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Soil fungal networks are more sensitive to grazing exclusion than bacterial networks.


ABSTRACT: Soil microbial communities play a crucial role in ecological restoration, but it is unknown how co-occurrence networks within these communities respond to grazing exclusion. This lack of information was addressed by investigating the effects of eight years of grazing exclusion on microbial networks in an area of Stipa glareosa P. Smirn desert steppe in northern China. Here, we show that fungal networks were more sensitive to grazing exclusion than bacterial networks. Eight years of grazing exclusion decreased the soil fungal community stability via changes in plant composition and reductions in soil total organic carbon, in this case triggering negative effects on the S. glareosa desert steppe. The results provide new insights into the response mechanisms of soil microbes to grazing exclusion and offer possible solutions for management issues in the restoration of degraded desert steppe.

SUBMITTER: Chen L 

PROVIDER: S-EPMC7505065 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Soil fungal networks are more sensitive to grazing exclusion than bacterial networks.

Chen Lingling L   Shi Jiajia J   Bao Zhihua Z   Baoyin Taogetao T  

PeerJ 20200918


Soil microbial communities play a crucial role in ecological restoration, but it is unknown how co-occurrence networks within these communities respond to grazing exclusion. This lack of information was addressed by investigating the effects of eight years of grazing exclusion on microbial networks in an area of <i>Stipa glareosa</i> P. Smirn desert steppe in northern China. Here, we show that fungal networks were more sensitive to grazing exclusion than bacterial networks. Eight years of grazin  ...[more]

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