Soil moisture and chemistry influence diversity of ectomycorrhizal fungal communities associating with willow along an hydrologic gradient

Sonya R. Erlandson; Jessica A. Savage; Jeannine M. Cavender-Bares; Kabir G. Peay

doi:10.1093/femsec/fiv148

Soil moisture and chemistry influence diversity of ectomycorrhizal fungal communities associating with willow along an hydrologic gradient

Sonya R. Erlandson, Jessica A. Savage, Jeannine M. Cavender-Bares, Kabir G. Peay

Research output: Contribution to journal › Article › peer-review

69 Scopus citations

Abstract

Influences of soil environment and willow host species on ectomycorrhizal fungi communities was studied across an hydrologic gradient in temperate North America. Soil moisture, organic matter and pH strongly predicted changes in fungal community composition. In contrast, increased fungal richness strongly correlated with higher plant-available phosphorus. The 93 willow trees sampled for ectomycorrhizal fungi included seven willow species. Host identity did not influence fungal richness or community composition, nor was there strong evidence of willow host preference for fungal species. Network analysis suggests that these mutualist interaction networks are not significantly nested or modular. Across a strong environmental gradient, fungal abiotic niche determined the fungal species available to associate with host plants within a habitat.

Original language	English (US)
Journal	FEMS microbiology ecology
Volume	92
Issue number	1
DOIs	https://doi.org/10.1093/femsec/fiv148
State	Published - Jan 2016

Bibliographical note

Funding Information:
This work was supported by by funds from the University of Minnesota, Stanford University, and NSF Award DBI 1249341 [KGP] and NSF LTER Grant DEB number 0620652 [JCB].

Publisher Copyright:
© FEMS 2015. All rights reserved.

Keywords

Cedar Creek
Ectomycorrhizae
Host preference
Mutualism network
Niche
Salix

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title = "Soil moisture and chemistry influence diversity of ectomycorrhizal fungal communities associating with willow along an hydrologic gradient",

abstract = "Influences of soil environment and willow host species on ectomycorrhizal fungi communities was studied across an hydrologic gradient in temperate North America. Soil moisture, organic matter and pH strongly predicted changes in fungal community composition. In contrast, increased fungal richness strongly correlated with higher plant-available phosphorus. The 93 willow trees sampled for ectomycorrhizal fungi included seven willow species. Host identity did not influence fungal richness or community composition, nor was there strong evidence of willow host preference for fungal species. Network analysis suggests that these mutualist interaction networks are not significantly nested or modular. Across a strong environmental gradient, fungal abiotic niche determined the fungal species available to associate with host plants within a habitat.",

keywords = "Cedar Creek, Ectomycorrhizae, Host preference, Mutualism network, Niche, Salix",

author = "Erlandson, {Sonya R.} and Savage, {Jessica A.} and Cavender-Bares, {Jeannine M.} and Peay, {Kabir G.}",

note = "Funding Information: This work was supported by by funds from the University of Minnesota, Stanford University, and NSF Award DBI 1249341 [KGP] and NSF LTER Grant DEB number 0620652 [JCB]. Publisher Copyright: {\textcopyright} FEMS 2015. All rights reserved.",

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doi = "10.1093/femsec/fiv148",

language = "English (US)",

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AU - Cavender-Bares, Jeannine M.

AU - Peay, Kabir G.

N1 - Funding Information: This work was supported by by funds from the University of Minnesota, Stanford University, and NSF Award DBI 1249341 [KGP] and NSF LTER Grant DEB number 0620652 [JCB]. Publisher Copyright: © FEMS 2015. All rights reserved.

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N2 - Influences of soil environment and willow host species on ectomycorrhizal fungi communities was studied across an hydrologic gradient in temperate North America. Soil moisture, organic matter and pH strongly predicted changes in fungal community composition. In contrast, increased fungal richness strongly correlated with higher plant-available phosphorus. The 93 willow trees sampled for ectomycorrhizal fungi included seven willow species. Host identity did not influence fungal richness or community composition, nor was there strong evidence of willow host preference for fungal species. Network analysis suggests that these mutualist interaction networks are not significantly nested or modular. Across a strong environmental gradient, fungal abiotic niche determined the fungal species available to associate with host plants within a habitat.

AB - Influences of soil environment and willow host species on ectomycorrhizal fungi communities was studied across an hydrologic gradient in temperate North America. Soil moisture, organic matter and pH strongly predicted changes in fungal community composition. In contrast, increased fungal richness strongly correlated with higher plant-available phosphorus. The 93 willow trees sampled for ectomycorrhizal fungi included seven willow species. Host identity did not influence fungal richness or community composition, nor was there strong evidence of willow host preference for fungal species. Network analysis suggests that these mutualist interaction networks are not significantly nested or modular. Across a strong environmental gradient, fungal abiotic niche determined the fungal species available to associate with host plants within a habitat.

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KW - Host preference

KW - Mutualism network

KW - Niche

KW - Salix

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ER -

Soil moisture and chemistry influence diversity of ectomycorrhizal fungal communities associating with willow along an hydrologic gradient

Abstract

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Keywords

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