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Assemblage composition of fungal wood-decay species has major influence on how climate and wood quality modify decomposition
University of Eastern Finland.
University of Eastern Finland.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.ORCID iD: 0000-0001-8644-7249
University of Eastern Finland.
2017 (English)In: FEMS Microbiology Ecology, ISSN 0168-6496, E-ISSN 1574-6941, Vol. 93, no 3, fix002Article in journal (Refereed) Published
Abstract [en]

The interactions among saprotrophic fungal species, as well as their interactions with environmental factors, may have a major influence on wood decay and carbon release in ecosystems. We studied the effects that decomposer diversity (species richness and assemblage composition) have on wood decomposition when the climatic variables and substrate quality vary simultaneously. We used two temperature (16 and 21°C) and two humidity (70% and 90%) levels at two wood qualities (wood from managed and old-growth forests) of Pinus sylvestris. In a nine-month experiment, the effects of fungal diversity were tested using four wood-decaying fungi (Antrodia xanthaDichomitus squalensFomitopsis pinicola and Gloeophyllum protractum) at assemblage levels one, two and four species. Wood quality and assemblage composition affected the influence of climatic factors on decomposition rates. Fungal assemblage composition was found to be more important than fungal species richness, indicating that species-specific fungal traits are of paramount importance in driving decomposition. We conclude that models containing fungal wood-decay species (and wood-based carbon) need to take into account species - and assemblage composition - specific properties to improve predictive capacity in regard to decomposition related carbon dynamics.

Place, publisher, year, edition, pages
2017. Vol. 93, no 3, fix002
Keyword [en]
climate change, fungal assemblage composition, fungal diversity, interaction, species specificity, species richness, wood decomposition, wood quality
National Category
Ecology
Identifiers
URN: urn:nbn:se:miun:diva-29947DOI: 10.1093/femsec/fix002ISI: 000397434400008OAI: oai:DiVA.org:miun-29947DiVA: diva2:1068836
Available from: 2017-01-26 Created: 2017-01-26 Last updated: 2017-04-21Bibliographically approved

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Publisher's full texthttps://doi-org.proxybib.miun.se/10.1093/femsec/fix002

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf