Functional diversity of ectomycorrhizal fungal communities is reduced by trace element contamination

Álvaro López-garcía; Marta Gil-Martínez; Carmen M. Navarro-fernández; Rasmus Kjøller; Concepción Azcón-aguilar; María T. Domínguez; Teodoro Marañón

doi:10.1016/j.soilbio.2018.03.021

Functional diversity of ectomycorrhizal fungal communities is reduced by trace element contamination

Álvaro López-garcía, Marta Gil-Martínez, Carmen M. Navarro-fernández, Rasmus Kjøller, Concepción Azcón-aguilar, María T. Domínguez, Teodoro Marañón

10 Citations (Scopus)

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Abstract

Trait-based approaches are useful tools to explain ecological assembly rules and ecosystem functioning. However, their use for soil microbiota has not been explored in depth yet. We explored trait-based functional changes of ectomycorrhizal (ECM) fungal communities associated with holm oak (Quercus ilex subsp. ballota) in a trace element contaminated area. We found a variation in ECM fungal species composition determined by soil C, Ca and trace elements; however, taxonomic diversity was not dependant on contamination level. Mean trait values of ECM fungal communities showed less rhizomorph and emanating hyphae production when increasing contamination, and the community converged towards species developing rhizomorphs less frequently. We suggest that trace elements in soils acted as the main environmental filter of trait diversity of ECM fungal communities. The effect of soil nutrients, i.e. soil C, affected the community mean trait values of emanating hyphae but did not cause a convergence in its distribution. In summary, we found a reduction in the functional diversity of ECM fungal communities due to trace element contamination with potential to affect ecosystem functioning. This finding supports the potential of trait-based approaches to assess changes in the functional diversity of soil microbial communities.

Original language	English
Journal	Soil Biology and Biochemistry
Volume	121
Pages (from-to)	202-211
Number of pages	10
ISSN	0038-0717
DOIs	https://doi.org/10.1016/j.soilbio.2018.03.021
Publication status	Published - Jun 2018

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2018-02-04 López-García_postprintAccepted author manuscript, 1.48 MB

http://linkinghub.elsevier.com/retrieve/pii/S0038071718301044

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@article{da69b68a79eb418ab2a064f37d539121,

title = "Functional diversity of ectomycorrhizal fungal communities is reduced by trace element contamination",

abstract = "Trait-based approaches are useful tools to explain ecological assembly rules and ecosystem functioning. However, their use for soil microbiota has not been explored in depth yet. We explored trait-based functional changes of ectomycorrhizal (ECM) fungal communities associated with holm oak (Quercus ilex subsp. ballota) in a trace element contaminated area. We found a variation in ECM fungal species composition determined by soil C, Ca and trace elements; however, taxonomic diversity was not dependant on contamination level. Mean trait values of ECM fungal communities showed less rhizomorph and emanating hyphae production when increasing contamination, and the community converged towards species developing rhizomorphs less frequently. We suggest that trace elements in soils acted as the main environmental filter of trait diversity of ECM fungal communities. The effect of soil nutrients, i.e. soil C, affected the community mean trait values of emanating hyphae but did not cause a convergence in its distribution. In summary, we found a reduction in the functional diversity of ECM fungal communities due to trace element contamination with potential to affect ecosystem functioning. This finding supports the potential of trait-based approaches to assess changes in the functional diversity of soil microbial communities.",

author = "{\'A}lvaro L{\'o}pez-garc{\'i}a and Marta Gil-Mart{\'i}nez and Navarro-fern{\'a}ndez, {Carmen M.} and Rasmus Kj{\o}ller and Concepci{\'o}n Azc{\'o}n-aguilar and Dom{\'i}nguez, {Mar{\'i}a T.} and Teodoro Mara{\~n}{\'o}n",

year = "2018",

month = jun,

doi = "10.1016/j.soilbio.2018.03.021",

language = "English",

volume = "121",

pages = "202--211",

journal = "Soil Biology & Biochemistry",

issn = "0038-0717",

publisher = "Pergamon Press",

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TY - JOUR

T1 - Functional diversity of ectomycorrhizal fungal communities is reduced by trace element contamination

AU - López-garcía, Álvaro

AU - Gil-Martínez, Marta

AU - Navarro-fernández, Carmen M.

AU - Kjøller, Rasmus

AU - Azcón-aguilar, Concepción

AU - Domínguez, María T.

AU - Marañón, Teodoro

PY - 2018/6

Y1 - 2018/6

N2 - Trait-based approaches are useful tools to explain ecological assembly rules and ecosystem functioning. However, their use for soil microbiota has not been explored in depth yet. We explored trait-based functional changes of ectomycorrhizal (ECM) fungal communities associated with holm oak (Quercus ilex subsp. ballota) in a trace element contaminated area. We found a variation in ECM fungal species composition determined by soil C, Ca and trace elements; however, taxonomic diversity was not dependant on contamination level. Mean trait values of ECM fungal communities showed less rhizomorph and emanating hyphae production when increasing contamination, and the community converged towards species developing rhizomorphs less frequently. We suggest that trace elements in soils acted as the main environmental filter of trait diversity of ECM fungal communities. The effect of soil nutrients, i.e. soil C, affected the community mean trait values of emanating hyphae but did not cause a convergence in its distribution. In summary, we found a reduction in the functional diversity of ECM fungal communities due to trace element contamination with potential to affect ecosystem functioning. This finding supports the potential of trait-based approaches to assess changes in the functional diversity of soil microbial communities.

AB - Trait-based approaches are useful tools to explain ecological assembly rules and ecosystem functioning. However, their use for soil microbiota has not been explored in depth yet. We explored trait-based functional changes of ectomycorrhizal (ECM) fungal communities associated with holm oak (Quercus ilex subsp. ballota) in a trace element contaminated area. We found a variation in ECM fungal species composition determined by soil C, Ca and trace elements; however, taxonomic diversity was not dependant on contamination level. Mean trait values of ECM fungal communities showed less rhizomorph and emanating hyphae production when increasing contamination, and the community converged towards species developing rhizomorphs less frequently. We suggest that trace elements in soils acted as the main environmental filter of trait diversity of ECM fungal communities. The effect of soil nutrients, i.e. soil C, affected the community mean trait values of emanating hyphae but did not cause a convergence in its distribution. In summary, we found a reduction in the functional diversity of ECM fungal communities due to trace element contamination with potential to affect ecosystem functioning. This finding supports the potential of trait-based approaches to assess changes in the functional diversity of soil microbial communities.

U2 - 10.1016/j.soilbio.2018.03.021

DO - 10.1016/j.soilbio.2018.03.021

M3 - Journal article

SN - 0038-0717

VL - 121

SP - 202

EP - 211

JO - Soil Biology & Biochemistry

JF - Soil Biology & Biochemistry

ER -

Functional diversity of ectomycorrhizal fungal communities is reduced by trace element contamination

Abstract

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