云南翠山维管植物组成及多样性特征

曲靖师范学院学报 ›› 2022, Vol. 41 ›› Issue (3): 29-41.

云南翠山维管植物组成及多样性特征

韩利红, 唐仕香, 杨才静, 任怡园, 刘潮

曲靖师范学院生物资源与食品工程学院,云南曲靖 655011

收稿日期:2021-12-30 出版日期:2022-05-26 发布日期:2022-06-02
通讯作者: 刘潮,曲靖师范学院生物资源与食品工程学院副教授,主要从事植物逆境生物学研究.
作者简介:韩利红,曲靖师范学院生物资源与食品工程学院副教授,主要从事植物系统发育与进化研究.
基金资助:
云南省一流本科课程建设项目“植物生物学”;云南省高校课程思政示范课重点培育项目“植物生物学”.

Composition and Diversity of Vascular Plants in Cuifeng Mountain

HAN Lihong, TANG Shixiang, YANG Caijing, REN Yiyuan, LIU Chao

School of Biological Resources and Food Engineering,Qujing Normal University, Qujing Yunnan 655011, China

Received:2021-12-30 Published:2022-05-26 Online:2022-06-02

摘要/Abstract

摘要： 基于2019—2021年的野外调查结果,对云南曲靖翠山的植物物种组成、多样性变化和区系特点进行分析,为保护该区植物物种多样性提供本底基础数据.结果表明,该区共有维管植物301种,隶属于88科222属,以松科、蔷薇科和菊科为优势科;以松属、木兰属和圆柏属为优势属.随着海拔升高,植物物种丰富度大致呈现降低趋势;海拔2 100m和2 200m样地的整体物种丰富度指数均偏低,可能由于翠山较高海拔区域多被灌木覆盖,郁闭度过高,导致林下草本植物多样性下降.该区植物区系成分丰富,在分布区类型中,植物属的温带地理分布最大(61.89%),温带成分多于热带成分,两者属数R/T值为1.62,以温带地理成分为主,热带为辅;热带与温带成分相互渗透,具有明显的过渡特征.

关键词: 维管植物, 植物区系, 物种多样性, 翠山

Abstract: The plant species composition, diversity changes and floristic characteristics of Cuifeng mountain in Qujing, Yunnan were analyzed based on the results of field survey from 2019 to 2021 to provide the basic data for the protection of plant species diversity in this area. The results showed that there were 301 species of vascular plants, belonging to 88 families and 222 genera, with Pinaceae, Rosaceae and Asteraceae being the dominant families, and Pinus, Magnolia and Sabina are the dominant genera; that the richness of plant species decreased with the increase of altitude; and that the index of species richness of sample plots at 2100 m and 2200 m is low, which may be resulted from the higher altitude area of Cuifeng mountain being mostly covered by shrubs, and the canopy density being higher. Hitherto, the above reasons may cause the decline of herb diversity on the understory. There are abundant floristic components in this area. Among the distribution types, the temperate geographical distribution of plant genera is the largest (61.89%), and the temperate components are more than the tropical one. The R/T value of these two types is 1.62. The distribution is dominated by temperate geographical components and supplemented by tropical components, and tropical and temperate components permeate each other with obvious transition characteristics.

Key words: vascular plants, flora, species diversity, Cuifeng mountain

中图分类号:

Q948

韩利红, 唐仕香, 杨才静, 任怡园, 刘潮. 云南翠山维管植物组成及多样性特征[J]. 曲靖师范学院学报, 2022, 41(3): 29-41.

HAN Lihong, TANG Shixiang, YANG Caijing, REN Yiyuan, LIU Chao. Composition and Diversity of Vascular Plants in Cuifeng Mountain[J]. Journal of Qujing Normal University, 2022, 41(3): 29-41.

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