中国甜槠、米槠林的地理分布格局及其斑块特征
Geographical Distribution Pattern and Patch Characteristics of Castanopsis eyrei, C. carlesii Forest in China
摘要: 本研究基于《中国植被图集(1:1 000 000)》，利用地理信息系统软件(ArcGIS)对图斑进行矢量化处理，提取甜槠、米槠林植被的信息，并绘制甜槠、米槠林的地理空间分布图。在此基础上，对我国甜槠、米槠林群落的分布特点、群落的类型以及其斑块特征进行研究。结果表明：我国甜槠、米槠林植被总面积约为29280.48 km2，总斑块数为865个。其中，福建和广西的分布面积最广，分别为8141.08 km2和8075.65 km2，分别占我国甜槠、米槠林植被总面积的27.81%和27.58%。甜槠、米槠林图斑的主要特征是：小斑块多，大斑块少，斑块的面积差异显著。大多数斑块的分布较为集中，景观破碎化程度较高。本文的研究结果将为甜槠、米槠林的保护以及可持续管理提供更为全面的科学依据。
Abstract: Based on the “Vegetation Atlas of China (1:1000000)”, this study used geographic information system software (ArcGIS) to vectorize the map spots, extract the vegetation information of Castanopsis eyrei and Castanopsis eyrei forests, and draw the geographic spatial distribution map of Castanopsis eyrei, C. carlesii forest. Based on this, the distribution characteristics, community types and patch characteristics of the vegetation communities in Castanopsis eyrei, C. carlesii forest in China were studied. The results showed that the total vegetation area of Castanopsis eyrei, C. carlesii forest in China was about 29280.48 km2, and the total number of patches was 865. Among them, Fujian and Guangxi have the widest distribution area, with the distribution area of 8141.08 km2 and 8075.65 km2, accounting for 27.81% and 27.58% of the total vegetation area of Castanopsis eyrei, C. carlesii forest in China, respectively. The main characteristics of vegetation patterns of Castanopsis eyrei, C. carlesii forest are as follows: there were more small patches and less large patches, and the area of patches was significantly different. Most patches are concentrated, and the fragmentation of vegetation landscape is high. The research results will provide a more comprehensive scientific basis for the conservation and sustainable management of Castanopsis eyrei, C. carlesii forest.
文章引用：焦路广. 中国甜槠、米槠林的地理分布格局及其斑块特征[J]. 林业世界, 2025, 14(1): 39-48. https://doi.org/10.12677/wjf.2025.141005

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