基于景观格局的左江流域景观生态风险评价

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关键词：景观格局；左江流域；景观生态风险评价

中图分类号：P901 文献标识码：A 文章编号：1008-9500（2025）04-0217-07

DOI：10.3969/j.issn.1008-9500.2025.04.060

Landscape Ecological Risk Assessment of Zuojiang River Basin Based on Landscape Pattern

WUYuhua，JIANGZhuoyue，HUANGQiuxia，LIUXia，HEJinni，HOUXiaohui，QIUJianying，HUANGCunmei （College of History Culture and Tourism，Guangxi Minzu Normal University，Chongzuo5322oo， China）

Abstract：Inordertoensurethehealthand stabilityof theecosysteminthe ZuojiangRiverbasinandimprove thelevel of landuse planningand management，thelandusedataforthethree periodsof2Ooo，2O10，and 2O2Oareusedas the basis，using landscapedisturbance index，landscapevulnerabilityindex，andlandscapeloss indexasevaluationindicators， alandscape ecological risk assessment model isconstructed to evaluate the landscapeecological risk in the Zuojiang Riverbasin from20O to2020.Research has shown thatthelandscape ecological risk index inthe Zuojiang Riverbasin isinfluencedbynaturalfactorsandhumanctivitiesinspatialdistribution，withthenorthwestregionsignificantlyhigher thanthecentraland southernregions.In2O2O，thearea ofecological risk zones below moderateecological risk was ，accounting for 7 6 . 7 % of the study area.The land use types in the research area are mainly cultivated land and forest land，in 2O2O，the total area of forestland and cultivated land was ，accounting for 9 2 . 9 % of the researcharea.Asaregionwith frequent humanactivities，the landscape patern changes in the Zuojiang River basinare closely related to human activities.

eywords：landscape pattern; Zuojiang River basin;landscape ecological risk assessmei

景观生态风险是指在特定区域内由自然或人为干扰因素引发的潜在威胁，这些威胁可能对景观生态系统的结构、功能及稳定性造成损害，进而影响其健康、生产力和美学价值，甚至对人类社会产生负面影响[1-5]。（剩余6591字）