[1]贾丹,覃发超*. 政策驱动下孙水河流域生态系统服务价值变化[J].西北林学院学报,2022,37(6):258-265.[doi:10.3969/j.issn.1001-7461.2022.06.34]
　JIA Dan,QIN Fa-chao*. Changes of Ecosystem Service Value Under Policy-Driven in Sunshui River Basin[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2022,37(6):258-265.[doi:10.3969/j.issn.1001-7461.2022.06.34]
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 政策驱动下孙水河流域生态系统服务价值变化()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第37卷
期数:
2022年第6期
页码:
258-265
栏目:
出版日期:
2022-11-30

文章信息/Info

Title:
 Changes of Ecosystem Service Value Under Policy-Driven in Sunshui River Basin
文章编号:
1001-7461(2022)06-0258-08
作者:
 贾丹1; 3; 4; 覃发超2; 3; 4*
 （1.西华师范大学 生命科学学院，四川 南充 637009；2.西华师范大学 地理科学学院，四川 南充 637009；3.西华师范大学 四川省干旱河谷土壤侵蚀监测与控制工程实验室，四川 南充 637009；4.大小凉山干旱河谷土壤侵蚀监测与生态修复野外科学观测研究站，四川 喜德 616753）
Author(s):
 JIA Dan1; 3; 4; QIN Fa-chao2; 3; 4*
 (1.College of Life Science,China West Normal University,Nanchong 637009,Sichuan,China; 2.College of Geographical Science,China West Normal University,Nanchong 637009,Sichuan,China; 3.Sichuan Provincial Engineering Laboratory of Monitoring and Control for Soil Erosion on Dry Valleys,Nanchong 637009,Sichuan,China; 4.Liangshan Soil Erosion and Ecological Restoration in Dry Valleys Observation and Research Station,Xide 616753,Sichuan,China)
关键词:
 ; 生态系统服务价值; 时空变化; 政策驱动; 孙水河流域
Keywords:
 ; ecosystem service value;  spatial-temporal evolution;  policy-driven;  Sunshui River Basin
分类号:
F307.2
DOI:
10.3969/j.issn.1001-7461.2022.06.34
文献标志码:
A
摘要:
 为探究政策对区域生态系统服务价值及可持续发展的影响，基于四川省凉山州孙水河流域1990-2020年土地利用遥感解译数据，利用土地利用动态度研究孙水河流域土地利用类型变化程度，利用当量因子法、热点分析法探究孙水河流域生态系统服务价值时空变化特征，并利用地理探测器分析其驱动因素。结果表明，1)1990-2020年孙水河流域土地利用类型以林地为主，土地利用类型之间转换剧烈；2)从时间尺度看，1990-2020年孙水河流域生态系统服务价值累计增长2.55亿元，增长率6.4%，调节服务功能起到了关键作用；3)空间尺度上，有2/3的乡镇生态系统服务价值均增加，分布在流域中部及西北部，变化热点区位于北部光明镇和冕山镇；4)孙水河流域生态系统服务价值的空间分异主要受社会经济因素影响，尤其是人为干扰因素，而退耕还林、脱贫攻坚等政策的实施会深刻影响人为干扰指数、人口密度及地均GDP等社会经济因素，因此政策成为生态系统服务价值空间分异的重要驱动力。研究结果对于地方政府制定生态环境保护政策具有参考价值。
Abstract:
 In order to understand the impacts of the government policy on regional ecosystem service value (ESV) and sustainable development,based on the land use data of Sunshui River Basin from 1990 to 2020,using the land use change degree,this paper explored the change between land-use types,and used the equivalent factor method,hot spot analysis and geographical detector to explore the spatiotemporal evolution and heterogeneity of ESV in the basin.The results showed that 1) during 1990-2020,the major land use pattern in the basin was woodland,and the land use structure changed significantly.2) From the perspective of spatiotemporal scale,the ESV of the basin increased by 255 million yuan RMB in 30 years,increased by 6.4%,contributing a prominent regulation on function and service.3) From spatial scale,the ESV at the township level changed obviously,and over two-thirds townships in the basin showed a rising trend,which were located in the middle and northwest of the basin.4) The spatial differentiation of ESV in the basin was influenced by social and economic factors,among which the human disturbance factor had the greatest impact on the spatial differentiation of ecosystem service.The implementations of the government policies,including "converting farmland to forest and grassland","poverty alleviation" greatly influenced the social and economic factors such as human disturbance,per capita GDP and population density,which promoted the spatial differentiation of ESV.Our work may provide a theoretical basis for the precise and diversified regulation of ecosystem functions in Sunshui River Basin.

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备注/Memo

备注/Memo:
 收稿日期：2022-01-18修回日期：2022-05-24
基金项目：四川省自然资源科研项目(KJ-2022-13)；西华师范大学科研创新团队项目(KCXTD2022-1)；四川省科技厅重点研发项目(2018SZ0337)。
第一作者：贾丹。研究方向：水土保持与生态修复。E-mail:jdnice@126.com
*通信作者：覃发超，博士，教授。研究方向：GIS生态应用。E-mail:arcqfc@163.com
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