东北黑土区耕地系统健康评价及障碍因子分析
——以肇源县为例
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关键词：耕地系统；健康评价；压力-状态-响应；障碍因子；东北黑土区 中图分类号：X158;F323.211 文献标志码：A 文章编号：2095-6819（2025）04-0866-11 doi：10.13254/j.jare.2024.0293
Evaluationofcultivated land system healthand diagnosisof itsobstaclefactors in the black soilregionof northeastChina：acasestudyof Zhaoyuan County，China
ZHANGHui，LIUQianqian，LI Yongxue （SchoolofPublic AdministrationandLaw，NortheastAgricultural University，Harbin15oo3o，China）
Abstract：TosientificallyvaluatetecultivatedlandsstehealthinZhaoyuanCountyHeilongjangProvincebasedoaalyingte spatialandtempralchangesofablelandthepresurestateresponsePS）modelasusedtoselect19epresentativedeesto constructanevaluationindexsysmfotelivatedandstalthessthelivatedndstalroO0td furtherdiagnosethemainobstacefctorsfectingthcultivatedsstealthwiththeobstacledegreemodel.Teresultswereafolows： comparedwith2O10，thespatialdistributionpaternofarablelandinZhaoyuanCountyin22Oexpandedtothesouthandthereaof cultivatedlandincreased.FromOOtoOOtheoveralloftecultivatedlandsystemhealthinZhaoyuanCountyshowedadownward trend，withthealtdeoftheliatedlndsstedcliinfro.5to.485.reoerteiatedlandstalh wascharactedybviosspatialdiereiton，tespaaltrutionpatedgaduallyevoldfroiginesothdlowin the north tohighintheeastandlowinthewest.From2O10to2O2O，thepresureonthecultivatedlandsystemin ZhaoyuanCounty decreasedasahole，ndthecultivatedlandsstemadbecoelessfunctioallystableandlessabletcope.From20tteuse ofdieselfuelavyetaltamationofilgiculualetricityupplyeopofploysinearytooil organicmaterndsilpHwereidntifdastheprimarytaclestomaintaiingiatedlandsyteealthTesudyocueat theoverallcultivatedlandsystemshealthinZhaoyuanCountywaslowandshowedadecreasingtrendoverthestudyperiod.Several obstacleshinderedtheimprovementofthecultivatedlandsystemsealthTherefore，inhefutureutlizationandmanagementofthe cultivatedlandsstes，wesouldontiuetoopulaieonsevatiotilgetcholoymprovefrlandifrastructurendiase financialandtechnologicalinputsinordertoimprovethehealthlevelofcultivatedlandsystemsandensurenationalfoodscurity. Keywords：cultivatedlandsystem;healthassessment;presure-state-response;obstaclefactor;northeastblack soilarea
耕地作为粮食生产的重要载体，是土地资源的精华。（剩余17323字）
