黄河砒砂岩区土地利用生态系统服务价值响应  

Response to the Value of Land Use Ecosystem Services in the Sandstone Area of the Yellow River

作　　者：曹倡景 张璐[1] 梁通 张攀[2] 韩珈琦 杨文杰[1] Cao Changjing;Zhang Lu;Liang Tong;Zhang Pan;Han Jiaqi;Yang Wenjie(North China University of Water Resources and Hydropower,Zhengzhou 450046,China;Yellow River Water Conservancy Research Institute,Yellow River Water Conservancy Commission,Zhengzhou 450003,China)

机构地区：[1]华北水利水电大学,郑州450046 [2]黄河水利委员会黄河水利科学研究院,郑州450003

出　　处：《水土保持研究》2024年第5期337-343,共7页Research of Soil and Water Conservation

基　　金：国家自然科学基金“砒砂岩区坡沟系统微地形—土壤—植被空间耦合机理研究”(32101591);国家重点研发计划课题“风水复合侵蚀协同阻控机制”(2022YFF1300805)。

摘　　要：[目的]探究生态系统服务价值对土地利用变化的响应并预测未来变化的趋势,为砒砂岩区土地利用格局规划提供科学参考。[方法]以砒砂岩区2000—2021年四期遥感影像为基础,基于GIS技术和ESV评估方法,分析了20年来LUCC与ESV的变化特征,探究LUCC引起的ESV的响应关系,并利用马尔科夫模型对两者的发展趋势进行了预测。[结果](1) 2000—2020年,LUCC总面积保持不变,建设用地增幅最明显,共增加762.73 km^(2),增长率达4.57%;草地减幅最明显,共降低548.79 km^(2),减少率达3.28%。(2) ESV整体水平呈下降趋势,从199.496 5亿元下降到189.971 9亿元,下降4.78%,其中,草地ESV变化最大,减少7.462 9亿元,占总体下降率的78.35%。(3) ESV与草地、林地、耕地、水域及建设用地面积变化呈正相关,与未利用地呈负相关。(4)经预测,未来10年耕地、林地、草地、水域面积会下降至2020年的96.69%,98.94%,94.27%,99.12%;建设用地、未利用地会增加至150.03%,121.61%,砒砂岩地区整体ESV水平会继续减少至92.81%。[结论]耕地、林地、草地和水域的面积在减少,建设用地及未利用地的面积会增加,ESV会持续减少,ESV变化与土地利用变化之间呈线性关系,未来建设用地的面积会增加,ESV会继续减少,合理调节建设用地的面积有利于黄河砒砂岩区生态建设和植被恢复重建。[Objective] The aims of this study are to explore the response of ecosystem service value to land use change and predicting future trends,and to provide scientific reference for land use pattern planning in the arsenic sandstone area.[Methods] Based on the remote sensing images of the four phases of sandstone area from 2000 to 2020,the change characteristics of LUCC and ESV in the past 20 years were analyzed based on GIS technology and ESV evaluation methods.The response of LUCC induced by ESV was revealed.The development trend of LUCC and ESV was predicted by using Markov model.[Results](1) In 2000—2020,the total area of LUCC remained unchanged,and the increase of construction land was the most obvious,with a total increase of 762.73 km^(2) and a growth rate of 4.57%.The grassland decreased by 548.79 km^(2) in total,with a reduction rate of 3.28%.(2) The overall level of ESV showed a downward trend,from 19 949.65 million yuan to 18 997.19 million yuan,a decrease of 4.78%,of which grassland ESV changed the most,decreasing by 746.29 million yuan,accounting for 78.35% of the overall decline rate.(3) ESV was positively correlated with the changes in grassland,woodland,cultivated land,water area and construction land,and negatively correlated with unused land.(4) It is predicted that the area of cultivated land,forest land,grassland and water area will decrease to 96.69%,98.94%,94.27% and 99.12% of those in 2020 in the next 10 years.Construction land and unused land will increase to 150.03% and 121.61%,and the overall ESV level in sandstone area will continue to decrease to 92.81%.[Conclusion] The areas of cultivated land,forest land,grassland,and water are decreasing,while the area of construction land and unused land will increase.ESV will continue to decrease,and there is a linear relationship between ESV changes and land use changes.In the future,the area of construction land will increase,and ESV will continue to decrease.Reasonably adjusting the area of construction land is beneficial for ecological construct

关 键 词：砒砂岩 土地利用/覆被变化 生态系统服务价值 黄河流域 

分 类 号：S157.1[农业科学—土壤学]