中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Revealing the process and mechanism of non-grain production of cropland in rapidly urbanized Deqing County of China

文献类型:期刊论文

作者Dai, Chun1,2; Liu, Yaqun2; Wang, Jieyong2
刊名JOURNAL OF ENVIRONMENTAL MANAGEMENT
出版日期2025-02-01
卷号374页码:123948
关键词Non-grain production of cropland Agricultural location NGPCL type classification Remote sensing Influencing factors Multinomial logit regression
ISSN号0301-4797
DOI10.1016/j.jenvman.2024.123948
产权排序1
文献子类Article
英文摘要Non-grain production of cropland (NGPCL) is a common consequence of rapid urbanization, but excessive NGPCL threatens food security and sustainable cropland use. However, the evolutionary processes and mechanisms of different NGPCL types remain largely unknown, compromising the scientific basis for NGPCL management. Thus, taking rapidly urbanized Deqing as the study area, this research constructed an NGPCL theoretical framework from the perspective of agricultural location, classified NGPCL types using Landsat images, random forest algorithm and Google Earth Engine, and revealed their spatiotemporal changes and different influencing factors through the Multinomial Logit Regression model, and provided targeted zoning and categorized policy suggestions. Our constructed theoretical framework modeled NGPCL by the complex interactions among geographical location, natural conditions, socioeconomic levels, and policy forces. From 2000 to 2022, NGPCL in Deqing County had a high degree and significantly increased from 68.65% to 89.19%. Pond farming and horticultural crops increased by 4046.46 ha (38.0%) and 1307 ha (27.1%), while tree planting slightly decreased by 54 ha (-2.5%). However, these NGPCL expansions resulted in a drastic decrease of 5299 ha (-65.5%) in grain crops plantation. Different NGPCL types showed varied spatial distribution characteristics and differentiated driving mechanism. Horticultural crops depended on geographical location and socioeconomic factors and were widely planted near towns and roads with high population density and economic strength. Pond farming mainly extended along the eastern flat rivers and relied on resource endowment. Tree planting was closely related to the natural condition and was concentrated in the sparsely populated mountainous areas. The NGPCL is the result of balancing various factors, and under conditions of extremely scarce cropland resources, the Chinese government needs to strike a reasonable threshold for non-grain production and propose targeted policies of zoning classification to prevent excessive NGPCL from threatening grain yield security.
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WOS关键词PERIURBAN AGRICULTURE ; CULTIVATED LAND ; LOGISTIC-REGRESSION ; FOOD ; DIVERSIFICATION ; DETERMINANTS ; CONVERSION ; POLICY ; CONSEQUENCES ; EXPANSION
WOS研究方向Environmental Sciences & Ecology
语种英语
WOS记录号WOS:001414434500001
出版者ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
源URL[http://ir.igsnrr.ac.cn/handle/311030/213327]  
专题区域可持续发展分析与模拟院重点实验室_外文论文
通讯作者Wang, Jieyong
作者单位1.Univ Maryland Ctr Environm Sci, Appalachian Lab, Frostburg, MD 21532 USA
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, A11, Datun Rd, Beijing 100101, Peoples R China;
推荐引用方式
GB/T 7714
Dai, Chun,Liu, Yaqun,Wang, Jieyong. Revealing the process and mechanism of non-grain production of cropland in rapidly urbanized Deqing County of China[J]. JOURNAL OF ENVIRONMENTAL MANAGEMENT,2025,374:123948.
APA Dai, Chun,Liu, Yaqun,&Wang, Jieyong.(2025).Revealing the process and mechanism of non-grain production of cropland in rapidly urbanized Deqing County of China.JOURNAL OF ENVIRONMENTAL MANAGEMENT,374,123948.
MLA Dai, Chun,et al."Revealing the process and mechanism of non-grain production of cropland in rapidly urbanized Deqing County of China".JOURNAL OF ENVIRONMENTAL MANAGEMENT 374(2025):123948.

入库方式: OAI收割

来源:地理科学与资源研究所

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