Zou Yongcai,Lan Anjun,Fan Zemeng,et al.Evaluation of Landscape Ecological Security and Its Coupling Characteristics Analysis in Guizhou Province from the Perspective of Production-Living-Ecology Space[J].Research of Soil and Water Conservation,2024,31(03):432-442.[doi:10.13869/j.cnki.rswc.2024.03.045]
“三生空间”视角下贵州省景观生态安全评价及其耦合特征分析
- Title:
- Evaluation of Landscape Ecological Security and Its Coupling Characteristics Analysis in Guizhou Province from the Perspective of Production-Living-Ecology Space
- 文章编号:
- 1005-3409(2024)03-0432-11
- Keywords:
- karst; production-living-ecology space; landscape ecological security; coupling coordination; Guizhou Province
- 分类号:
- X826
- 文献标志码:
- A
- 摘要:
- [目的]探究喀斯特生态脆弱区景观生态安全格局演变规律,对喀斯特区域生态文明建设和生态风险防控具有指导意义。[方法]以贵州省为研究对象,从“三生空间”视角出发,基于景观生态学理论,借助耦合协调模型,分析了贵州省近20年景观生态安全时空变化机理和耦合协调特征。[结果](1)2000—2020年,贵州省以林地生态空间为主,占国土空间总面积53%以上,工业生产和城镇生活用地快速增长,导致城乡生活空间向外扩张挤占农业生产和林地生态空间。(2)2000—2020年期间贵州省景观生态安全整体处于向好发展,南部景观生态安全等级总体优于北部地区。(3)2000—2020年贵州省景观生态安全的Moran's I值分别为0.340,0.400,0.414,空间相关性显著,“高—高”和“低—低”值为主要空间集聚模式,局部空间自相关分布格局与景观生态安全分布有较高的一致性。(4)贵州省“生产—生活—生态”空间景观生态安全的耦合协调度水平良好,在空间上呈现出“西高东低,北高南低”的分布特征。[结论]人类经济活动和城镇化的快速推进会改变区域土地利用格局,从而影响区域景观生态安全及耦合协调性,因此需要优化区域生产—生活—生态空间格局,提高土地资源使用效率,促进贵州省生态安全建设和土地资源可持续发展。
- Abstract:
- [Objective] The aim of this study is to explore the evolution of landscape ecological security pattern in karst ecologically fragile areas, which is of guiding significance for the construction of ecological civilization and ecological risk prevention and control in karst regions. [Methods] Guizhou Province was taken as the research object. From the perspective of production-living-ecology space, based on the theory of landscape ecology and with the help of coupling coordination model, the spatiotemporal variation mechanism and coupling coordination characteristics of landscape ecological security in Guizhou Province in the past 20 years were analyzed. [Results](1)From 2000 to 2020, The ecological space of forest land in Guizhou Province was dominant, accounting for more than 53% of the total land space, and the rapid growth of industrial production and urban living land led to the expansion of urban and rural living space and crowded out agricultural production and forest land ecological space.(2)From 2000 to 2020, the overall landscape ecological security of Guizhou Province was in a good development, and the overall level of landscape ecological security in the south was better than that in the northern region.(3)The Moran's I values of landscape ecological security in Guizhou Province from 2000 to 2020 were 0.340, 0.400 and 0.414, respectively, with significant spatial correlations, and the values of ‘high-high level' and ‘low-low level' were the main spatial agglomeration patterns, and the local spatial autocorrelation distribution pattern was consistent with the distribution of landscape ecological security.(4)The coupling and coordination level of ecological security of ‘production-life-ecology' spatial landscape in Guizhou Province was good, and it showed the distribution characteristics of ‘high level in the west and low level in the east, high level in the north and low level in the south' in space. [Conclusion] The rapid advancement of human economic activities and urbanization will change the regional land use pattern, thereby affecting the regional landscape ecological security and coupling coordination, so it is necessary to optimize the spatial pattern of regional production-life-ecology, improve the efficiency of land resource use, and promote the ecological security construction and sustainable development of land resources in Guizhou Province.
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备注/Memo
收稿日期:2023-06-05 修回日期:2023-06-26
资助项目:国家自然科学基金“生态过渡带土地覆盖变化情景模拟及归因研究”(41971358)
第一作者:邹永偲(1998—),男,贵州盘州人,硕士研究生,主要研究方向为地理信息系统与遥感。E-mail:1121073517@qq.com
通信作者:兰安军(1974—),男,贵州黔南人,副教授,硕士,主要从事喀斯特环境遥感研究。E-mail:493486980@qq.com