Impacts of Land Use Change on Value of Ecosystem Services in Chengdu-Chongqing Economic Zone

Dong Huizhong; Yao Mengchao

doi:10.13961/j.cnki.stbctb.2020.01.031

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Impacts of Land Use Change on Value of Ecosystem Services in Chengdu-Chongqing Economic Zone

- Impacts of Land Use Change on Value of Ecosystem Services in Chengdu-Chongqing Economic Zone
- Bulletin of Soiland Water Conservation Vol. 40, Issue 1, Pages: 213-220(2020)
- 作者机构：
  
  山东理工大学管理学院,山东,淄博,255000
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2020.01.031
  CLC： X24
- Published：2020
- 稿件说明：
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Dong Huizhong, Yao Mengchao. Impacts of Land Use Change on Value of Ecosystem Services in Chengdu-Chongqing Economic Zone[J]. Bulletin of Soiland Water Conservation, 2020, 40(1): 213-220.
DOI：

Dong Huizhong, Yao Mengchao. Impacts of Land Use Change on Value of Ecosystem Services in Chengdu-Chongqing Economic Zone[J]. Bulletin of Soiland Water Conservation, 2020, 40(1): 213-220. DOI： 10.13961/j.cnki.stbctb.2020.01.031.

摘要

[目的] 评价成渝经济区土地利用变化引起的生态系统服务价值演变及其敏感性，以期为优化区域土地资源配置，保护生态环境，促进成渝经济区可持续发展提供理论支撑和经验借鉴。[方法] 以成渝经济区为研究对象，基于2005，2011，2017年3期的Landsat TM/ETM/OLI遥感影像数据，借助ArcGIS分析土地利用变化和生态系统服务价值的演变过程，并运用交叉敏感性系数法，研究土地利用变化对生态系统服务价值的敏感性程度。[结果] ①成渝经济区的土地利用之间的转换主要发生在耕地、林地、草地和建设用地之间，且耕地的土地利用动态度较大，约为40%；②研究期内，成渝经济区生态系统服务价值略有波动，呈现总体上升趋势，其中林地和耕地对生态系统服务价值的贡献率超过90%；③成渝经济区土地利用中水域与耕地之间的转换，交叉敏感性由2005年的2.06增加到2017年的2.15，表现出较强的敏感程度且有升高的趋势，水域与建设用地的转换导致的生态系统服务价值下降且交叉敏感性较强烈，意味着高强度的人类活动对生态系统服务价值产生较大影响。[结论] 应制定合理的土地利用政策，优化土地利用结构，实现成渝经济区生态环境一体化协调发展。

Abstract

[Objective] The ecosystem service value and the sensitivity of ecosystem service values to land use changes in Chengdu-Chongqing economic zone were evaluated to provide scientific references for optimizing the allocation of regional land resources

protecting the environment

and promoting sustainable development.[Methods] Chengdu-Chongqing economic zone was selected as a case study. The evolution of land use type changes and ecosystem service values were studied using ArcGIS software

based on the Landsat TM/ETM/OLI remote sensing image data of 2005

2011

and 2017. The sensitivity of land use type change to the ecosystem service value was analyzed using the coefficient of cross-sensitivity.[Results] ① The land use type conversion in the economic zone mainly occurred in cultivated land

forest land

grassland

and construction land

and the land use dynamics of cultivated land was relatively large with a value of about 40%; ②During the research period

the ecosystem service value in the economic zone slightly fluctuated

but showed an upward trend. The forest land and cultivated land contributed to the ecosystem service value for more than 90%; ③The coefficient of cross-sensitivity between water and cultivated land increased from 2.06 in 2005 to 2.15 in 2017 which the type of land use conversion in the economic zone showed high sensitivity and increasing trend. The ecosystem service value caused by the conversion of water and construction land decreased

and the coefficient of cross-sensitivity was high. The results indicate that human activities had a significant impact on the ecosystem service value.[Conclusion] Land use policies should be formulated to optimize land use structures and to manage the development of regional ecological environment integration in the Chengdu-Chongqing economic zone.

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