巴岳山-西温泉风景名胜区蕨类植物区系特征分析  

Analysis of Fern Flora of Bayueshan—Western Springs Scenic Spot

作　　者：丁博[1] 邓洪平[1] 字发[1] 唐丽[1] 师胜[1] 李春燕[1] 

机构地区：[1]西南大学生命科学学院,重庆400715

出　　处：《西南师范大学学报（自然科学版）》2010年第1期132-136,共5页Journal of Southwest China Normal University(Natural Science Edition)

基　　金：重庆市自然科学基金计划资助项目(CSTC;2008BB5256);国家自然科技资源平台资助项目(2005DKA21403)

摘　　要：在对巴岳山—西温泉风景名胜区蕨类植物初步调查基础上,分析其区系组成及特征.结果表明:①该区蕨类植物丰富,共有166种(含变种和变型),隶属37科,63属;②单种科、少种科、单种属和少种属较为丰富,充分说明该区蕨类植物区系地质年代起源古老,科和属分化程度较低;③优势科、属比较明显;④科、属分布区类型以热带分布为主的同时,温带分布类型也占一定比例;⑤该区蕨类植物区系与缙云山、红水河沟谷亲缘关系较近,而与金佛山的亲缘关系较远.Fern flora composition and characteristics of fern of Bayueshan - Western Springs Scenic Spot were analysed after survey. The results were as follows： ① There were 166 species （including varieties） belonging to 63 genera and 37 families in the area. ② Large number of single family, single genera and ancient composition indicated the ancient flora origin. The fern＇s differentiation of this region was relatively 10w. ③ The dominant families and genera were obvious. ④ The characteristics of distribution types of fern took on obvious tropical nature, however, owning temperate nature to some extent. ⑤ The relationship of fern flora in this area was closer with Jinyun Mountain and Hongshuihe Valley than that in Jinfo Mountain.

关 键 词：蕨类植物 区系成分 分布区类型 巴岳山-西温泉风景名胜区 

分 类 号：Q949.36[生物学—植物学]