A Closer Examination of the ‘Abundant-Center’ for Ectomycorrhizal Fungal Community Associated With Picea crassifolia in China

A long-standing hypothesis in biogeography predicts that a species’ abundance is highest at the center of its geographical range and decreases toward its edges. In this study, we test the abundant-center hypothesis of ectomycorrhizal (ECM) fungal communities associated with Picea crassifolia, an end...

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Main Authors: Xiaobing Wang, Qisheng Han
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-02-01
Series:Frontiers in Plant Science
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fpls.2022.759801/full
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author Xiaobing Wang
Qisheng Han
author_facet Xiaobing Wang
Qisheng Han
author_sort Xiaobing Wang
collection DOAJ
description A long-standing hypothesis in biogeography predicts that a species’ abundance is highest at the center of its geographical range and decreases toward its edges. In this study, we test the abundant-center hypothesis of ectomycorrhizal (ECM) fungal communities associated with Picea crassifolia, an endemic species widely distributed in northwest China. We analyzed the taxonomic richness and the relative abundance of ECM fungi in four main distribution areas, from center to edges. In total, 234 species of ECM fungi were detected, and of these, 137 species were shared among all four sites. Inocybe, Sebacina, Tomentella, and Cortinarius were the dominant genera. ECM fungal richness and biodiversity were highest at the central and lower at peripheral sites. Our results indicated that ECM fungal species richness was consistent with the abundant-center hypothesis, while the relative abundances of individual fungal genera shifted inconsistently across the plant’s range.
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spelling doaj.art-92925d99484b4e1691ab4cc9672df53f2022-12-21T20:20:57ZengFrontiers Media S.A.Frontiers in Plant Science1664-462X2022-02-011310.3389/fpls.2022.759801759801A Closer Examination of the ‘Abundant-Center’ for Ectomycorrhizal Fungal Community Associated With Picea crassifolia in ChinaXiaobing Wang0Qisheng Han1School of Civil Engineering and Architecture, Xinxiang University, Xinxiang, ChinaFarmland Irrigation Research Institute, Chinese Academy of Agricultural Sciences, Xinxiang, ChinaA long-standing hypothesis in biogeography predicts that a species’ abundance is highest at the center of its geographical range and decreases toward its edges. In this study, we test the abundant-center hypothesis of ectomycorrhizal (ECM) fungal communities associated with Picea crassifolia, an endemic species widely distributed in northwest China. We analyzed the taxonomic richness and the relative abundance of ECM fungi in four main distribution areas, from center to edges. In total, 234 species of ECM fungi were detected, and of these, 137 species were shared among all four sites. Inocybe, Sebacina, Tomentella, and Cortinarius were the dominant genera. ECM fungal richness and biodiversity were highest at the central and lower at peripheral sites. Our results indicated that ECM fungal species richness was consistent with the abundant-center hypothesis, while the relative abundances of individual fungal genera shifted inconsistently across the plant’s range.https://www.frontiersin.org/articles/10.3389/fpls.2022.759801/fullectomycorrhizal fungiabundance-centre hypothesisPicea crassifoliarichnesscommunity structure
spellingShingle Xiaobing Wang
Qisheng Han
A Closer Examination of the ‘Abundant-Center’ for Ectomycorrhizal Fungal Community Associated With Picea crassifolia in China
Frontiers in Plant Science
ectomycorrhizal fungi
abundance-centre hypothesis
Picea crassifolia
richness
community structure
title A Closer Examination of the ‘Abundant-Center’ for Ectomycorrhizal Fungal Community Associated With Picea crassifolia in China
title_full A Closer Examination of the ‘Abundant-Center’ for Ectomycorrhizal Fungal Community Associated With Picea crassifolia in China
title_fullStr A Closer Examination of the ‘Abundant-Center’ for Ectomycorrhizal Fungal Community Associated With Picea crassifolia in China
title_full_unstemmed A Closer Examination of the ‘Abundant-Center’ for Ectomycorrhizal Fungal Community Associated With Picea crassifolia in China
title_short A Closer Examination of the ‘Abundant-Center’ for Ectomycorrhizal Fungal Community Associated With Picea crassifolia in China
title_sort closer examination of the abundant center for ectomycorrhizal fungal community associated with picea crassifolia in china
topic ectomycorrhizal fungi
abundance-centre hypothesis
Picea crassifolia
richness
community structure
url https://www.frontiersin.org/articles/10.3389/fpls.2022.759801/full
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