甘肃省迭部阿夏自然保护区植物多样性研究

A Study on Plant Diversity Protection in A-xia Nature Reserve of Diebu,Gansu Province

在迭部阿夏自然保护区本底资源调查的基础上,对植物多样性进行了研究。结果表明:保护区有种子植物111科423属943种(包括72变种),其中裸子植物5科13属35种,被子植物106科411属908种。植物区系成分比较复杂,类型丰富,温带分布类型的属共有99属,占72.9%,反映出明显的温带性质;有国家级重点保护植物9种,甘肃分布新记录2种;植物垂直带谱明显,生态系统类型多样。根据保护现状,提出了保护对策。

On the basis of basic investigations on A-xia Nature Reserve, a study on the plant diversity was carried out. Results showed that there are 943 species of spermatophyte （ including 72 varieties）, belonging to 423 genera, and 111 families; of which 35 species, belonging to 13 genera and 5 families are gymnosperm; 908 species, belonging to 411 genera, and 106 families are angiosperm. The flora is complicated with rich types. There are 99 genera are of temperate type accounting for 72. 9% of the total, which shows significant temperate characteristics. There are 9 species under national protection and 2 species newly found distributed in Gansu ; where the vertical distribution of plants are clear and the ecosystems are diverse. In terms of current protection, some conservation countermeasures were put forward.