广西元宝山自然保护区两栖动物资源调查及保护.doc

广西元宝山自然保护区两栖动物资源调查及保护 摘要：2 0 0 9年3?8月，对广西元宝山自然保护区 的两栖动物资源进行了调查。结果表明，该保护区有两栖动 物2 7种，隶属1 8属8科2目；物种多样性指数为2 . 8 7 7,均匀度指数为0 . 8 7 3。动物地理区划属东洋界华 中区西部山地高原亚区黔桂湘低山丘陵省，区系组成以华中 区与华南区共有种为主；生态类型以流水型和陆栖静水型种 类占优势；保护区和同样地处桂北的猫儿山自然保护区、桂 林漓江风景名胜区的两栖动物群落相似系数较高，而与桂西 地区的岑王老山自然保护区、龙滩自然保护区、底定自然保 护区和桂南地区的十万大山、挂榜山的相似系数较小。最后， 根据资源现状提出了保护对策。 关键词：两栖动物；调查；保护；元宝山自然保护区 中图分类号：Q 9 5 9 . 5文献标识码：B文章编号: 0439— 8 11401-0124-04 Survey and Conservation of Amphibia Resources in Yu anbao Mountain Nature Reserve of Guangx i Province JIANG Cai-yunl，Z ENG Xiao —b i a o 2 Abstract： The amphibian r esources in Yuanbao Mountai n Nature Reserve of Guangx i were investigated f rom Marc h to August in 2 0 0 9. The resu Its showed that 27 species o f amphibians， belonging to 1 8 gene r a, 8 families, 2 o r d e rs， were recorded in the res e r v e . The Shannon—Wi enne r d iversity index and Pielou e venness index we re 2 . 8 7 7 and 0 . 8 7 3 respectively. Accordi ng to the zoogeographic div ision， this area belong to W estern mountain and plateau subregion, Central China re gion， Oriental Realm. The fa u n a is mainly composed of s p e c i e s distributed in both C e n t r a 1 and South China Regio n . The ecological categorie s of 27 amphibians are m a i n 1 y running—water type and T e r r e s t r i a 1 Quiet—water t y p e . Compared to Maoershan Nat u r e Reserve and Guilin Liji a n g scenic spots located in the north of Guangxi simila rly， the similarity coeffic i e n t of amphibian communiti e s in Yuanbao Mountain N a t u re Reserve is higher. On the contrary， it has smaller simi larity coefficient than C e n wangl aoshan Nature Reserve, L o n g t a n Nature Reserve, Did ing Nature Reserve of west o f Guangxi and Sh iwanda shan, Guabang mountain of South o f Guangxi. Based on the s t a t us of the amphibian resourc es， some protective suggest ions were provided in the pa per. Key words： amphibian； sur v e y ； conservation； Yuanbao M o u n t a i n Nature Reserve 广西是我国生物多样性最丰富的省区之一，两栖动物 种类繁多。桂北则是广西两栖动物种类最多的地