甘肃白水江国家级自然保护区种子植物属的分布区类型及特征

Distributed Types and Characteristic of Seeding Flora in Baishuijiang National Nature Reserve in Gansu

对甘肃白水江国家级自然保护区种子植物属的分布区类型进行了研究,采用样线调查和样地调查相结合的调查方法,结果表明,保护区种子植物区系成分复杂,中国分布的15个种子植物分布区类型,在栖息地均有分布,区系成分表现为起源古老,原始类群丰富;地理成分复杂多样,以温带成分为主,热带成分次之,兼有南北植物区系的特点;特有化程度高。

Distributed types of seeding flora family in Baishuijiang National Nature Reserve, Gansu Province were investigated by line transact and semple plot metiods. The results indicated that the seeding flora ingredients were complex, all the 15 seed plant distribution area types ocarrina in China were found, the charaeteritic of the distribution area types is anciently original, rieh for primitive group; geography ingredients are complex and diverse, dominated by temperate zone species, the next is tropics species, indicating the characteristics of the north and south flora; with high endemic degree.