Relationship Between Ecological Service Value and Interval Compensation in Shaanxi Section of Weihe River Basin Based on Temporal and Spatial Evolution

Wang Haodong; Wang Ni; Wang Quanxi

doi:10.13961/j.cnki.stbctb.20220704.001

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Relationship Between Ecological Service Value and Interval Compensation in Shaanxi Section of Weihe River Basin Based on Temporal and Spatial Evolution

- Relationship Between Ecological Service Value and Interval Compensation in Shaanxi Section of Weihe River Basin Based on Temporal and Spatial Evolution
- Bulletin of Soiland Water Conservation Vol. 42, Issue 6, Pages: 304-311(2022)
- 作者机构：
  
  1. 西安理工大学水利水电学院,陕西,西安,710048
  2. 西安理工大学省部共建西北旱区生态水利国家重点实验室,陕西,西安,710048
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.20220704.001
  CLC： X321
- Published：2022
- 稿件说明：
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Wang Haodong, Wang Ni, Wang Quanxi. Relationship Between Ecological Service Value and Interval Compensation in Shaanxi Section of Weihe River Basin Based on Temporal and Spatial Evolution[J]. Bulletin of Soiland Water Conservation, 2022, 42(6): 304-311.
DOI：

Wang Haodong, Wang Ni, Wang Quanxi. Relationship Between Ecological Service Value and Interval Compensation in Shaanxi Section of Weihe River Basin Based on Temporal and Spatial Evolution[J]. Bulletin of Soiland Water Conservation, 2022, 42(6): 304-311. DOI： 10.13961/j.cnki.stbctb.20220704.001.

摘要

[目的] 对渭河流域陕西段生态服务价值及区间补偿关系进行研究，为促进区域生态经济协同发展及生态环境建设提供理论指导。[方法] 基于渭河流域陕西段土地利用数据，通过土地利用动态度、当量因子法和重心模型法对生态系统服务价值(ESV)及其空间分布和时空演变情况进行研究，并结合优先级进行补偿关系分析。 [结果] ① 在退耕还林工程和城市化快速推进的影响下，空间数量上耕地的减少与建设用地的增加比较明显，其中建设用地单一动态度达到了5.94%，表现最为活跃；演变程度上草地、水体和其他用地更加剧烈。 ② 渭河流域陕西段ESV从562.07亿元减少为516.21亿元，下降幅度超过8%，其中水资源供给和水文调节等功能服务价值降低，林地的增加使气候调节和土壤保持等功能服务价值上升；空间分布上ESV呈现“中间低四周高”的格局；建设用地重心迁移和标准差椭圆体现出其具有东北方向移动趋势且区域范围持续扩大。 [结论] 周至县和太白县为优先受偿区，蓝田县、陇县和凤县为次级受偿区，应及时获得补偿来保证生态质量；雁塔区等11个地区为补偿区，应提供补偿资金来以维持整体生态建设。

Abstract

[Objective] The ecological service value and interval compensation relationship of Shaanxi section of Weihe River basin were studied in order to provide theoretical guidance for promoting the coordinated development of regional ecological economy and ecological environment construction. [Methods] Based on the land use data of Shaanxi section of Weihe River basin

the ecosystem service value (ESV) and its spatial distribution and spatio-temporal evolution were studied by using land use dynamics

equivalent factor method and barycenter model method

and the compensation relationship was analyzed with priority. [Results] ① Under the influence of the project of returning farmland to forest and the rapid progress of urbanization

the reduction of cultivated land and the increase of construction land in spatial quantity were obvious

among which the single dynamic degree of construction land reached 5.94%

which was most active; The grassland

water body and other land use were more intense in the degree of evolution. ② The ESV in Shaanxi section of the Weihe River basin decreased from 56.207 billion yuan to 51.621 billion yuan

a decrease of more than 8%. Among them

the value of functional services such as water supply and hydrological regulation decreased

and the increase of forest land increased the value of functional services such as climate regulation and soil conservation; The spatial distribution of ESV showed a pattern of “low in the middle and high around”; The shift of the center of gravity and the standard deviation ellipse of the construction land reflect that it has the trend of moving in the northeast direction and the regional scope continues to expand. [Conclusion] Zhouzhi County and Taibai County were the priority compensation areas. Lantian County

Long County and Feng County were the secondary compensation areas

and compensation should be obtained in time to ensure ecological quality. Yanta District and 11 other regions were compensation areas

and compensation funds should be provided to maintain the overall ecological construction.

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