北辰区永定河及重要支流河岸带植物区系分析  

Floristic analysis of riparian vegetation in Yongding River and its tributaries in Beichen section

作　　者：高金强[1] 石维[1] 张浩 王潜[1] 徐宁 王立明[1] GAO Jin-qiang;SHI Wei;ZHANG Hao;WANG Qian;XU Ning;WANG Li-ming(Water Resources Protection Institute of Haihe River Basin,Tianjin 300170,China;Supervision and Management Bureau of Ecology and Environment of Haihe River Basin and Northsea Area,Ministry of Ecology and Environment,Tianjin 300170,China;Hydrology and Water Resources Institute,Hohai University,Nanjing 210098,China)

机构地区：[1]水利部海河水利委员会水资源保护科学研究所,天津300170 [2]生态环境部海河流域北海海域生态环境监督管理局,天津300170 [3]河海大学水文水资源学院,江苏南京210098

出　　处：《环境生态学》2021年第3期8-12,共5页Environmental Ecology

基　　金：国家水体污染控制与治理科技重大专项(2018ZX07101005)资助。

摘　　要：对北辰区永定河及其重要支流生态环境现状、河岸带植物多样性及其区系进行分析调查评价,共调查到植物24科55属65种,以广布科、属居多,其次是泛热带至温带成分,特有种不明显,基本无外来种。从种的科、属分布统计可以看出,研究区植物种类优势科主要集中在菊科、禾本科等世界性大科,多数科只有少数种或为单种科。属的组成与科的组成特点类似,主要以单种属为主。The status of ecologic environment,plant diversity and flora of Yongding River and its important tributaries riparian zone in Beichen section were analyzed and evaluated.The results showed that:there were 65 species in 55 genera and 24 families of spermatophyte.most of which were cosmopolitan,secondly were pantropic.The endemic species were not obvious,and there were no exotic species basically.According to the distribution statistics of families and genera,the plants in the study area were concentrated in some world-wide families such as Compositae and Gramineae,while they were scattered to oligophytic families and single species families.The genera analysis results were similar.

关 键 词：植物区系 植物多样性 永定河 

分 类 号：Q948[生物学—植物学]