长江中游流域水资源禀赋特征及其与自然保护地的空间关系研究

【目的】定量分析长江中游流域水资源禀赋格局及其与自然保护地的空间关系,为流域型自然保护地的合理规划与布局提供科学依据。【方法】通过构建水资源禀赋综合评价模型,结合ArcGIS技术,从数量和密度的角度定量揭示长江中游流域水资源禀赋格局与不同类型自然保护地的空间关系。【结果】长江中游流域水资源高、较高、中、较低和无禀赋区分别占研究区的2.61%、29.13%、40.01%、18.58%和9.67%,其中高禀赋区位于鄱阳环湖,无禀赋区位于唐白河流域;除地质公园外,其他自然保护地均与水资源禀赋存在较高空间关系,且在不同类型水资源及其生态系统功能、社会经济价值方面表现的相关性具有明显差异;具有水资源高禀赋的鄱阳南湖和较高禀赋的梁子湖群四级流域自然保护地分布极少,应加强对该地区水资源的保护和开发管控力度。【结论】结合ArcGIS技术,以自然保护为目标的水资源禀赋综合评价模型能够定量揭示水资源禀赋格局与快速识别其保护空缺现状,有利于我国水资源保护与流域型自然保护地体系建设。

Research on the characteristics of water resources endowments and its spatial relationship with natural protected areas in the middle Yangtze River basin

【Objective】The aim of this work is to conduct a quantitative analysis of the endowment pattern of water resources in the middle Yangtze River basin and its spatial relationship with natural protected areas. This would provide a scientific basis for the rational planning and layout of basin-type natural protected areas. 【Method】By constructing a comprehensive evaluation model of water resource endowments and combining ArcGIS technology, the relationship between water resource endowment patterns and different types of natural protected areas in the middle Yangtze River basin was quantitatively revealed from the perspective of quantity and density. 【Result】The higher, high, medium, low and no endowment areas in the middle Yangtze River basin accounted for 2.61%, 29.13%, 40.01%, 18.58% and 9.67% of the study area, respectively. The high endowment area was located in Poyang Lake, and the no endowment area was located in the Tangbai River basin. Except for geoparks, other natural protected areas had a high coupling relationship with water resource endowments, and there were obvious differences in the correlations between different types of water resources and their ecosystem functions and social and economic values.South Poyang Lake and the Liangzi Lake Group, which had a high endowment of water resources, had very few natural protected areas in the fourth-level basin, and the protection and development control of water resources in this area should be strengthened. 【Conclusion】A comprehensive evaluation model of water resource endowments with nature conservation as the goal, combined with ArcGIS technology, can quantitatively reveal the pattern of water resource endowments and quickly identify its conservation vacancy status, which is conducive to the construction of water resources protection and basin-type nature reserve systems in China.