西藏察隅慈巴沟国家级自然保护区兰科植物资源调查

Investigation on Orchid Plant Resources in Cibagou National Nature Reserve,Chayu,Xizang

为更好地保护兰科植物资源,本研究采用线路调查和样地调查方法,对西藏察隅慈巴沟国家级自然保护区野生兰科植物进行了调查,编制了兰科植物名录,进行了区系特点分析,提出了保护建议。研究结果表明:1.保护区内共有兰科植物38属73种,地生兰种类占比72.6%,其中斑叶兰属、舌唇兰属、鸟巢兰属、虾脊兰属资源最为丰富;2.保护区内兰科植物以温带分布为主导,是温带分布型兰科植物保护的理想场地。3.为保护兰科植物资源的多样性和群落稳定性,管理上需要从实地抚育、野外回归和提高群众保护意识上进行加强。

In order to better protect orchid resources,this study investigated wild orchids in Cibagou National Nature Reserve of Chayu in Xizang,by means of route survey and sample plot survey,compiled a list of orchids,analyzed the floristic characteristics,and put forward protection suggestions.The results showed as follows:1.There were 73 species of orchids belonging to 38 genera in Cibagou,and 72.6%species were from Goodyera.Platanthera,Neottia and Calanthe,which were the most abundant resources.2.The floristic characteristics of wild orchids in Cibagou showed that they mainly come from the temperature zone,and revealed Cibagou is an ideal zone to protect of orchid resources distributing in the temperature zone.3.To protect the diversity and stability in the community of orchid resources,management needs to be strengthened through nurturing in the local area,field return and raising public protection awareness.