摘要
重庆市有国家第一次公布和红皮书列出的重点保护植物 4 6种 (含 1变种 ,不含引种栽培植物 )。种的分布中心在大娄山系的南川、武隆、江津 ,大巴山的城口、巫溪和巫山 ,经调查和分析结果表明 :其区系特征为 :(1)中国特有成分和温带成分明显 ,分别占 37 78%、35.55% ;(2 )具有不少遗植物 ;(3)生长型 :以乔木占优势。
In Chongqing Municipality there are 46 national protected species(including one variety,but not the introduced plants),first announced in public and listed in The Chinese Species Red Book.The species are mainly distributed in Nanchuan,Wulong and Jiangjin in Dalou mountains and Chengkou,Wuxi and Wushan in Daba Mountains.The results of investigation and analysis show that the floristic features of protected species in Chongqing Municipality can be summarized as follows:(1)Chinese endemic elements and temperate elements are notable,37.78% and 35.55% proportiorate to their counterparts in China respectively.(2) There are many relic plant species.(3)They belong to qrowth type with trees in dominance.
出处
《重庆师范学院学报(自然科学版)》
2000年第2期84-89,94,共7页
Journal of Chongqing Normal University(Natural Science Edition)
关键词
国家重点保护植物
地理分布
区系特征
重庆
national protected species of plant
geographic distribution
floristic feature
Chongqing Municipality