【摘要】 为深入掌握镜泊湖世界地质公园种子植物的区系特征,采用Kitagawa标准对该区815种野生种子植物进行了种的区系成分分析。结果表明,镜泊湖区种子植物包含长白植物区系、华北植物区系、大兴安岭植物区系和蒙古植物区系4种区系成分,以长白植物区系为主。镜泊湖区既有单区成分,也有共有成分,共有成分占总种数的73.50%,反映出该区地理联系广泛以及不同区系相互渗透与发展的较复杂的植物区系特征。更多还原

【Abstract】 In order to study the floristic characteristics of spermatophyte in Jing Bo Hu Geopark,the Kitagawa standard was used to make floristic analysis of 815 wild spermatophyte spices in this area.The results indicated that,spermatophytes in Jing Bo Hu Geopark have four big floras,including Changbai flora,North China flora,Da Xinganling flora,and Mongolia flora.Changbai flora is the main flora in this area.Besides,there are some common compositions in this four floras,and common compositions take up 73.50% of the total spermatophyte spices.This phenomenon reflects the floristic characteristics of wild geographical connection and mutual infiltration and developing in this area.更多还原