九寨沟地震灾区珍稀保护动物受损栖息地维管植物区系组成及特征分析  

Floristic Composition and Vascular Plants Characteristics in Damaged Habitats of Rare Protected Animals in Jiuzhaigou Earthquake-stricken Areas

作　　者：唐小明[1] 王晓琴[1] 贺维[1] 吴世磊[1] 苏宇 陈涤非[1] 鄢武先[1] 邓东周[1] TANG Xiaoming;WANG Xiaoqin;HE Wei;WU Shilei;SU Yu;CHEN Difei;YAN Wuxian;DENG Dongzhou(Sichuan Academy of Forestry Sciences,Chengdu 610081,China)

机构地区：[1]四川省林业科学研究院,四川成都610000

出　　处：《四川林业科技》2020年第6期124-130,共7页Journal of Sichuan Forestry Science and Technology

基　　金：九寨沟地震灾区珍稀动物受损栖息地林草植被快速修复模式研究与示范项目(九发行批(2018)128号)。

摘　　要：通过实地调查对九寨沟地震灾区珍稀保护动物受损栖息地内野生维管植物的区系的组成和特征进行了分析研究,结果表明:①区系中有维管植物89科、291属和580种,以菊科(Compositae)、蔷薇科(Rosaceae)、和禾本科(Gramineae)所含物种数量较多;②寡种科、单种属和寡种属是植物区系的主体,区系组成结构较为复杂;大科、寡种属在植物种类组成上表现出优势,占物种总数的35.17%、52.93%;③分布区类型多样,属的区系成分中有15个分布区类型,其中世界分布成分比例较小,热带成分占19.01%、温带成分占78.93%;北温带分布(91属)是主要的分布区类型,体现出了植物区系显著的温带性质。④在属的水平上,植物区系组成中均含有一定量的中国特有成分。Based on detailed field investigation and species identification of vascular plants in damaged habitats of rare protected animals in Jiuzhaigou earthquake-stricken areas,the floristic composition and characteristics of wild vascular plants were analyzed and studied.The results showed that:(1)There were 89 families,279 genera and 580 species of vascular plant species in the flora,among which Compositae,Rosaceae and Gramineae contained more species.(2)The oligodecific families,monotypic genera and oligodecific genera were the main parts of the flora,and the floristic composition structure was complex.The dominance of the plurimotypic family and oligodecific genera were higher in species composition,accounting for 35.17%and 52.94%of the total species.(3)The distribution types of vascular plants were diverse,and there were 15 distribution types in the floristic components of the genera,among which the proportion of the cosmopolitan types was relatively small,with tropical types accounting for 19.01%and temperate types accounting for 78.93%of all the genera.The North Temperate type(91 genera)was the main distribution type,which reflected the remarkable temperate nature of flora.(4)At the genera level,the flora was characterized with a certain amount of Chinese endemic components.

关 键 词：九寨沟地震灾区 受损栖息地 维管植物 分布区类型 植物区系特征 

分 类 号：Q948[生物学—植物学]