白马雪山国家级自然保护区高山流石滩植物资源调查研究

Investigation on Plant Resources of Alpine Screes in Baimaxueshan National Nature Reserve

云南白马雪山国家级自然保护区地处青藏高原南延部分横断山脉中段,生物多样性资源丰富,是世界上34个生物多样性热点地区之一。本次高山流石滩植物资源调查采用样地调查与查阅历史资料相结合的方式,共记录到植物27科54属105种,保护区植物名录新增38种,分别分析了它们的区系构成。调查物种中,有中国特有14种,中国横断山区特有14种,云南西北部特有4种,白马雪山保护区特有3种。

Baimaxueshan National Nature Reserve is located in the middle of Hengduan Mountains,the southern extension of Qinghai-Tibet Plateau,which is rich in biodiversity resources and is one of 34 biodiversity hot spots in the world.This paper investigated the plant resources of alpine screes by thesample plot investigation and historical data,recording a total of 105 species,54 genera and 27 families,and adding 38 speciesto the list of plants in the reserve,as well as analyzed the floristic composition respectively.Among the investigated species,there were 14 species endemic to China,14 species endemic to Hengduan Mountains,4 species endemic to northwest Yunnan and 3 species endemic to Baimaxueshan National Nature Reserve.