Spatio-temporal Variation of Ecological Service Values in Lijiang River Basin During 2000—2020

Zhang Junmin; Rong Cheng; Dong Guosong

doi:10.13961/j.cnki.stbctb.2022.05.032

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Spatio-temporal Variation of Ecological Service Values in Lijiang River Basin During 2000—2020

- Spatio-temporal Variation of Ecological Service Values in Lijiang River Basin During 2000—2020
- Bulletin of Soiland Water Conservation Vol. 42, Issue 5, Pages: 256-264(2022)
- 作者机构：
  
  广西师范大学环境与资源学院,广西,桂林,541000
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2022.05.032
  CLC： U412.1
- Published：2022
- 稿件说明：
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Zhang Junmin, Rong Cheng, Dong Guosong. Spatio-temporal Variation of Ecological Service Values in Lijiang River Basin During 2000—2020[J]. Bulletin of Soiland Water Conservation, 2022, 42(5): 256-264.
DOI：

Zhang Junmin, Rong Cheng, Dong Guosong. Spatio-temporal Variation of Ecological Service Values in Lijiang River Basin During 2000—2020[J]. Bulletin of Soiland Water Conservation, 2022, 42(5): 256-264. DOI： 10.13961/j.cnki.stbctb.2022.05.032.

摘要

[目的

]

研究2000—2020年漓江流域生态服务价值(ESV)时空分异格局及变化规律，为优化土地利用结构和实现“双碳”目标提供空间治理方法。[方法

]

基于遥感信息挖掘和地理信息分析平台，用价值核算及其动态度、敏感性分析方法评估生态服务价值，用空间自相关方法研究ESV时空格局，用地理探测方法诊断ESV分异的主导因素及驱动机制。[结果

]

①漓江流域土地利用/覆盖空间异质性显著；林地、耕地面积最大，但变化平稳，建设用地增长迅速。②漓江流域生态服务价值约合3.75×10

元，其中林地、草地的ESV值最高，占总价值的52.44%。其变化呈先迅速增加、后缓慢减少的趋势，其中原材料生产、水土保持价值增强显著，而食物供给、水源涵养价值降低明显。③ESV总体上呈中游低值与上、下游高值的分异格局，表现为正向的空间集聚特征。[结论

]

城镇扩张是漓江流域ESV时空分异及其动态变化的核心驱动，人类活动对ESV的扰动趋向增强。

Abstract

[Objective] The spatio-temporal variation pattern and change law of ecological service value (ESV) in the Lijiang River basin during 2000—2020 were determined in order to provide a spatial governance method for optimizing land use structure and achieving the “dual carbon” goal. [Methods] Based on remote sensing information mining and a geographic information analysis platform

ecological service values were evaluated by value accounting and its dynamic and sensitivity analysis methods. The spatio-temporal pattern of ESV was studied by spatial autocorrelation methods. The leading factors and drivers of ESV differentiation were diagnosed by geographic detection methods. [Results] ① The spatial heterogeneity of land use/cover in the Lijiang River basin was significant. The area of forest land and cultivated land was the largest

and change was stable. The area of construction land grew rapidly. ② The ecological service value for the Lijiang River basin was about 3.75×107 yuan. The ESV of forest land and grassland was the highest

accounting for 52.44% of the total value. The overall change initially increased rapidly and then decreased slowly. The value of raw material production and soil and water conservation increased significantly

while the value of food supply and water conservation decreased significantly. ③ In general

ESV showed a pattern of low values in the midstream region and high values in the upstream and downstream regions

exhibiting a positive spatial agglomeration feature. [Conclusion] Urban expansion is the core driving force of the spatio-temporal differentiation of ESV and its dynamic changes in the Lijiang River basin. Disturbance of ESV by human activities is increasing over time.

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references

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