Indicator species and co-occurrence in communities of arbuscular mycorrhizal fungi at the European scale

被引：38

作者：

Bouffaud, Marie-Lara ^{[1
,2
,3
]}

Creamer, Rachel E. ^{[4
,5
]}

Stone, Dote ^{[4
,6
]}

Plassart, Pierre ^{[1
]}

van Tuinen, Diederik ^{[1
]}

Lemanceau, Philippe ^{[1
]}

Wipf, Daniel ^{[1
]}

Redecker, Dirk ^{[1
]}

机构：

[1] Univ Bourgogne Franche Comte, INRA, CNRS, AgroSup Dijon,Agroecol, F-21000 Dijon, France

[2] UFZ Helmholtz Ctr Environm Res, Dept Soil Ecol, D-06120 Halle, Saale, Germany

[3] German Ctr Integrat Biodivers Res iDiv, D-04103 Leipzig, Germany

[4] TEAGASC, Environm Res Ctr, Wexford, Ireland

[5] Wageningen Univ, Wageningen, Netherlands

[6] Univ Leeds, Leeds LS2 9JT, W Yorkshire, England

来源：

SOIL BIOLOGY & BIOCHEMISTRY | 2016年 / 103卷

基金：

欧盟第七框架计划;

关键词：

Arbuscular mycorrhizal fungi; ITS; 454; pyrosequencing; European scale; ECOSYSTEM FUNCTION; GLOBAL DIVERSITY; LAND-USE; SOIL; REVEALS; BIODIVERSITY; ASSOCIATIONS; ENVIRONMENT;

D O I：

10.1016/j.soilbio.2016.09.022

中图分类号：

S15 [土壤学];

学科分类号：

0903 ; 090301 ;

摘要：

Utilizing a European transect of 54 soil samples, comprising of grasslands, arable and forest sites, we analyzed community composition of Arbuscular Mycorrhizal Fungi (AMF, Glomeromycota) using pyrosequencing of the Internal Transcribed Spacer region. We found a significant influence of environmental factors (soil pH and organic carbon or land use) on the community composition, but these factors did not fully explain the overall amount of AMF diversity. Geographical distance of sites also significantly affected community structure, indicating significant dispersal limitations of Glomeromycota at the European scale. Indicator species have been proposed by land use and physicochemical soil parameters. Generalist species were also identified, that were found occurring in a large proportion of the sample sites. By co-occurrence analysis of species pairs we show that, at this spatial scale, closely-related species are more likely to co-occur than distantly-related ones. This suggests that environmental filtering is a more dominant driving force in community assembly than fungal competition. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：464 / 470

页数：7

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