Mycorrhiza Networks Promote Biodiversity and Stabilize the Tropical Mountain Rain Forest Ecosystem: Perspectives for Understanding Complex Communities

  • Ingrid Kottke
  • Sabrina Setaro
  • Ingeborg Haug
  • Paulo Herrera
  • Dario Cruz
  • Andreas Fries
  • Julia Gawlik
  • Jürgen Homeier
  • Florian A. Werner
  • Andrés Gerique
  • Juan Pablo Suárez
Chapter
Part of the Ecological Studies book series (ECOLSTUD, volume 221)

Abstract

To better understand the mechanisms behind maintenance of the extraordinary plant and fungal diversity in tropical mountain forests we applied, for the first time, network theory to investigate the mycobiont–plant communities. We addressed three different mycorrhizal classes, arbuscular mycorrhizae of tropical trees, mycorrhizae of terrestrial and epiphytic Orchidaceae and cavendishioid mycorrhizae among Ericaceae and Sebacinales. We found significant nestedness (NODF) for arbuscular and orchid mycorrhizal networks. In accordance to previous simulations and verifications of species-rich, mutualistic plant–animal networks, we conclude that preferential attachment of new members to already existing links integrates and maintains rare species and stabilizes our species rich assemblages.

Notes

Acknowledgements

The authors are grateful for fruitful discussions with Pedro Jordano on network analysis.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Ingrid Kottke
    • 1
    • 2
  • Sabrina Setaro
    • 3
  • Ingeborg Haug
    • 1
  • Paulo Herrera
    • 2
  • Dario Cruz
    • 2
  • Andreas Fries
    • 4
  • Julia Gawlik
    • 5
  • Jürgen Homeier
    • 6
  • Florian A. Werner
    • 7
  • Andrés Gerique
    • 5
  • Juan Pablo Suárez
    • 2
  1. 1.Plant Evolutionary Ecology, Institute of Evolution and EcologyEberhard-Karls-University TübingenTübingenGermany
  2. 2.Centro de Biologia Celular y MolecularUniversidad Técnica Particular de LojaLojaEcuador
  3. 3.Department of BiologyWake Forest UniversityWinston-SalemUSA
  4. 4.Department of GeographyPhilipps-University MarburgMarburgGermany
  5. 5.Institute of GeographyUniversity of ErlangenErlangenGermany
  6. 6.Plant EcologyUniversity of GöttingenGöttingenGermany
  7. 7.Institute of Biology and Environmental SciencesCarl von Ossietzky University OldenburgOldenburgGermany

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