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

Ecological evolution during the three-year restoration using rhizosphere soil cover method at a Lead-Zinc tailing pond in Karst areas

Xusheng Jiang, Guo Yu, Haixiang Li, Xiangmin Li, Jie Liu

The Science of The Total Environment · 2022

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Summary

This three-year field study documents the ecological recovery of a lead-zinc tailings pond in karst terrain using rhizosphere soil cover, a bioengineering method that harnesses root zone microbial activity to stabilise and revegetate contaminated mining sites. The authors tracked changes in soil microbial ecology and chemical properties to assess restoration trajectories and the effectiveness of the intervention in mining-affected geologically sensitive landscapes. The work contributes empirical evidence on the capacity of rhizosphere-based remediation to support ecological recovery in contaminated mining environments.

UK applicability

The specific karst geology and lead-zinc mining context are not typical of most UK mining-affected sites, though rhizosphere-based soil restoration principles may have relevance to UK brownfield remediation and post-industrial land recovery. UK applicability would depend on whether similar bioengineering approaches have been validated in temperate climates and on regulatory acceptance of the method for contaminant stabilisation.

Key measures

Soil microbial community structure and abundance; soil chemical properties including heavy metal concentrations; soil pH and nutrient content; vegetation cover and species composition; as suggested by the three-year longitudinal monitoring design

Outcomes reported

The study tracked ecological and chemical changes in contaminated tailings over three years following rhizosphere soil cover application. Measurements likely included soil microbial community composition, soil chemistry (heavy metal concentrations, pH, nutrient status), and vegetation establishment and diversity.

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
Other
DOI
10.1016/j.scitotenv.2022.158291
Catalogue ID
SNmohxvkb7-k2weue

Topic tags

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