ZOU Xinyi,ZHAO Wei,PU Haixia.Spatiotemporal Differentiation of Land Use Transformation and Ecological Service Function Value in Chongqing Section of the Three Gorges Reservoir[J].Research of Soil and Water Conservation,2021,28(02):267-275.
三峡库区重庆段土地利用转型及生态服务功能价值时空分异特征
- Title:
- Spatiotemporal Differentiation of Land Use Transformation and Ecological Service Function Value in Chongqing Section of the Three Gorges Reservoir
- 文章编号:
- 1005-3409(2021)02-0267-09
- Keywords:
- Chongqing section of the Three Gorges Reservoir; land use transformation; ESV; spatiotemporal differentiation
- 分类号:
- F301.24; F062.2
- 文献标志码:
- A
- 摘要:
- 为充分掌握土地系统与生态系统时空分异特征,推动自然生态系统和社会经济系统长期协调发展,以三峡库区(重庆段)为研究对象,基于土地利用数据,考虑土地利用转入转出双过程,挖掘空间置换的土地利用转移,采用Costanza的生态系统服务价值当量法,探讨了2005—2018年研究区土地利用转型时空特征及其生态系统服务价值时空变化特征,并运用空间自相关理论定量研究了生态系统服务价值空间分布关系及土地利用与生态价值间的空间响应特征。结果表明:研究区近15 a间耕地转出幅度最大,建设用地转入幅度最高; 土地利用转型活跃程度与生态系统服务价值变化空间分布一致。生态系统服务价值量先增后减,以巫溪—涪陵为界,西低东高,西减东增; 生态系统服务价值强度的空间分布具有显著的正向空间自相关关系,聚集趋势明显; 土地利用程度与ESV具有显著空间负效应,极显著相关区域主要位于主城区范围、江津北侧及研究区东北边缘等地区。
- Abstract:
- In order to fully grasp the temporal and spatial differentiation characteristics of land systems and ecosystems, and promote the long-term coordinated development of natural ecosystems and social economic systems, we took the Three Gorges Reservoir area(Chongqing section)as the research site, and used Costanza's Ecosystem Service Value Equivalent Method to explore the spatial and temporal characteristics of land use transition and the ecosystem service value(ESV)in the study area from 2005 to 2018 based on land use data. The spatial auto-correlation theory was used to quantitatively explore the spatial distribution relationship of ecosystem service values and the spatial response characteristics between land use and ecological value, with a view to providing scientific support for optimizing urban spatial development models and promoting the coordinated and sustainable development of urban social ecology. The results suggest that the research area had the largest transfer rate of cultivated land and the highest transfer rate of construction land in the past 15 years; the active degree of land use transformation was consistent with the spatial distribution of ecosystem service value changes. The value of ecosystem services increased first and then decreased. Wuxi-Fuling was taken as the boundary, value of ecosystem services was low in the west and was high in the east, and it decreased in west and increased in the east; the spatial distribution of the value intensity of ecosystem services had a significant positive spatial autocorrelation, and the aggregation trend was obvious; land use degree and ESV had a significant spatial negative effect, and the most significant related areas were mainly located in the main urban area, the north of Jiangjin and the northeast edge of the research area.
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备注/Memo
收稿日期:2020-04-29 修回日期:2020-05-07
资助项目:重庆市教委哲学社会科学重大理论研究课题(19SKZDZX10); 重庆工商大学研究生创新型项目(yjscxx2019-101-60); 重庆市教委人文社科项目(20SKGH099)
第一作者:邹欣怡(1996—),女,四川南充人,硕士研究生,研究方向为环境规划与管理。E-mail:792449430@qq.com
通信作者:赵伟(1982—),男,江苏连云港人,博士,副教授,主要从事土地与环境规划研究。E-mail:21145291@qq.com