张家界砂岩峰林顶部植物群落构成及空间分布  

Plant Community Composition and Spatial Distribution at the Top of the Zhangjiajie Sandstone Peaks

作　　者：琚玉枫 刘鲤 邓钰烨 田建林 Ju Yufeng;Liu Li;Deng Yuye;Tian Jianlin(School of Civil Engineering and Architecture,Jishou University,Zhangjiajie 427000,China)

机构地区：[1]吉首大学土木工程与建筑学院,湖南张家界427000

出　　处：《中国野生植物资源》2023年第12期96-102,共7页Chinese Wild Plant Resources

基　　金：2021年度湖南省大学生创新创业训练计划项目(20211972944);吉首大学2019年度引进人员和学成返校博士科研资助项目。

摘　　要：目的:探明张家界砂岩峰林顶部植物群落构成及空间分布状况。方法:借助无人机、GPS和相机,对武陵源核心景区不同海拔峰林顶部植物开展野外调查,分析群落组成、群落类型和空间分布。结果:此次共鉴定出峰林顶部植物52科94属117种;峰林顶部植物型、植物科、种和属的数量随海拔升高先增加后减少;中峰林和高峰林的植物相似性最低(0.35),且植物随海拔梯度的替换率最高(32.5);峰林顶部群落可类别为8个典型群落,群落分布存在空间差异。结论:张家界砂岩峰林顶部植物资源丰富;群落构成与特征随海拔和空间变化而异。研究可为张家界砂岩峰林顶部植物资源保护和利用提供重要依据。Objective:To investigate the community composition and spatial distribution of the top of sandstone peak forest in Zhangjiajie.Methods:Using unmanned aerial vehicle,GPS and cameras,field investigation was carried out on the top plants of different elevation peak forests in Wulingyuan core scenic area.The community composition,community type and spatial distribution were analyzed.Results:A total of 117 species in 52 families and 94 genera of plants from the top of the peaks were identified.The number of plant types,plant families,species and genera at the top of the peaks increased firstly and then decreased with increasing altitude.The lowest plant similarity(0.35)and the highest plant replacement rate(32.5)with elevation gradient were found in the middle and high peaks.The communities at the top of the peaks could be classified into 8 typical communities with spatial differences in community distribution.Conclusion:There were abundant plant resources at the top of the Zhangjiajie sandstone peaks.The composition and characteristics of communities varied with altitude and space.The research could provide an important basis for the protection and utilization of plant resources at the top of the Zhangjiajie sandstone peaks.

关 键 词：植物群落 海拔梯度 空间分布 砂岩峰林 张家界地貌 

分 类 号：Q948[生物学—植物学]