Evidence map›Paper›PMID 40269217›Full record

ArticleScientific reports2025

Spatial-temporal distribution of farmland occupation and compensation and its impact on ecological service value in China from 1990 to 2021.

Yuhao Li, Shuhui Shangguan, Wenyu Li, Shuang Liu, Yijin Li, Rui Han, Jingwen Xu

Abstract read
In one paragraph

Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
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1 · What the graph read from it

What it found

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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

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3 · Its place in the literature

Who cites it

3 citing papers in PubMed.

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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

7 authors.

Yuhao LiCollege of Resources, Sichuan Agricultural University, Chengdu, 611130, Sichuan, People's Republic of China.
Shuhui ShangguanCollege of Resources, Sichuan Agricultural University, Chengdu, 611130, Sichuan, People's Republic of China.
Wenyu LiCollege of Resources, Sichuan Agricultural University, Chengdu, 611130, Sichuan, People's Republic of China.
Shuang LiuInstitute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu, 610299, Sichuan, People's Republic of China.
Yijin LiCollege of Resources, Sichuan Agricultural University, Chengdu, 611130, Sichuan, People's Republic of China.
Rui HanInstitute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences (CAAS), Beijing, 100081, People's Republic of China.
Jingwen XuCollege of Resources, Sichuan Agricultural University, Chengdu, 611130, Sichuan, People's Republic of China. 11893@sicau.edu.cn.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Land transformation during global urbanization has led to a sharp decrease in farmland, causing not only food security issues but also ecological problems. To address this issue, the Chinese government has implemented the Requisition-Compensation Balance Policy for Farmland (RCBF) in 1997. This policy effectively curbed the reduction of farmland, but the compensated land often comes from mountainous and desert areas, leading to fragmentation of farmland and subsequent ecological security issues. The balance between farmland requisition and compensation is closely related to ecological security. However, current research on farmland occupation and compensation is mostly based on farmland area. The area occupied and compensated for by farmland in different regions is inconsistent, and using only net increase or decrease in area to represent farmland occupation and compensation cannot accurately and fairly compare the degree of farmland occupation and compensation between regions. Therefore, this study has proposed a novel index to measure the balance of farmland requisition and compensation-the Farmland Requisition and Compensation Index (FOCI). FOCI can transform dimensional expressions that represent the area of farmland occupation and compensation into dimensionless expressions, namely scalars, which makes it possible to visually and fairly compare the degree of farmland occupation in each region. Then, this new index has been used to investigate the spatiotemporal evolution of farmland requisition and compensation in China at the national and provincial levels over the past 30 years (1990-2021), as well as the impact of this change on the fragmentation of farmland landscape and ecological service value. The results indicate that (1) FOCI shows a trend of first decreasing and then increasing at both national and provincial scales; (2) Provinces with increasing FOCI are mainly concentrated in the southeast and northwest regions, while significant decreases in FOCI are observed in the southwest region, indicating a shift of the FOCI center of gravity towards the southeast; (3) FOCI and farmland landscape fragmentation are significantly positively correlated spatially, suggesting that provinces with higher levels of farmland requisition and compensation also exhibit higher levels of farmland landscape fragmentation; (4) FOCI and ecological service value are significantly negatively correlated spatially, indicating that provinces with higher levels of farmland requisition and compensation have lower ecological service values, with these areas mainly concentrated in the northwest region of China. In general, FOCI has the advantage of eliminating the dimensional influence in different regions and could be a reliable alternative for evaluating the balance of farmland requisition and compensation between regions.

Indexed as

Dynamic equilibrium of farmland occupation compensationEcological service valueFarmland landscapeFarmland occupation compensation index

Identifiers

PMID40269217
PMCPMC12019147

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