黑龙江公别拉河自然保护区植物区系研究

黑龙江公别拉河自然保护区共有高等植物753种,隶属于127科343属。其中,维管植物602种,隶属于81科262属;种子植物577种,隶属于71科、258属。258属种子植物可分为11个分布区类型,其中温带性质分布的属占86 73%。维管植物种的区域性地理分布统计表明:单区地理成分162种,主要是MA(78种)和DA(52种)成分;二区共有成分212种,主要是MA-DA共有(106种)和MA-NC共有(79种)成分;三区共有成分140种,主要是MA-DA-NC共有成分(85种)成分;四区共有成分88种。

Study on the flora in the Gongbiela River Nature Reserve in Heilongjiang Province

The investigation result indicates that there are about 753 plant species falling into 343 genera and 127 families,in which 602 vascular plants belong to 81 family and 262 genera,577 seed plants belong to 71 families and 258 genera. Those 258 genera were catagorized into 11 distribution types.The proportion of the category of temperate distribution is 86.73%. Regional geographical element of vascular plant indicates: there are 162 species in single regional geographical element.MA(78) and DA(52) are major components.212 species are in the two regions.MA-DA(106) and MA-NC(79) are major components.There are 140 species in the three regions,MA-DA-NC(85) are major components and 88 species in the four regions of N. E. China.