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Phylogenetic and functional traits of ectomycorrhizal assemblages in top soil from different biogeographic regions and forest types.
Journal article

Phylogenetic and functional traits of ectomycorrhizal assemblages in top soil from different biogeographic regions and forest types.

  • Pena R Forstbotanik und Baumphysiologie, Büsgen-Institut, Georg-August Universität Göttingen, Büsgenweg 2, 37077, Göttingen, Germany.
  • Lang C Forstbotanik und Baumphysiologie, Büsgen-Institut, Georg-August Universität Göttingen, Büsgenweg 2, 37077, Göttingen, Germany.
  • Lohaus G Forstbotanik und Baumphysiologie, Büsgen-Institut, Georg-August Universität Göttingen, Büsgenweg 2, 37077, Göttingen, Germany.
  • Boch S Institute of Plant Sciences and Botanical Garden, University of Bern, Altenbergrain 21, 3013, Bern, Switzerland.
  • Schall P Waldbau und Waldökologie der gemäßigten Zonen, Burkhard Institut, Georg-August Universität Göttingen, Büsgenweg 1, 37077, Göttingen, Germany.
  • Schöning I Max-Planck-Institute for Biogeochemistry, Department Biogeochemical Processes, Hans-Knöll-Str. 10, 07745, Jena, Germany.
  • Ammer C Waldbau und Waldökologie der gemäßigten Zonen, Burkhard Institut, Georg-August Universität Göttingen, Büsgenweg 1, 37077, Göttingen, Germany.
  • Fischer M Institute of Plant Sciences and Botanical Garden, University of Bern, Altenbergrain 21, 3013, Bern, Switzerland.
  • Polle A Forstbotanik und Baumphysiologie, Büsgen-Institut, Georg-August Universität Göttingen, Büsgenweg 2, 37077, Göttingen, Germany. apolle@gwdg.de.
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  • 2016-11-26
Published in:
  • Mycorrhiza. - 2017
Beech (Fagus sylvatica)
Drought
Ectomycorrhiza
Exploration type
Nitrogen
Pine (Pinus sylvestris)
Spruce (Picea abies)
Biodiversity
Forests
Germany
Mycorrhizae
Phylogeny
Phylogeography
Soil
Soil Microbiology
English Ectomycorrhizal (EM) fungal taxonomic, phylogenetic, and trait diversity (exploration types) were analyzed in beech and conifer forests along a north-to-south gradient in three biogeographic regions in Germany. The taxonomic community structures of the ectomycorrhizal assemblages in top soil were influenced by stand density and forest type, by biogeographic environmental factors (soil physical properties, temperature, and precipitation), and by nitrogen forms (amino acids, ammonium, and nitrate). While α-diversity did not differ between forest types, β-diversity increased, leading to higher γ-diversity on the landscape level when both forest types were present. The highest taxonomic diversity of EM was found in forests in cool, moist climate on clay and silty soils and the lowest in the forests in warm, dry climate on sandy soils. In the region with higher taxonomic diversity, phylogenetic clustering was found, but not trait clustering. In the warm region, trait clustering occurred despite neutral phylogenetic effects. These results suggest that different forest types and favorable environmental conditions in forests promote high EM species richness in top soil presumably with both high functional diversity and phylogenetic redundancy, while stressful environmental conditions lead to lower species richness and functional redundancy.
Language
  • English
Open access status
closed
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Persistent URL
https://sonar.ch/global/documents/185072
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