湖北南河省级自然保护区种子植物区系研究

Study on Spermatophyte Flora of Nanhe Provincial Nature Reserve

摘要:

摘要：通过对南河省级自然保护区进行实地野外调查，结合历史资料，保护区有种子植物153科678属1445种。对其种子植物从科、属二级水平统计分析，初步探讨了该地区植物区系的性质和基本特点。结果表明：保护区区系成分具有复杂性和多样性，拥有中国种子植物分布区类型科级水平的12个类型，具有亚热带北缘区系的特点；属的分布区类型15个，各类热带成分共211属，占总属数的34.54％；各类温带分布类型(不包括中国特有分布)共374属，占总属数的61.22％，植物区系偏重于温带性质，具有亚热带向温带过渡的特点。且植物区系起源古老，中国特有分布有26属。

Abstract:

Abstracts:The spermatophyte consists of 1 445 species which belong to 678 genus and 153 families in Nanhe Nature Reserve by scientific survey and historical data. Based on the analysis of the floristic elements from the level of genera and family rank, the results showed that the faunal composition is complicated and various in the reserve which have 12 types of family level in Chinese spermatophyte distribution area, and have subtropical and northern flora characteristics. Topical genera account for 34.54％of total 15 types, 211 genera, and the total 374 genus of temperate genera represent 61.22％, which reveal the flora is temperate, have subtropical to temperate transition characteristics. There are 26 endemic genus of China indicate the flora is old.