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基于生态系统服务供需的农牧交错带流域生态修复分区

高嫄 原野 赵艺芳

高嫄,原野,赵艺芳.基于生态系统服务供需的农牧交错带流域生态修复分区:以桑干河上游为例[J].环境工程技术学报,2023,13(3):1214-1222 doi: 10.12153/j.issn.1674-991X.20220387
引用本文: 高嫄,原野,赵艺芳.基于生态系统服务供需的农牧交错带流域生态修复分区:以桑干河上游为例[J].环境工程技术学报,2023,13(3):1214-1222 doi: 10.12153/j.issn.1674-991X.20220387
GAO Y,YUAN Y,ZHAO Y F.Ecological restoration zoning in farming-grazing transitional zone based on the supply and demand of the ecosystem services: a case study of the upper reaches of the Sanggan River[J].Journal of Environmental Engineering Technology,2023,13(3):1214-1222 doi: 10.12153/j.issn.1674-991X.20220387
Citation: GAO Y,YUAN Y,ZHAO Y F.Ecological restoration zoning in farming-grazing transitional zone based on the supply and demand of the ecosystem services: a case study of the upper reaches of the Sanggan River[J].Journal of Environmental Engineering Technology,2023,13(3):1214-1222 doi: 10.12153/j.issn.1674-991X.20220387

基于生态系统服务供需的农牧交错带流域生态修复分区—以桑干河上游为例

doi: 10.12153/j.issn.1674-991X.20220387
基金项目: 国家自然科学基金项目(41907408);山西省高等学校科技创新项目(2019L0496)
详细信息
    作者简介:

    高嫄(1997—),女,硕士研究生,主要从事国土空间规划与国土空间生态修复研究,1422881311@qq.com

    通讯作者:

    原野(1989—),男,副教授,主要从事国土空间规划与国土空间生态修复研究,yuanye2452@163.com

  • 中图分类号: X522

Ecological restoration zoning in farming-grazing transitional zone based on the supply and demand of the ecosystem services: a case study of the upper reaches of the Sanggan River

  • 摘要:

    基于农牧交错带流域生态本底和社会经济特征开展生态修复分区研究,有助于维护农牧交错带生态安全和社会经济可持续发展。以地处农牧交错带的桑干河上游为例,选取土地利用、气象观测、统计年鉴等多源数据,基于InVEST模型和ArcGIS空间分析模块探讨2020年桑干河上游碳固持、食物供给、产水和土壤保持这4项生态系统服务供需空间分布格局,并通过象限匹配法和耦合协调度模型进行生态修复分区研究。结果表明:2020年桑干河上游4项典型生态系统服务供给的空间分布与流域地形地貌基本保持一致,形成一个环绕桑干河主干道的半闭环式的高值带,需求的高值区则与人口密集区基本吻合。桑干河上游生态系统服务供需匹配类型以高供给-高需求和高供给-低需求的匹配类型为主,供需耦合协调度平均值为0.23,处于轻度失调状态,生态系统服务供需错配现状突出。根据桑干河上游生态系统服务供需匹配和耦合协调关系及社会经济特征,将桑干河上游划分为5个生态修复区,即神头泉域生态修复区、北部古长城沿线生态屏障带、大同盆地防风固沙区、内长城沿线水源涵养和生物多样性保护区、桑干河水生态修复与生态多样性保护带,并通过搭配组合“辅助再生、自然恢复、生态重建、保护保育”等生态修复措施,提升各分区以固碳保持、耕地保护、水源涵养、水土保持为主的生态功能。

     

  • 图  1  研究区位置与地形

    Figure  1.  Location and terrain of the study area

    图  2  桑干河上游生态系统服务供给空间格局

    Figure  2.  Spatial pattern of ecosystem service supply in the upper reaches of Sanggan River

    图  3  桑干河上游生态系统服务需求空间格局

    Figure  3.  Spatial pattern of ecosystem service demand in the upper reaches of Sanggan River

    图  4  桑干河上游14个县(区)生态系统服务供需象限

    Figure  4.  Supply and demand quadrant of ecosystem services in 14 counties (districts) in the upper reaches of Sanggan River

    图  5  桑干河上游生态系统服务供需关系空间分布

    Figure  5.  Spatial distribution of ecosystem service supply and demand in the upper Reaches of Sanggan River

    图  6  桑干河上游生态修复分区

    Figure  6.  Zoning of ecological restoration in the upper reaches of Sanggan River

    表  1  桑干河上游生态修复分区及特征

    Table  1.   Ecological restoration zoning and characteristics in the upper reaches of Sanggan River

    分区编号一级区名称面积/km2生态服务供需匹配特征生态服务供需耦合特征生态修复策略
    神头泉域生态修复区3 218.68高供给-低需求濒临失调辅助再生+自然恢复
    北部古长城沿线生态屏障带3 478.12高供给-低需求濒临失调辅助再生
    大同盆地防风固沙区8 003.82高供给-高需求轻度失调辅助再生+生态重建
    低供给-高需求严重失调
    内长城沿线水源涵养和生物多样性保护区3 699.99高供给-低需求基本协调保护保育+自然恢复+辅助再生
    桑干河水生态修复与生态多样性保护带1 065.55高供给-高需求轻度失调辅助再生+生态重建
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  • 收稿日期:  2022-04-25

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