基于景觀格局的左江流域景觀生態(tài)風(fēng)險(xiǎn)評(píng)價(jià)

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關(guān)鍵詞：景觀格局；左江流域；景觀生態(tài)風(fēng)險(xiǎn)評(píng)價(jià)

中圖分類號(hào)：P901 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：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

景觀生態(tài)風(fēng)險(xiǎn)是指在特定區(qū)域內(nèi)由自然或人為干擾因素引發(fā)的潛在威脅，這些威脅可能對(duì)景觀生態(tài)系統(tǒng)的結(jié)構(gòu)、功能及穩(wěn)定性造成損害，進(jìn)而影響其健康、生產(chǎn)力和美學(xué)價(jià)值，甚至對(duì)人類社會(huì)產(chǎn)生負(fù)面影響[1-5]。（剩余6591字）