重庆涪陵国家重点保护植物研究  

Study on National Key Protected Plants in Fuling District of Chongqing City

作　　者：周先容[1] 刘玉成[2] 尚进[1] 江波[1] 叶林奇[1] 

机构地区：[1]长江师范学院生命科学系,重庆涪陵408100 [2]西南大学生命科学学院,重庆北碚400715

出　　处：《湖北农业科学》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)

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.

关 键 词：保护植物 生活型 区系地理 涪陵 

分 类 号：S757.2[农业科学—森林经理学] S759.9[农业科学—林学]