Mycorrhiza in tree diversity–ecosystem function relationships: conceptual framework and experimental implementation

Research output: Journal contributionsJournal articlesResearchpeer-review

Authors

  • Olga Ferlian
  • Simone Cesarz
  • Dylan Craven
  • Jes Hines
  • Kathryn E. Barry
  • Helge Bruelheide
  • François Buscot
  • Sylvia Haider
  • Heike Heklau
  • Sylvie Herrmann
  • Paul Kühn
  • Ulrich Pruschitzki
  • Martin Schädler
  • Cameron Wagg
  • Alexandra Weigelt
  • Tesfaye Wubet
  • Nico Eisenhauer

The widely observed positive relationship between plant diversity and ecosystem functioning is thought to be substantially driven by complementary resource use of plant species. Recent work suggests that biotic interactions among plants and between plants and soil organisms drive key aspects of resource use complementarity. Here, we provide a conceptual framework for integrating positive biotic interactions across guilds of organisms, more specifically between plants and mycorrhizal types, to explain resource use complementarity in plants and its consequences for plant competition. Our overarching hypothesis is that ecosystem functioning increases when more plant species associate with functionally dissimilar mycorrhizal fungi because differing mycorrhizal types will increase coverage of habitat space for and reduce competition among plants. We introduce a recently established field experiment (MyDiv) that uses different pools of tree species that associate with either arbuscular or ectomycorrhizal fungi to create orthogonal experimental gradients in tree species richness and mycorrhizal associations and present initial results. Finally, we discuss options for future mechanistic studies on resource use complementarity within MyDiv. We show how mycorrhizal types and biotic interactions in MyDiv can be used in the future to test novel questions regarding the mechanisms underlying biodiversity–ecosystem function relationships.

Original languageEnglish
Article numbere02226
JournalEcosphere
Volume9
Issue number5
Number of pages19
ISSN2150-8925
DOIs
Publication statusPublished - 30.05.2018
Externally publishedYes

Bibliographical note

Funding Information:
NE, OF, and UP acknowledge support by the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation program (grant agreement no. 677232). All authors acknowledge funding by the German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig funded by the German Research Foundation (FZT 118). We thank Konrad Kirsch, Ines Merbach, and all other employees of the Bad Lauchstädt Experimental Research Station of the Helmholtz Centre for Environmental Research—UFZ for support on-site. Furthermore, we thank Harald Auge, Ulrich Brose, Jeff R. Powell, Peter B. Reich, Michael Scherer-Lorenzen, and Christian Wirth for the exchange of ideas related to the design of MyDiv. Finally, we acknowledge Felix Gottschall, the members of the Experimental Interaction Ecology group, and all student helpers for their support during field work.

Funding Information:
NE, OF, and UP acknowledge support by the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation program (grant agreement no. 677232). All authors acknowledge funding by the German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig funded by the German Research Foundation (FZT 118). We thank Konrad Kirsch, Ines Merbach, and all other employees of the Bad Lauchst?dt Experimental Research Station of the Helmholtz Centre for Environmental Research?UFZ for support on-site. Furthermore, we thank Harald Auge, Ulrich Brose, Jeff R. Powell, Peter B. Reich, Michael Scherer-Lorenzen, and Christian Wirth for the exchange of ideas related to the design of MyDiv. Finally, we acknowledge Felix Gottschall, the members of the Experimental Interaction Ecology group, and all student helpers for their support during field work.

Publisher Copyright:
© 2018 The Authors.

DOI

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