI: 10.1111/nph.12170
Institutions: University of Tartu Natural History Museum and Botanical Garden, University of Tartu, Forestry and Forest Products Research Institute, The University of Tokyo, Chinese Academy of Sciences, Institute of Applied Ecology, Slovenian Forestry Institute, University of Helsinki, Tunghai University, Mie University, Lewis & Clark College
Language: English
Subfield: Plant Science
Domain: Life Sciences
SDG: Life on land
Open Access status: bronze
Awards: Forest ecosystem functioning of common mycorrhizal network in east Asia, Effects of forest fragmentation on ectomycorrhizal fungal communities, Functional significance of mycorrhizal networks between trees and surrounding herbaceous plants in forest ecosystems, FOREST BIOLOGY, ECOLOGY and TECHNOLOGY, Functional significance and population structure of dominant fungal species in ectomycorrhizal communities in Japanese coastal pine forests
OpenAlex ID: W2103211308