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应用生态学报 ›› 2022, Vol. 33 ›› Issue (1): 169-179.doi: 10.13287/j.1001-9332.202201.015

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洞庭湖生态经济区生态系统服务价值的时空演绎及其驱动因素

陈睿1, 杨灿1,2*, 杨艳1, 董祥泽1   

  1. 1中南林业科技大学经济学院, 长沙 410004;
    2湖南绿色发展研究院, 长沙 410004
  • 收稿日期:2021-05-25 接受日期:2021-08-07 出版日期:2022-01-15 发布日期:2022-07-15
  • 通讯作者: * E-mail: greenolivia@126.com
  • 作者简介:陈 睿, 女, 1995年生, 硕士研究生。主要从事生态经济研究。E-mail: 17760451216@163.com
  • 基金资助:
    湖南省哲学社会科学基金项目(19YBA368)、湖南省教育厅科学研究项目(19A515)和湖南省研究生科研创新项目(CX20200738)

Spatial-temporal evolution and drivers of ecosystem service value in the Dongting Lake Eco-economic Zone, China

CHEN Rui1, YANG Can1,2*, YANG Yan1, DONG Xiang-ze1   

  1. 1College of Economics, Central South University of Forestry and Technology, Changsha 410004, China;
    2Hunan Green Development Research Institute, Changsha 410004, China
  • Received:2021-05-25 Accepted:2021-08-07 Online:2022-01-15 Published:2022-07-15

摘要: 伴随城镇化的快速推进,生态系统服务价值(ESV)的时空评估及驱动因子探测对区域社会-经济-生态协调可持续发展具有重要意义。借助洞庭湖生态经济区2005、2010、2015、2018年的遥感解译数据,从3 km×3 km的格网尺度出发,在ArcGIS和GeoDa的技术支撑下,结合当量因子法、空间自相关分析、热点分析等方法来研究洞庭湖生态经济区ESV的时空格局演变,进一步运用地理探测器工具探究ESV空间分异的主导驱动因子及各驱动因子的交互作用机制。结果表明: 2005—2018年,研究区建设用地有最明显的增长态势,增幅高达49.2%,草地和水域呈较大规模减小,其他土地资源变化不显著。研究期间,生态系统服务价值总体逐渐递减,仅未利用地的ESV呈大幅增长态势,其他地类的ESV均呈不同规模的减少态势。研究区ESV总体呈“中间高四周低”的空间分布格局,且ESV空间分布存在显著的集聚效应,但ESV的高值和低值集聚效应均有逐渐弱化的倾向,表明生态价值空间集聚效应逐渐递减。研究区ESV空间分异受自然环境和社会经济因子耦合协调的作用,其中,人为影响指数的贡献最大。

关键词: 土地利用/覆被变化, 生态系统服务价值, 时空格局, 地理探测器, 洞庭湖生态经济区

Abstract: With the rapid urbanization, research on the spatial-temporal evaluation and drivers deduction of ESV is important for regional social-economic-ecological coordinated and sustainable development. Based on remote sensing data of Dongting Lake Eco-economic Zone in four years (2005, 2010, 2015, and 2018), we investigated the spatial-temporal pattern deduction characteristics of ecosystem service value (ESV) from a grid scale of 3 km × 3 km with the technological support of ArcGIS and GeoDa, as well as combining the equivalent factor, spatial auto-correlation and hot-spot analysis method. We further explored the dominant drivers of spatial heterogeneity of ESV and the interaction mechanisms among different drivers using geo-detector. The results showed that, during the study period, the construction land area had the most significant growth by 49.2%. Nevertheless, grassland and water area had a relatively large decrease, while the other land area did not change. The ESV decreased gradually in general during the study period. The ESV of unused land increased rapidly, while that of the other lands all showed decrease to different extents. The overall spatial layout of ESV in the study area was “high in the middle and low in the surroundings”. The spatial cluster effect of ESV was significant, but the cluster effect of high and low values of ESV tended to weaken during the study period, showing a trend of gradually decreasing. The spatial heterogeneity of ESV was affected by the coupling and coordination of natural environmental factors and socio-economic factors in the study area, with largest contribution from the human active index.

Key words: land use/cover change, ecosystem service value, spatial-temporal pattern, geo-detector, Dongting Lake Eco-economic Zone