植物生态学报 ›› 2022, Vol. 46 ›› Issue (11): 1342-1349.DOI: 10.17521/cjpe.2021.0497

• 研究论文 • 上一篇    下一篇

内蒙古地区虎榛子群系的群落特征

要振宇1, 史亚博1, 马文红1,2,**(), 赵利清1,2, 菊花3, 浩仁塔本3, 苏闯1, 张芯毓1, 梁存柱1,2   

  1. 1内蒙古大学生态与环境学院, 呼和浩特 010021
    2内蒙古大学蒙古高原生态学与资源利用教育部重点实验室, 呼和浩特 010021
    3内蒙古自治区大青山国家级自然保护区管理局, 呼和浩特 010020
  • 收稿日期:2021-12-29 接受日期:2022-02-28 出版日期:2022-11-20 发布日期:2022-03-04
  • 通讯作者: **马文红(whma@imu.edu.cn)
  • 作者简介:*同等贡献
  • 基金资助:
    国家科技基础性工作专项(2015FY1103003);内蒙古自治区科技重大专项(2021ZD0011);内蒙古自治区科技计划项目(2021GG0405)

Community characteristics of Ostryopsis davidiana alliance in Nei Mongol, China

YAO Zhen-Yu1, SHI Ya-Bo1, MA Wen-Hong1,2,**(), ZHAO Li-Qing1,2, Juhua 3, HAOREN Taben3, SU Chuang1, ZHANG Xin-Yu1, LIANG Cun-Zhu1,2   

  1. 1School of Ecology and Environment, Inner Mongolia University, Hohhot 010021, China
    2Key Laboratory of Ecology and Resource Use of Mongolian Plateau, Ministry of Education, Inner Mongolia University, Hohhot 010021, China
    3Inner Mongolia Daqingshan National Nature Reserve Administration, Hohhot 010020, China
  • Received:2021-12-29 Accepted:2022-02-28 Online:2022-11-20 Published:2022-03-04
  • Contact: **MA Wen-Hong(whma@imu.edu.cn)
  • About author:*Contributed equally to this work
  • Supported by:
    The Special Foundation for National Science and Technology Basic Research Program of China(2015FY1103003);The Science and Technology Major Project of Inner Mongolia(2021ZD0011);The Inner Mongolia Science and Technology Program Project(2021GG0405)

摘要:

虎榛子(Ostryopsis davidiana)灌丛是温带地区重要的山地中生落叶阔叶灌丛类型, 分布范围广。调查虎榛子灌丛的分布、群落特征有助于为蒙古高原的生物多样性保护、生态屏障建设提供支持。2016-2020年在内蒙古自治区内调查37个样地, 共记录到维管植物300种, 隶属于52科158属; 其中被子植物298种, 隶属于50科156属; 蕨类植物2种, 隶属于2科2属。生活型谱以多年生草本为主, 占73%; 水分生态类型以中生植物为主, 占65%; 区系地理成分以温带成分为主, 其中东古北极分布种最多, 其次是东亚成分; 大多数植物为偶见种。对内蒙古区域内虎榛子群系物种组成、生态特征和群落分类进行了详细描述和研究, 后将内蒙古区域内虎榛子群系划分为3个群丛组、17个群丛。

关键词: 虎榛子, 灌丛, 群落特征, 内蒙古

Abstract:

Ostryopsis davidiana shrubland is one of the most important types of deciduous broad-leaved shrublands that widely occur on mountain sites in northern and northwestern China. Determination of the distribution and characteristics of the O. davidiana communities helps facilitate the biodiversity conservation and establishment of eco-safety buffer on the Mongolian Plateau. In this study, we investigated the O. davidiana shrubland communities across 37 sites in Nei Mongol, and identified the community characteristics, including species composition, ecological traits and classification of O. davidiana alliance based on site survey data collected during 2016-2020. A total of 300 vascular species, belonging to 158 genera from 52 families, were recorded, consisting 298 angiosperm species belonging to 156 genera from 50 families and 2 fern species belonging to 2 genera from 2 families. Perennial herbs are the dominant life form, accounting for 73% of the total species, and mesophytes are the dominant water ecological type, accounting for 65% of the total species. Temperate plants contributed largely to the geographical floristic composition, with majority of the species being East Palaearctic, followed by East Asia element. Most of plant species in the O. davidiana communities were rare species. Based on the survey data, the O. davidiana alliance in Nei Mongol could be divided into 3 association groups and 17 associations.

Key words: Ostryopsis davidiana, shrubland, community characteristics, Nei Mongol