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Plant Diversity ›› 1997, Vol. 19 ›› Issue (01): 1-3.

• 研究论文 •    

喜马拉雅东部雅鲁藏布江大峡弯河谷地区植被组成特点

孙航;周浙昆;俞宏渊   

  1. 中国科学院昆明植物研究所,昆明650204
  • 出版日期:1997-02-25 发布日期:1997-02-25

THE VEGETATION OF THE BIG BEND GORGE OF YALU TSANGPO RIVER, S.E.TIBET, E. HIMALAYAS

Sun Hang, Zhou Zhekun, Yu Hongyuan   

  1. Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204
  • Online:1997-02-25 Published:1997-02-25

摘要: 论述了喜马拉雅东部雅鲁藏布江大峡弯河谷地区(即海拔 600~2500 m)的植被组成特征。本地区原始植被主要有:(1)热带低山半常绿雨林:阿丁枫+千果榄仁群落,阿丁枫+小果紫薇群落,阿丁枫群落;(2)亚热带常绿阔叶林:刺拷+阿丁枫群落,刺拷群落,短刺拷+毛曼青冈+西藏石栎群落,西藏栋+毛曼青冈群落,通麦栎群落;(3)亚热带山地半常绿阔叶林:薄片青同群落,依江栋群落;(4)常绿针叶林:不丹松群落,喀西松群落。此外,本区还分布有处于次生演替各个时期的大面积的次生植被,主要有:尼泊尔桤木群落;中平树+鸡嗉子果+尼泊尔桤木群落,常绿竹丛;野芭蕉群落;热带高草群落。

关键词: 植被, 雅鲁藏布江, 东喜马拉雅

Abstract: The paper present the characters of the vegetation in the Big Bend Gorge (600~ 2 500 m) of Yalu Tsangpo river, S.E. Tibet, E.Himalayas. The original vegetations of the region are mainly as follows; (1) tropical low mountain semi-evergreen rain forest: Ahtingia excelsa + Terminalia myriocarpa community, Ahtwia excelsa + Lagerstroemia minuticarpe community, KAItingia excelsa community. (2) Subtropical mountain evergreen broadleaved forest: Castanopsis hystrix + Altingia excelsa community; Castanopsis hystrix community; Castanopsis echidnocarpo + CycIobalanopsis gambleana + Lithocarpus xizangensis community; Quercus lodicosa + Cyclobalanopsis gambleana community and Quercus lanata community. etc.

Key words: Vegetation, Yalu Tsangpo River, E.Himalayas