茂兰喀斯特森林四药门花的生境特征和群落组成  

Habitat Characteristics and Community Composition of Loropetalum subcordatum in Maolan Karst Forest

作　　者：覃池萍 兰洪波[1] 姚雾清 杨婷婷[1] 费仕鹏 柳华富 QIN Chiping;LAN Hongbo;YAO Wuqing;YANG Tingting;FEI Shipeng;LIU Huafu(Maolan National Nature Reserve Management Bureau of,Libo 558400,China)

机构地区：[1]贵州茂兰国家级自然保护区管理局,贵州荔波558400

出　　处：《四川林业科技》2022年第3期80-84,共5页Journal of Sichuan Forestry Science and Technology

基　　金：贵州省林业厅青年专项(黔林科合J字[2018]02号)。

摘　　要：对茂兰喀斯特森林中四药门花(Loropetalum subcordatum)的分布特点及群落内植物组成进行了调查和区系分析;结果为:四药门花分布于石灰岩次生灌丛和常绿落叶阔叶林内阴坡中部至山顶处,海拔较高,分布区域坡度大;群落内共有维管束植物162种,隶属73科124属;群落优势科为蔷薇科、大戟科、樟科、山茶科、桑科、芸香科、茜草科、五加科、苏木科和紫金牛科;四药门花群落科属复杂,其区系中热带成分占总属数的67.57%,主要以泛热带和热带亚洲成分为主,而温带成分占总属数的32.43%。A wild investigation was carried out to study the distribution characteristics and plant composition of Loropetalum subcordatum in Maolan Karst Forest, and the floristic analysis was made.The results showed that:(1)Loropetalum subcordatum community were distributed in limestone secondary shrub and evergreen deciduous broadleaved forest from the middle of shady slope to the top of mountain, with high altitude and large gradient in distribution area.(2) There were 162 species of vascular plants in the community, belonging to that 73 families and 124 genera. The dominant families were Rosaceae, Euphorbiaceae, Lauraceae, Theaceae, Moraceae, Rutaceae, Rubiaceae, Araliaceae,Caesalpiniaceae and Myrsinaceae.(3) The families and genera of Loropetalum subcordatum community were complex, with tropical elements accounting for 67.57% of the total genera, mainly pantropic and Tropical Asia elements, while temperate elements accounting for 32.43% of the total genera.

关 键 词：四药门花 濒危植物 调查 茂兰喀斯特森林 

分 类 号：S718.54[农业科学—林学]