喀斯特山区耕地“非粮化”空间分布特征及驱动机制研究

——以黔南州为例

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关键词：耕地“非粮化”；空间分布；驱动因素；喀斯特山区；黔南州

中图分类号：F323.211 文献标识码：A

文章编号：0439-8114（2025）06-0065-07

DOI：10.14088/j.cnki.issn0439-8114.2025.06.012

开放科学（资源服务）标识码（OSID）：

Study on the spatial distribution characteristics and driving mechanism of “non-grain conversion” of cropland in Karst mountain area： A case study of Qiannan Prefecture

ZHANG Hui'，CHEN Yang'，WANG Bin2 ，LIU Yi-xiang² （1.Guizhou Institute of Natural Resources Survey and Planning，Guiyang 55oooo，China; 2.Natural Resources Bureau of Qiannan Prefecture，Qiannan 558ooo，Guizhou，China）

Abstract：Basedon2O13croplanddataand2O23landusedatafrom QiannanPrefecture，thespatialdistributioncharacteristicsof “non-grainconversion”ofcroplandwereanalyzedusing thelanduse transitionmatrix.Acomputationalmodelwasestablishedtoquantifythecroplandnon-grainconversionrate，andthedrivingefectsoffivefactors，includingcroplandslope，quality，distaceto roads，distancetoselements，anddistancetowatersoures，eresysematicallyinvestigated.Tesultssowedtatteoain conversion area of cropland in Qiannan Prefecture from 2013 to 2O23 was I 67210.34hm2 ，and the non-grain conversion rate was （204号 31.89% .The“non-grainconversion”ofcroplandwasdominatedbythetransformationofcroplandtoforestlandandorchards，whichaccounted for 98.52% of the total“non-grain conversion”ofcropland area.The non-grain conversion rate exhibited a significant positive corelationithdecliingrolandqualityncreasingspesteepess，andgeaterdisancstooads，setlements，ndwateou es.Theinfluence weightsof thesefivefactorson“nongrainconversion”ofcroplandwere0.31，0.25，0.19，O.15，andO.10spc tively.Amongthem，theinfluence weightsofnaturalconditionfactors（croplandqualityandslopestepness）on“non-grainconversion”of cropland reached 0.56.

KeyWords：“non-grainconversion”ofcropland；spatialdistribution；drivingfactor;Karstmountainousarea；QiannanPrefecture

中国高度重视耕地“非粮化"问题，积极调研耕地"非粮化”，寻找耕地“非粮化"问题的解决路径，国内专家学者从多角度研究耕地“非粮化”成因问题，但喀斯特山区耕地“非粮化"现象依然普遍存在，治理耕地“非粮化”仍然存在较多困难。（剩余8914字）