塞罕坝自然保护区豆科植物资源调查与分析

Investigation and Analysis of Leguminous Plant Resources in Saihanba Nature Reserve

2013—2014年,通过样线调查和样地调查相结合的方法,对塞罕坝保护区内的豆科(Leguminosae)植物资源种类进行了调查与分析,并对豆科植物区系组成及其特点进行了研究。结果表明:塞罕坝自然保护区野生豆科植物共13属32种,其中国家Ⅱ级保护植物1种。豆科植物属的地理成分以北温带区系成分占绝对优势,占总属数的38.46%,占总种数的53.12%。

From 2013 to 2014, the species of Leguminosae plant resources in Saihanba Nature Reserve were investigated and analyzed by combining sample line survey and sample plot survey,and the flora composition and characteristics of Leguminosae were studied. The results showed that there were 13 genera and 32 species of wild leguminous plants in Saihanba Nature Reserve,including 1 species of national Class Ⅱ protected plants. The geographical composition of leguminous genera is dominated by the floristic composition of the north temperate zone, accounting for 38.46 % of the total genera and 53.12 % of the total species.