摘要
黑河流域是河西走廊最大内陆河流域。据初步调查，其中下游有种子植物５５ 科，２２０ 属，３９６ 种（不含栽培种）。区系特征是温带性质明显，古地中海起源，种类少但地理成份联系广泛，属于亚洲荒漠植物区系阿拉善亚地区植物区系的一部分。
Heihe River reaches is the greatest inner-continent basin of Hexi corridor in Gansu According to the preliminary investigation,there are 396 species,220 genera,55 families of seed plants in the basin,The primary characteristics of the seed plant flora are:the obvious temperate region feature,wide-ranging connection in the geographical elements with the near floristic areas and fewer species originated in the old.Mediterranean area.On the basis of the distribution of endemic species and some physiographical features,the flora of middle-lower reaches of Heihe River belongs to the one of Alashan sub-region of Asian desert flora. \ \
出处
《干旱区资源与环境》
CSCD
1999年第3期68-76,共9页
Journal of Arid Land Resources and Environment
基金
国家"九五"攻关项目
冻土工程国家重点实验室(9808)资助
