Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Erosion reduces soil microbial diversity, network complexity and multifunctionality

Liping Qiu, Qian Zhang, Hansong Zhu, Peter B. Reich, Samiran Banerjee, Marcel G. A. van der Heijden, Michael J. Sadowsky, Satoshi Ishii, Xiaoxu Jia, Mingan Shao, Baoyuan Liu, Huan Jiao, Haiqiang Li, Xiaorong Wei

The ISME Journal · 2021

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Summary

This study examined the impact of soil erosion on soil microbial communities and ecosystem functions at two geographically and edaphically contrasting field sites. Eroded soils exhibited significantly reduced microbial diversity, lower network complexity, and altered community composition compared to non-eroded controls, with losses of dominant bacterial phyla but increases in some N-cycling families. The authors demonstrate a strong relationship between erosion-driven changes in microbial characteristics and reduced soil multifunctionality, indicating that erosion poses a substantial threat to soil ecosystem services.

Regional applicability

The study was conducted at two sites with contrasting soil textures and climates, suggesting moderate transferability to United Kingdom conditions where soil erosion is a significant problem, particularly in arable and upland areas. However, the specific sites' locations are not detailed in the abstract; confirmation of whether either site was in the United Kingdom would strengthen applicability to UK soil conservation and restoration policy.

Key measures

Microbial network complexity, microbial taxa richness, microbial community composition (relative abundances of phyla including Proteobacteria, Bacteroidetes, Gemmatimonadetes, and families such as Acetobacteraceae and Beijerinckiaceae), associations among microbial taxa, soil multifunctionality

Outcomes reported

The study measured microbial community composition, network complexity, taxonomic diversity, and soil multifunctionality in eroded versus non-eroded plots at two contrasting sites. Changes in microbiota characteristics were assessed in relation to erosion-induced shifts in soil functions.

Theme
Farming systems, soils & land use
Subject
Soil biology & microbiology
Study type
Research
Study design
Field trial
Source type
Peer-reviewed study
Status
Published
Geography
International
System type
Other
DOI
10.1038/s41396-021-00913-1
Catalogue ID
BFmowc2dp6-xdhehi

Topic tags

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