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开孔河流域土地利用/覆被变化的区域生态系统服务价值变化 被引量:2

Change of Regional Ecosystem Service Value of Land Use/Cover Change in Kaikong River Basin
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摘要 基于1990~2015年开孔河流域不同时期的遥感影像数据对各土地利用类型进行了分类,对生态系统服务价值系数进行了修正,分析了开孔河流域生态系统服务价值变化与土地利用/覆被变化之间的联系。结果表明:25年内,开孔河流域耕地、湿地、沙漠和建设用地面积增加,草地、林地、水域、未利用地及盐碱化地面积减少,呈“四增五减”的状态;研究期间,各土地利用类型的生态系统服务功能价值由高到低分别为:草地、湿地、林地、水域、耕地、未利用地、沙漠、建设用地及盐碱化地;通过敏感性分析得出各土地利用类型敏感性指数均小于1,表明各土地利用类型生态系统服务价值对生态系统服务总价值的影响较小,缺乏弹性,研究结果可信。 The remote-sensing image data of the Kaikong River Basin in different periods from 1990 to 2015 was taken as the basis to classify the land-use type and modify the ecosystem services value coefficient.The relationship between the ecosystem services value change and land use and land cover change in the Kaikong River Basin was analyzed.The results showed that within 25 years,in the Kaikong River Basin,areas of arable land,wetland,desert and construction land had been increased and areas of grassland,woodland,water area,unused land and saline and alkaline land had been decreased,showing the state of“four increase and five decrease”.During the research period,the ecosystem services values of all land-use types were grassland,wetland,woodland,water area,arable land,unused land,desert,construction land and saline and alkaline land from high to low.It could be obtain from the sensitivity analysis that all the sensitivity indexes of all land-use types were<1.The results show that the ecosystem services value of each land-use type had little influence on the total ecosystem services value slightly with no elasticity,and the research results were credible.
作者 古丽米热·艾尔肯 帕茹克·吾斯曼江 阿依吐尔逊·沙木西 Gulimire Aierken;Paruke Wusimanjiang;Ayituerxun Shamuxi(College of Management,Xinjiang Agricultural University,Urumqi 830052,China)
出处 《江西农业学报》 CAS 2020年第8期118-124,共7页 Acta Agriculturae Jiangxi
基金 新疆维吾尔自治区自然科学基金少数民族特配项目“塔里木河流域未利用土地转型及其生态服务价值变化研究”(2017D03017)。
关键词 土地利用/覆被变化 生态系统服务价值 开孔河流域 Land use/land cover change Ecosystem services value Kaikong river basin
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