Evidence map›Paper›PMID 42174009›Full record

ArticleScientific reports2026

Ecological risk assessment of rare earth elements in agricultural soils adjacent to an abandoned coal gangue pile in Chongqing, Southwest China.

Maochao Zhang, Lihua Peng, Hong Li, Liusan Cheng, Mingqiu Wang

Abstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Maochao ZhangQingyuan Polytechnic, Qingyuan, 511510, Guangdong, China. zhangmc@126.com.
Lihua PengQingyuan Polytechnic, Qingyuan, 511510, Guangdong, China.
Hong LiChongqing Vocational Institute of Engineering, Chongqing, 402260, China.
Liusan ChengChongqing Vocational Institute of Engineering, Chongqing, 402260, China.
Mingqiu WangChongqing Vocational Institute of Engineering, Chongqing, 402260, China.

Funding

the Characteristic Innovation Projects in Ordinary Universities in Guangdong Province (Natural Science) 2023KTSCX387the Science and the Technology Research Program of Chongqing Municipal Education Commission KJQN202203406the Science and the Technology Research Program of Chongqing Municipal Education Commission KJQN202503406
6 · The paper itself

Abstract

Rare earth elements plus yttrium (REYs) are increasingly recognized as emerging contaminants, yet their ecological risks in agricultural soils remain are poorly understood. This study assessed REY contamination and ecological risk in agricultural soils adjacent to an abandoned coal gangue pile in a post-coal-mining area of Chongqing, Southwest China. Geochemical characteristics, together with stratigraphic and paleogeographic context and multivariate statistical analysis, suggest that coal gangue likely serve as a conduit for REYs sourced from volcanic materials associated with the Emeishan Large Igneous Province (ELIP) and their weathering products into nearby soils. Pollution indices indicate site-wide REY contamination. The pollution load index (PLI) values of 1.72-3.30 (mean 2.19) classified all soils as polluted. Element-specific geoaccumulation index (I

Indexed as

Agricultural soilsCoal ganguePotential ecological riskRare earth elements

Identifiers

PMID42174009
PMCPMC13408990

What OpenQuestion holds

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LicenceCC BY-NC-ND
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.