Stem traits, compartments and tree species affect fungal communities on decaying wood

Shanshan Yang*, Lourens Poorter, Eiko E. Kuramae, Ute Sass-Klaassen, Marcio F.A. Leite, Ohana Y.A. Costa, George A. Kowalchuk, Johannes H.C. Cornelissen, Jurgen van Hal, Leo Goudzwaard, Mariet M. Hefting, Richard S.P. van Logtestijn, Frank J. Sterck

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Dead wood quantity and quality is important for forest biodiversity, by determining wood-inhabiting fungal assemblages. We therefore evaluated how fungal communities were regulated by stem traits and compartments (i.e. bark, outer- and inner wood) of 14 common temperate tree species. Fresh logs were incubated in a common garden experiment in a forest site in the Netherlands. After 1 and 4 years of decay, the fungal composition of different compartments was assessed using Internal Transcribed Spacer amplicon sequencing. We found that fungal alpha diversity differed significantly across tree species and stem compartments, with bark showing significantly higher fungal diversity than wood. Gymnosperms and Angiosperms hold different fungal communities, and distinct fungi were found between inner wood and other compartments. Stem traits showed significant afterlife effects on fungal communities; traits associated with accessibility (e.g. conduit diameter), stem chemistry (e.g. C, N, lignin) and physical defence (e.g. density) were important factors shaping fungal community structure in decaying stems. Overall, stem traits vary substantially across stem compartments and tree species, thus regulating fungal communities and the long-term carbon dynamics of dead trees.

Original languageEnglish
Pages (from-to)3625-3639
Number of pages15
JournalEnvironmental Microbiology
Volume24
Issue number8
DOIs
Publication statusPublished - Aug 2022

Bibliographical note

Funding Information:
The authors thank many participants of the LOGLIFE Team in various years for help with setting up, maintenance and harvesting. The Schovenhorst estate and Staatsbosbeheer Flevoland were very hospitable and helpful in establishing and hosting LOGLIFE throughout the experimental period. The authors thank Agata Pijl and Mattias de Hollander for their technical support in DNA extraction and bioinformatics. Financial support was provided by the Nora Croin Michielsen Fonds and the China Scholarship Council (No. 201706910085). This is publication number 7383 of the Netherlands Institute of Ecology (NIOO‐KNAW).

Funding Information:
The authors thank many participants of the LOGLIFE Team in various years for help with setting up, maintenance and harvesting. The Schovenhorst estate and Staatsbosbeheer Flevoland were very hospitable and helpful in establishing and hosting LOGLIFE throughout the experimental period. The authors thank Agata Pijl and Mattias de Hollander for their technical support in DNA extraction and bioinformatics. Financial support was provided by the Nora Croin Michielsen Fonds and the China Scholarship Council (No. 201706910085). This is publication number 7383 of the Netherlands Institute of Ecology (NIOO-KNAW).

Publisher Copyright:
© 2022 The Authors. Environmental Microbiology published by Society for Applied Microbiology and John Wiley & Sons Ltd.

Funding

The authors thank many participants of the LOGLIFE Team in various years for help with setting up, maintenance and harvesting. The Schovenhorst estate and Staatsbosbeheer Flevoland were very hospitable and helpful in establishing and hosting LOGLIFE throughout the experimental period. The authors thank Agata Pijl and Mattias de Hollander for their technical support in DNA extraction and bioinformatics. Financial support was provided by the Nora Croin Michielsen Fonds and the China Scholarship Council (No. 201706910085). This is publication number 7383 of the Netherlands Institute of Ecology (NIOO‐KNAW).

Keywords

  • Deadwood
  • Debris
  • Decomposition
  • Diversity
  • Dynamics
  • Enzyme-activities
  • Identification
  • Physicochemical properties
  • Quality
  • Soil

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