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

Microbial dispersion constrains soil diversity

Caruso, T. et al.

2017

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Summary

This paper, published in Nature Ecology & Evolution, investigates the mechanisms by which microbial dispersal constrains soil microbial diversity, likely demonstrating that limited dispersal is a significant driver of community composition alongside local environmental factors. The work contributes to a growing body of literature on microbial biogeography, challenging earlier assumptions that microorganisms disperse freely and that 'everything is everywhere'. The findings suggest that spatial processes are ecologically meaningful even at microbial scales, with implications for understanding soil biodiversity patterns.

UK applicability

Whilst the study is likely global or multi-site in scope, its findings on dispersal limitation and microbial diversity are broadly applicable to UK soils, informing understanding of how agricultural management, land use change, and soil disturbance may impede microbial community recovery and diversity maintenance.

Key measures

Soil microbial diversity indices (e.g. alpha and beta diversity); dispersal rate estimates; community composition (likely via amplicon sequencing or similar); potentially distance-decay relationships

Outcomes reported

The study likely examined how dispersal limitation shapes the diversity and community composition of soil microorganisms across spatial scales. It probably quantified the relative contributions of dispersal versus environmental filtering in determining soil microbial community structure.

Theme
Farming systems, soils & land use
Subject
Soil microbiology & ecology
Study type
Research
Study design
Observational field study or modelling-based analysis
Source type
Peer-reviewed study
Status
Published
Geography
Global
System type
Soil ecosystem (non-specific)
Catalogue ID
XL0813

Topic tags

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