吉林市松花湖自然保护区植物区系研究

Study on Flora of Songhua Lake Nature Reserve in Jilin City

通过对吉林市松花湖自然保护区植被的实地考察和标本采集鉴定,对本区的植物种类组成、分布区类型和区系特征进行了统计分析,结果表明:松花湖自然保护区有维管束植物植物79科255属398种,其中,蕨类植物共10科13属14种,裸子植物共1科3属5种,被子植物共68科239属379种。该地区植被类型多样,区系地理成分复杂。在对维管束植物分布区类型的分析表明,本区在科级水平上有6个分布区类型和3个变型,在属级水平上有12个分布区类型和7个变型。植物区系呈温带性质,各类温带分布类型共155属,其中北温带分布97属,是本区植物区系的主要组成成分。

Based on the field investigation and specimen collection and identification of vegetation in Songhua Lake Nature Reserve,Jilin Province,the plant species composition,distribution area type and floristic characteristics of this area were statistically analyzed. The results showed that there are 398 species of 255 genera in 79 families of vascular bundles in Songhua Lake Nature Reserve. Among them,there are 14 species of 13 genera in 10 families of ferns,5 species of 3 genera in1 family of gymnosperms and 379 species of 239 genera in 68 families of angiosperms. There are many types of vegetation in this area and the geographical composition of the fauna is complex. The analysis of the distribution types of vascular plants shows that there are 6 distribution types and 3 variants in the district level and there are 12 distribution types and 7 variants at the genus level. The flora is temperate,with a total of 155 genera of temperate distribution types,including 97 genera in the northern temperate zone,which is the main component of the flora of this area.