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Mycorrhiza

, Volume 28, Issue 4, pp 357–368 | Cite as

Ectomycorrhizal fungal diversity and community structure associated with cork oak in different landscapes

  • Francisca Reis
  • Teresa Valdiviesso
  • Carolina Varela
  • Rui M. Tavares
  • Paula Baptista
  • Teresa Lino-Neto
Original Article

Abstract

Cork oak (Quercus suber L.) forests play an important ecological and economic role. Ectomycorrhizal fungi (ECMF) are key components for the sustainability and functioning of these ecosystems. The community structure and composition of ECMF associated with Q. suber in different landscapes of distinct Mediterranean bioclimate regions have not previously been compared. In this work, soil samples from cork oak forests residing in different bioclimates (arid, semi-arid, sub-humid, and humid) were collected and surveyed for ectomycorrhizal (ECM) root tips. A global analysis performed on 3565 ECM root tips revealed that the ECMF community is highly enriched in Russula, Tomentella, and Cenoccocum, which correspond to the ECMF genera that mainly contribute to community differences. The ECMF communities from the rainiest and the driest cork oak forests were distinct, with soils from the rainiest climates being more heterogeneous than those from the driest climates. The analyses of several abiotic factors on the ECMF communities revealed that bioclimate, precipitation, soil texture, and forest management strongly influenced ECMF structure. Shifts in ECMF with different hyphal exploration types were also detected among forests, with precipitation, forest system, and soil texture being the main drivers controlling their composition. Understanding the effects of environmental factors on the structuring of ECM communities could be the first step for promoting the sustainability of this threatened ecosystem.

Keywords

Cork oak ECMF community Environmental factors Exploration types 

Notes

Funding information

This work was supported by Fundação Ciência e Tecnologia (FCT/MCTES/PIDDAC, Portugal), under the project (PEst-OE/BIA/UI4046/2014; UID/MULTI/04046/2013) and PhD grant to F.R. (SFRH/BD/86519/2012).

Supplementary material

572_2018_832_MOESM1_ESM.docx (330 kb)
ESM 1 (DOCX 330 kb)

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.BioSystems & Integrative Sciences Institute (BioISI), Plant Functional Biology CentreUniversity of MinhoBragaPortugal
  2. 2.Instituto Nacional de Investigação Agrária e Veterinária, I.P., UEIS-SAFSVOeirasPortugal
  3. 3.CIMO, School of Agriculture, Polytechnic Institute of BragançaBragançaPortugal

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