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

Genetic lineages and ecological gradients co-determine the trophic niches of earthworms

Tingting Xiao, Zhili Feng, Zhuoma Wan, Bing Zhang, Olaf Schmidt, Donghui Wu, Yahya Kooch

Soil Biology and Biochemistry · 2025

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Summary

This 2025 study investigates how earthworm trophic niches—their feeding strategies and ecological roles in soil—are co-determined by genetic lineage and environmental gradients. The work suggests that both evolutionary ancestry and local soil conditions shape earthworm functional diversity, a finding relevant to understanding soil biological activity across farming systems. The integration of genomic and ecological approaches contributes to mechanistic understanding of soil fauna ecology.

UK applicability

UK earthworm communities vary widely by soil type and farming practice; these findings may help explain variation in earthworm function across UK arable, grassland and mixed farms. However, the study appears China-based, and genetic lineages and ecological gradients differ between regions, so direct application to UK soils would require validation.

Key measures

Earthworm trophic niche metrics, genetic lineage classification, soil ecological gradients (likely including soil properties, organic matter availability, or microbial communities)

Outcomes reported

The study examined how earthworm genetic lineages and soil ecological gradients jointly shape the trophic niches (feeding roles and resource use) of earthworm communities. As suggested by the title, the research quantified the relative contributions of evolutionary history and environmental context to earthworm functional ecology.

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
China
System type
Mixed farming
DOI
10.1016/j.soilbio.2025.109884
Catalogue ID
SNmoqqrwgv-lwhkl6

Topic tags

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