镜泊湖自然保护区种子植物区系的研究

经野外调查及资料统计，已知镜泊湖自然保护区有野生种子植物101科395属809种，其中裸子植物3科7属12种，被子植物98科388属797种。本区地理成分复杂。以温带成分占绝对优势。温带分布属287属。占总属数的85．42％；温带分布种647种。占总种数82．40％，其中国-日本分布和东北分布有292种。占总种数的37．2％。是本区温带地理成分的核心。

Flora of Seed Plants in Jingpohu Lake Nature Reserve

The field investigation and statistical data processing show that there are 809 species, 395 genera and 101 families of wild seed plants in Jingpohu Lake Nature Reserve,of which gymnosperms covers 12 species, 7 genera and 3 families. The reserve consists of diverse geographical elements the temperate genera of which absolutely dominate amounting to 287 genera and making up 85.42% of the genus total in the reserve,and the temperate species amount to 647 and cover 82. 40% of the species total. Of the temperate species,Sino-Japan and N. E. China flora elements total 292 species, which account for 37. 2% of the species total and are the mainstay geographical elements of the reserve.