北京木本植物区系地理分析  

Florogeographical Analysis of Woody Plants in Beijing

作　　者：贺文同[1] 

机构地区：[1]北京林业大学林业资源学院

出　　处：《北京林业大学学报》1992年第2期102-106,共5页Journal of Beijing Forestry University

摘　　要：根据对北京地区木本植物属的统计分析,结果可划分为14种土理分布类型,以温带分布为主,占区系成分属数的71.7％,其中以北温带分布类型占主导地位;与热带植物区系有一定联系,占区系成分的24.5％;与各大洲植物区系存在着广泛的联系。According to our analysis of the genus of woody plants in Beijing, the woody plant flora of Beijing is comprised of 110 genera. They can be divided into 14 distributional types : Cosmopolitan (4 genera) . Pantropic (11) ; Tropical America and Tropical Asia (3) ; Old World Tropic (5) ; Tropical Asia to Tropical Oceania (4). Tropical Asia to Tropical Africa (1) ; Tropical Asia (2) ; North Temperate (45) ; Discontinuous distribution between N. America and E. Asia (10); Old World Temperate (6) ; Temperate Asia (4) ; East Asia (11) ; Mediterranean, Western Asia to Central Asia (1); Endemic to China (3) . The results show that North Temperate distributional type dominates the woody plant flora in Beijing.

关 键 词：木本植物 植物 区系 地理 分析 

分 类 号：Q948.5[生物学—植物学]