海南黎母山自然保护区两栖动物多样性及区系特征

Diversity and Fauna Analysis of Amphibians in Limushan Nature Reserve of Hainan Province

2003年7月和2004年1月对海南省黎母山自然保护区两栖动物资源进行了调查,结果表明,该区内有两栖动物1目5科13属25种,全部为东洋界种类,其中华南区成分有15种,华中华南区有10种,分别占黎母山两栖动物总数的60%和40%,海南特有种有7种,具有典型的华南区系成分和热带山地林灌动物群特征。国家Ⅱ级保护动物有虎纹蛙1种;数量优势种有黑眶蟾蜍、小湍蛙、泽蛙、细刺蛙、海南溪树蛙和背条跳树蛙;保护区内两栖动物物种多样性指数为37109,均匀性指数为08321。

The amphibians resources in Limushan Nature Reserve were investigated from July, 2003 to January, 2004. The results show that 25 species of amphibians, belonging to 1 order 5 families and 13 genera, are recorded. All species belong to Oriental element, of which 15 species occupy the dominant position in South China and 10 species in Central and South China. 7 endemic species of Hainan Island distribute in the Limushan Nature Reserve, which are typical South China species with tropical and upland forest fauna characteristics. Hoplobatrachus rugulosa is state major protected wildlife grade Ⅱ. The species dominant in abundance are Bufo melanostictus , Amolops torrentis, Rana limnocharis, R. spinulosa, Buergerria axycephala and Chirixalus doriae. The Shannon Wienner diversity index and evenness index are 3 710?9 and 0 832?1 respectively.