摘要
重庆市涪陵境内现有国家重点保护植物50种,隶属于23科41属。其中蕨类植物3科4属5种,裸子植物3科4属5种,被子植物17科33属40种。重点保护植物的生活型以木本植物为主,占保护植物总数的52.00%。科、属的区系成分以热带地理成分为主,分别占保护植物科、属总数的47.83%和48.78%;种的分布区类型以中国特有成分居多,有28种,占56.00%。区系起源古老,孑遗植物丰富。重点保护植物集中分布于大木山自然保护区、永胜林场、江东桫椤自然保护区内的低山和中山区域。
According to available statistics, there are 23 families, 41 genera, and 50 species of National key protected plants in Fuling district, Chongqing city. Including 3 families,4 genera,and 5 species of pteridophyta; 3 families,4 genera, and 5 species gymnosperme; 17 families,33 genera, and 40 species of angiosperme. The woody plant is the main life forms, which occupying 52.00% of the total protected plants in this area. Its family and genus belonging to tropical geography is 47.83% and 48.78% of the total, and 28 species are of Chinese endemic plants, which account for 56.00% of the total. The flora of Fuling is old and rich in endangered plants. The level distribution of national key protected plants concen- trates to the Damushan Nature Reserve, Yongsheng tree farm, and Jiangdong Alsophila spinulosa Nature Reserve, the vertical distribution of them concentrates in low mountains and middle mountains.
出处
《湖北农业科学》
北大核心
2009年第4期880-883,共4页
Hubei Agricultural Sciences
基金
重庆市教育委员会科学技术研究项目(KJ061302)
长江师范学院科研基金项目(08Jky05)
关键词
保护植物
生活型
区系地理
涪陵
protected plants
life form
flora geography
Fuling
