湖南小溪国家级自然保护区苔藓植物区系调查

Studies on bryophytes flora of Xiaoxi National Nature Reserve,Hunan province

对小溪国家级自然保护区苔藓植物标本307号进行鉴定、分析,其共有41科,83属,152种和4亚种3变种。将保护区内的苔藓植物划分为12种区系成分类型。区系成分以东亚成分为主,占33.77%;热带成分所占比例高达31.76%,仅次于东亚成分;中国特有种比例高。区系成分的特点也体现了保护区所处的地理位置以及独特的地理气候条件。

From 307 bryophyte specimens collected from Xiaoxi National Nature Reserve Hunan province ,41families ,83 genera, 152 species ,4 subspecies and 3 varieties have been identified. Twelve types of the bryophyte flora of the Xiaoxi National Nature Reserve are recognized. Totally, the East Asian elements are the most important one, corresponding to 33. 77% of the total. Following the East Asian elements ,the tropical elements account for 31.76% of the total. Furthermore, 16 species endemic to China are recorded here owing to its unique climate conditions.