湖南省多尺度生态系统服务供需关系及影响因素

杨君; 唐兴隆; 袁淑君; 孙颖; 刘畅; 王义博

doi:10.13961/j.cnki.stbctb.2023.06.033

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湖南省多尺度生态系统服务供需关系及影响因素

试验研究

- 湖南省多尺度生态系统服务供需关系及影响因素
- Supply and Demand of Multi-scale Ecosystem Services and Their Influencing Factors in Hu'nan Province
- 水土保持通报 2023年43卷第6期页码：272-281
- 作者机构：
  
  1. 湖南农业大学资源学院,湖南,长沙,410128
  2. 湖南工程职业技术学院,湖南,长沙,410000
- 作者简介：
- 基金信息：
  
  湖南省自然资源厅科技计划项目“洞庭湖区城镇化与土地生态服务价值耦合关系研究”（20230175LY）;2023年湖南省研究生科研创新项目“湖南省多尺度生态系统服务供需关系及影响因素研究”（CX20230735）
- DOI：10.13961/j.cnki.stbctb.2023.06.033
  中图分类号： X171.1
- 纸质出版：2023
- 稿件说明：
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杨君, 唐兴隆, 袁淑君, 等. 湖南省多尺度生态系统服务供需关系及影响因素[J]. 水土保持通报, 2023,43(6):272-281.

Yang Jun, Tang Xinglong, Yuan Shujun, et al. Supply and Demand of Multi-scale Ecosystem Services and Their Influencing Factors in Hu'nan Province[J]. Bulletin of Soiland Water Conservation, 2023, 43(6): 272-281.
杨君, 唐兴隆, 袁淑君, 等. 湖南省多尺度生态系统服务供需关系及影响因素[J]. 水土保持通报, 2023,43(6):272-281. DOI： 10.13961/j.cnki.stbctb.2023.06.033.

Yang Jun, Tang Xinglong, Yuan Shujun, et al. Supply and Demand of Multi-scale Ecosystem Services and Their Influencing Factors in Hu'nan Province[J]. Bulletin of Soiland Water Conservation, 2023, 43(6): 272-281. DOI： 10.13961/j.cnki.stbctb.2023.06.033.

摘要

[目的] 分析生态系统服务供需分布格局及主要驱动因素，为区域生态保护实践、生态环境改善提供科学参考。[方法] 借助InVEST模型、ArcGIS等工具，评估湖南省2000—2020年粮食生产、碳固持、水源涵养、土壤保持以及生境质量共5项生态系统服务供需量，分析其时空演变规律和空间匹配关系，在网格尺度和县域尺度运用最优参数地理探测器模型探究影响生态系统服务供需比的驱动因子。[结果] ①湖南省生态系统服务供给总量均大于需求总量，碳固持服务和生境质量服务供给量以及水源涵养服务需求量下降，其他生态系统服务供需量均上升。②湖南省各项生态系统服务供需分布、供需比集聚特征以及供需空间匹配空间异质性明显。③两种尺度生态系统服务供需比主导因子有一定差异，社会经济因子在县域尺度上的影响较网格尺度更为显著；土地利用因子与其他因子的交互作用对生态系统服务供需比空间分异解释力较高。[结论] 不同尺度生态系统服务供需矛盾突出，未来各级政府应制定更加精确的生态管理措施，并以此为基础促进区域土地合理利用，最终达到区域绿色发展的目标。

Abstract

[Objective] The distribution pattern of ecosystem service supply and demand and their main driving factors were analyzed in order to provide a scientific reference for regional ecological protection practices and ecological environmental improvement. [Methods] The supply and demand of five ecosystem services in Hu'nan Province from 2000 to 2020 were assessed

including food production

carbon sequestration

water conservation

soil conservation

and habitat quality by use of the InVEST model

ArcGIS

and other tools to analyze their spatial and temporal evolution patterns and spatial matching relationships

and to determine the driving factors affecting the supply-demand ratios of ecosystem services at the grid scale and county scale using an optimal parameter geodetector model. [Results] ① The total supply of ecosystem services in Hu'nan Province was greater than the total demand. The supply of carbon sequestration services and habitat quality services as well as the demand for water conservation services decreased over time

while the supply and demand of other ecosystem services increased. ② The distribution of supply and demand of various ecosystem services in Hu'nan Province

the clustering characteristics of supply-demand ratios

and the spatial heterogeneity of the spatial matching of supply and demand were obvious. ③ There were some differences in the dominant factors of ecosystem service supply-demand ratios between the two scales

and the influence of socio-economic factors was more significant at the county scale than at the grid scale. The interaction between land use factors and other factors explained the spatial variation of ecosystem service supply-demand ratios more strongly. [Conclusion] The contradiction between supply and demand of ecosystem services at different scales was exceptional

and government agencies at all levels should develop more precise ecological management practices in the future

and use them as a basis to promote the rational use of regional land and to ultimately achieve the goal of regional green development.

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