黄河干流沿线生态系统服务价值动态评估  被引量:5

Dynamic Evolution of Ecosystem Service Values Along the Main Stream of Yellow River Basin Based on Land Use Change

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作  者:胥芝韵[1] 肖旭峰[2] 赵真 XU Zhiyun;XIAO Xufeng;ZHAO Zhen(Jiangxi Biotech Vocational College,Nanchang 330200,China;School of Agricultural Sciences,Jiangxi Agricultural University,Nanchang 330033,China;College of Water Conservancy and Hydropower,Hohai University,Nanjing 210098,China)

机构地区:[1]江西生物科技职业学院,江西南昌330200 [2]江西农业大学农学院,江西南昌330033 [3]河海大学水利水电学院,江苏南京210098

出  处:《人民黄河》2022年第11期88-93,105,共7页Yellow River

基  金:国家自然科学基金资助项目(41877147);江西省高校人文社会科学研究项目(JY20254)。

摘  要:以黄河干流沿线为研究区,基于1980年、2000年、2018年土地利用数据,分析了研究区土地利用变化情况,并结合当量因子法和空间自相关分析法评价了生态系统服务价值(ESV)的时空演变特征。结果表明:1980—2018年黄河干流沿线耕地、湿地和未利用地面积减小,林地、草地、水体和建设用地面积增大;2000—2018年综合土地利用动态度最大;土地利用转移主要是耕地转移为建设用地、未利用地转移为草地、草地转移为耕地和未利用地;1980—2018年ESV呈先减小后增大的趋势,总体增加了128.037亿元;草地和林地是ESV的主要贡献者,对黄河干流沿线生态系统稳定性的维持至关重要;保持土壤为主导生态系统服务,对ESV的贡献最大;黄河干流沿线地均ESV呈显著空间正相关性,并在局域空间上集聚;高高集聚区分布在青海省果洛州、黄南州、海东市,甘肃省甘南州以及山西省运城市;低低集聚区分布在河南省开封市、新乡市和濮阳市,山东省菏泽市、聊城市和济南市。The land use change along the main stream of the Yellow River was analyzed based on the land use data from 1980,2000 and 2018,and the spatiotemporal evolution characteristics of ecosystem service values(ESV)were evaluated by combining the equivalent factor method and spatial autocorrelation analysis method.The results show that the area of farmland,wetland and unused land is decreased,and the area of forestland,grassland,water bodies and construction land is increased along the main stream of the Yellow River from 1980 to 2018.The integrated land use dynamic attitude is the largest from 2000 to 2018.The land use transfer is mainly the conversion of farmland to construction land,the conversion of unused land to grassland,and the conversion of grassland to farmland and unused land.From 1980-2018,the ESV shows a trend of decreasing and then increasing,with an overall increase of 12.8037 billion Yuan.Grassland and forestland are the main contributors to ESV,which are crucial to the maintenance of ecosystem stability in the main stream of the Yellow River.Soil conservation as the dominant ecosystem service contributes the most to ESV.The average ESV along the main stream of the Yellow River shows a significant positive spatial correlation and clusters in local space.High⁃high clustering areas are stably distributed in Guoluo,Huang⁃nan and Haidong of Qinghai Province,Gannan of Gansu Province and Yuncheng of Shanxi Province.Low-low clustering areas are mainly stably distributed in Kaifeng,Xinxiang and Puyang of Henan Province and Heze,Liaocheng and Jinan of Shandong Province.The results of the study can provide a scientific basis for ecological protection planning in the Yellow River Basin.

关 键 词:土地利用类型 生态系统服务价值 空间自相关 黄河干流 

分 类 号:X171[环境科学与工程—环境科学] X826[水利工程—水利水电工程] TV882.1

 

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