甘肃平凉太统—崆峒山自然保护区植被和种子植物区系的研究

Studies on the vegetation and the spermatophytic flora of Taitong-Kongtong Mountain Nature Reserve in Pingliang of Gansu Province

据初步统计 ,甘肃平凉太统—崆峒山自然保护区有维管植物 1 0 3科 ,377属 ,750种 ,其中种子植物 90科 356属 71 3种 (含变种 )。研究分析和讨论了太统—崆峒山地区主要植被类型、分布规律以及种子植物区系 ;其种子植物区系特征是 :种类组成比较丰富 ,地理成分复杂 ,联系广泛 ,以温带成分占绝对优势 ,是典型的北温带性质 ;该地区也是多种植物区系的交汇地 ,但以华北成分为主 ,植物区系隶属于泛北极植物区中国—日本森林植物亚区、华北地区。

The Taitong-Kongtong Mountain Nature Reserve in Gausu Province is located in the west of Loess Plateau.where plants resources are relatively abundant.According to preliminary statistics.There are 750 species (including varieties) wild vascular plant in this area.Which attached to 130 families and 377 genera,among them 90 families,356 genera and 713 species are seed plants.The main vegetation types and distributional law as well as floristic characteristics in the Taitong-Kongtong Mountain region were studied.Through the analysis the preliminary conclusions can be drawn:rich in comprising species,Complex in geographical elements,having an extensive connection with nearby floristic areas,but dominating in temperature elements.This area is a convergent of many elements,but the chief elements are those of North China region.The flora of Taitong-Kongtong Mountain Nature Reserve belong to Loess Plateau subregion,North China region,Sino Japan forest subkingdom,Holarctic kingdom.