贵州玉舍国家森林公园树木及其残体附生苔藓植物的组成和分布特征  

Species Composition and Distribution of Epiphytic Bryophytes on Trees and Their Debris in Yushe National Forest Park of Guizhou Province

作　　者：杨再超[1,2] 谢斐[1] 左经会[1] 林长松[1] 向红[1] 廖雯[1] 

机构地区：[1]六盘水师范学院生命科学系,贵州六盘水553004 [2]复旦大学生物多样性科学研究所生物多样性与生态工程教育部重点实验室,上海200433

出　　处：《北方园艺》2014年第16期77-81,共5页Northern Horticulture

基　　金：贵州省科技厅自然科学基金资助项目(黔科合J字[2011]2185号);贵州省教育厅自然科学基金资助项目(黔教科2010100);2013年六盘水师范学院植物学重点学科资助项目;六盘水市科技人才培养及创新团队建设计划资助项目(52020-2012-04-01-01);贵州省科学技术联合基金资助项目(黔科合J字LKLS[2013]11号)

摘　　要：对贵州玉舍国家森林公园树干、腐木和凋落物附生苔藓植物进行了调查,结合多样性指数和相似性指数的计算,研究了树木及其残体附生苔藓植物分布和种间关系。结果表明:附生苔藓植物共有26科35属56种,优势科为灰藓科、指叶苔科、叉苔科和青藓科;附生苔藓植物在树干上分布最多,为40种,Shannon-Wiener物种多样性指数的大小顺序是树干>腐木>凋落物,南方小锦藓、钝头鳞叶藓和黄牛毛藓是该地分布最广的种类。附生苔藓植物的生活型以交织型种数最多,占总种数的44.64%。研究结果对阐明亚热带山地森林生态系统附生苔藓植物多样性分布格局和揭示森林植被健康的指示作用具有重要意义。An investigation was conducted on species composition and distribution of epiphytic bryophytes on trucks,dead woods and litters in Yushe National Forest Park of Guizhou province. Meanwhile,the species distribution and association among trees and their debris were studied by using species diversity index and similarity index. The results showed that 56 species of epiphytic bryophytes belonging to 26 families and 35 genera were recorded,with Hypnaceae, Lepidoziaceae, Metzgeriaceae and Brachytheeiaceae predominating. Host trunks had the largest number of species （40 species） among three substrate types. Shannon-Wiener species diversity index of epiphytic bryophytes order was trucks〉dead woods〉 litters,and species distribution of epiphytic bryophytes was the most widely including Brotherella henonii, Taxiphyllum subarcuaturn and Ditrichum pallidum. The most species of life-form was wefts taking up 44. 64% of all epiphytie bryophytes. The results had significant implications for clarifying distribution patterns of species diversity of epiphytie bryophytes and indicative function of healthy vegetation in subtropical montane forest ecosystems.

关 键 词：附生苔藓 物种多样性 树干 腐木 玉舍国家森林公园 

分 类 号：Q949.35[生物学—植物学]