摘要
中国帕米尔高原座落于新疆西南部,北纬37°~39°,东经73°~76°,面积约30000km2,区内平均海拔约4000m,有种子植物963种(包括变种),分属于59科303属,其中裸子植物3科3属12种,被子植物56科300属951种。种子植物科的区系特征为:1)单种及单属科所占比例极高,中小科分化强烈,区系组成复杂;2)禾本科、菊科、豆科、十字花科为本区优势科,且优势明显;3)植物区系具有明显的过渡性,且以北温带为主的温带成分占主导地位,有极其微弱的热带成分渗入。
The Pamirs,a land about 30000km2 and about 4000m above sea level,is located in the southwest of Xinjiang,between 37°~39°N and 73°~76°E.There are 963 species of seed plants which are blong to 59 families and 303 genera in this area.Gymnosperm have 3 families 3 genera 12 species,Angiosperm have 56 families,300 genera,951 species.From the level of families,the floristic characteristics are summarized as follows:1)The ratioes of single-species and single-genera family are very high,the polarization of Middle or...
出处
《石河子大学学报(自然科学版)》
CAS
2007年第5期581-584,共4页
Journal of Shihezi University(Natural Science)
基金
国家自然科学基金(39960008
30360007)
教育部高校骨干教师资助项目(200056)