达赉湖自然保护区水生种子植物区系研究

Dalai lake nature reserve of aquatic flora of seed analysis

通过实地调查和参考相关资料,对达赉湖国家级自然保护区水生种子植物进行了科、属统计和区系分析.结果表明,达赉湖保护区范围内共有水生种子植物19科、26属、42种(其中有1变种),其中以挺水植物为主.该保护区水生种子植物属和种的分布区类型,都以世界广布类型和北温带分布类型最多,且多为群落中的优势种.可见,温带性质的属、种在保护区水生种子植物区系组成上占主导地位,这表明该区系具有明显的温带性质.

Through field investigation and reference information, the Dalai lake national nature reserve of aquatic plant seeds for the district branch of the department of statistics and analysis. The results show that the Dalai lake of protected areas within the framework of a total of 19 families, 26 genera, 42 species, with the water plant-based ting. The aquatic protected areas and species of seed plants are the distribution types, are widespread in the world and most types of temperate North, and for many communities in the dominant species. This shows that the temperate nature of the genera and species in protected areas aquatic flora of seeds on the composition of the dominant, it is obvious that the area of the temperate nature.