摘要
通过详细调查和资料整理,对河北山地种子植物区系649属进行了系统分析,结果显示,河北山地植物区系成分中温带属441属,热带属114属,特有属18属.可以看出温带成分占绝对优势,其中北温带分布属是植物区系的核心,反映出区系典型的温带性质,过渡性突出.同时,分析得出本区系植物种类比较丰富、多样性高、起源古老、特有程度低的特征.
An analysis of the generic areal types of the seed plants indicates that Hebei mountain is rich in temperate genera. There are 649 gener in the seed plants. Hebei mountain is mainly temperate genus,with various elements coming together to form a diversified flora. The results show that there are 441 temperate genera, 114 tropical genera,and 18 endemic genera. The North temperate elements play an important role in the flora and vegetation, with the characteristics of the temperate zone to the flora. The long geological history and complex natural condition of Hebei mountain made it abundant in species and complex in geographical elements. It is rich in spermatophytes and low in Chinese endemic species, and its origin is ancient.
出处
《河北师范大学学报（自然科学版）》
CAS
北大核心
2012年第4期409-415,432,共8页
Journal of Hebei Normal University：Natural Science
基金
国家自然科学基金(31070184)
河北省自然科学基金(C2006000147
C2008000158)
关键词
河北山地
种子植物
属
地理成分
Hebei mountain
seed plants
gener
geographical elements
