长株潭城市生态绿心生物多样性调查——以陆生维管植物为例  

Survey on Biodiversity in City Ecological Green Heart of Changsha-Zhuzhou-Xiangtan Metropolitan Region:A Case Study of Terrestrial Vascular Plants

作　　者：康晓宇 冯达[2] 李婷婷[2] 谭菊 罗钰 段亚锋 KANG Xiaoyu;FENG Da;LI Tingting;TAN Ju;LUO Yu;DUAN Yafeng(Changsha Ecological Environmental Monitoring Centre of Hunan Province,Changsha,Hunan 410001,China;The Surveying and Mapping Research Bureau,Changsha,Hunan 410007,China)

机构地区：[1]湖南省长沙生态环境监测中心,湖南长沙410001 [2]湖南省测绘科技研究所,湖南长沙410007

出　　处：《环境监控与预警》2024年第5期110-114,共5页Environmental Monitoring and Forewarning

基　　金：湖南省自然科学基金(2023JJ60558)。

摘　　要：生物多样性是生态系统健康的关键决定因素,是地球生命共同体的血脉和根基。以长株潭绿心区域陆生维管植物生物多样性调查数据为基础,将43个森林样方划分为6种植被类型17个群系,统计了各植被类型和群系物种数量;以重要值(IV)为依据,分析了乔木、灌木、草本植物的空间结构和优势度。结果表明,调查的43个森林样方中共记录有乔木种类80种;常绿阔叶林和常绿针叶林是调查样方中占比较大的2种植被型;马尾松、檵木、杨桐、杉木、苦槠、毛竹是样方中的常见种;不同样方树种数量、空间结构和重要值均有较明显的差别,不同群系空间结构有较明显的差别。乔木层树高为3~20 m,其中毛竹林群系树高差别较小,米槠林群系树高差别较大;乔木层胸径为3~40 cm,其中栓皮栎林群系的乔木胸径差别最小,米槠林群系差别最大。Biodiversity is a key determinant of ecosystem health and is the lifeblood and foundation of the Earth s community of life.Based on the survey data of terrestrial vascular plant biodiversity in Greenheart area of of Changsha-Zhuzhou-Xiangtan Metropolitan Region,the 43 forest plots were divided into 6 planting types and 17 groups,the number of species of each vegetation type and formation was counted.Based on the importance value,the spatial structure and importance value of trees,shrubs and herbs were analyzed.The results showed that there were 80 tree species recorded in the forest quadrat;evergreen broad-leaved forest and evergreen coniferous forest were the two planting coverts with the largest proportion in the survey quadrangle.Pinus massoniana、Loropetalum chinense、Adinandra millettii、Cunninghamia lanceolata、Castanopsis sclerophylla and Cunninghamia lanceolata were the common samples,and the number,spatial structure and important value of tree species in different quadrat were significantly different.The spatial structure of different groups showed obvious difference:the tree height of the tree layer was between 3 and 20 m,among which the difference of tree height of the bamboo forest was small,and the difference of tree height of the evergreen broadleaf forest was large.The diameters of trees ranged from 3 to 40 cm,among which the diameters of trees in the deciduous broadleaf forest were the least different and those in the evergreen broadleaf forest were the most different.

关 键 词：城市绿心 陆生维管植物 物种 生物多样性 

分 类 号：S688[农业科学—观赏园艺] TU984.115[农业科学—园艺学]