Global Patterns in Local and Dark Diversity, Species Pool Size and Community Completeness in Ectomycorrhizal Fungi

  • Meelis Pärtel
  • Martin Zobel
  • Maarja Öpik
  • Leho Tedersoo
Chapter
First Online:
Part of the Ecological Studies book series (ECOLSTUD, volume 230)

Abstract

Recent metastudies and global analyses have greatly improved our understanding about the richness distribution of ectomycorrhizal (EcM) fungi on a global scale, but the ecological and biogeographic processes underlying these patterns remain poorly understood. Here, we analyse a global data set by adding dimensionality to the EcM fungal richness. We explore dark diversity (set of absent but otherwise suitable taxa for a site), species pool (the total set of suitable taxa) and community completeness (an index showing how much the species pool has realized locally). Our analysis indicates that the dark diversity and species pool concepts can add extra nuances for understanding fungal ecology and biogeography. Here, we show that the increase in EcM fungal local diversity along the host relative abundance gradient is asymptotic relative to EcM fungal species pool size potentially because of increased competition among fungi in favourable habitats.

Keywords

Diversity measures Species richness Alpha diversity Global scale 
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Notes

Acknowledgements

We thank the non-anonymous referees Francesco de Bello, Rob Lewis and Sergei Põlme for their constructive comments. We acknowledge the New Phytologist Trust for supporting a meeting for developing ideas and the European Regional Development Fund (Centre of Excellence EcolChange) for promoting synergy and funding. The work has been supported by the Estonian Ministry of Education and Research grants IUT20-28 and IUT20-29 and MOBERC1.

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  • Meelis Pärtel
    • 1
  • Martin Zobel
    • 1
  • Maarja Öpik
    • 1
  • Leho Tedersoo
    • 2
  1. 1.Institute of Ecology and Earth SciencesUniversity of TartuTartuEstonia
  2. 2.Natural History Museum, University of TartuTartuEstonia

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