基于GIS的温州古树资源空间分布特征分析

古树是一种不可再生的具有多重研究价值的资源,是推动乡村振兴战略的重要载体。运用GIS对温州市454株一级古树资源进行空间分布类型、分布密度等进行定量和定性分析,结合古树生长的环境因素,总结古树资源空间分布的特征。结果表明:温州一级古树明显呈现集聚状态,变异系数CV为172%,属于强变异,并形成四大集聚区域。古树资源的分布与生态环境、保护政策等密切相关,山区和水系丰富的区域古树分布较多,保护古树所在的生态环境是古树开发利用的前提。地形地貌、海拔高度、人口密度等因素也影响着古树分布的种类与数量,且呈现一定的规律。

Analysis of Spatial Distribution Characteristics of Ancient Tree Resources in Wenzhou City Based on GIS

Ancient tree is an unrenewable resource with multiple research value and is an important carrier to promote the strategy of rural rejuvenation. In this paper, the spatial distribution type and density of 454 primary first grade ancient trees in Wenzhou were analyzed quantitatively and qualitatively by GIS, and combined with the environmental factors of ancient tree growth, the spatial distribution characteristics of ancient tree resources are summarized. The results show that the first grade ancient trees of Wenzhou are obviously concentrated, with a variation coefficient of 172%, strongly mutated, and forming four agglomerations. The distribution of ancient tree resources is closely related to the ecological environment and protection policies. There are many ancient trees distributed in the mountainous and water rich areas, so protecting the ecological environment of ancient trees is the premise for the development and utilization of ancient trees. The factors such as topography, altitude, and population density also affect the species and quantity of the distribution of ancient trees, and present a certain rule.