摘要
2008年7月-2009年9月对大瑶山自然保护区进行鱼类调查,结果发现大瑶山有鱼类37种,隶属4目13科31属,鲤科鱼类是最大类群,优势种为瑶山鲤(Yaoshanicus arcus)、横纹南鳅(Schistura fasciolata)和溪吻鰕虎鱼(Rhinogobius duospilus).主要为山区溪流性小型鱼类,以杂食性和底栖鱼类为主,底栖鱼类占总数的64.86%.杂食性占43.24%,植物食性占16.21%,动物食性占21.62%,碎屑食性占18.92%.生境丧失和过度捕捞是造成鱼类多样性下降主要原因,提出了保护鱼类资源的建议.
The fish fauna in Dayaoshan Nature Reserve of Guangxi Province was surveyed from July 2008 to September 2009.A total of 37 species belonging to 31 genera in 13 families and 4 orders are identified.Most of them are found in brooks.And Cyprinids is the main component of this fish fauna.The most dominant specie are Yaoshanicus arcus,Schistura fasciolata and Rhinogobius duospilus.Various diversity indices reveal that Shentangshang are the best preserved sites with high fish diversity.The fish stocks of the Reserve belong to different ecological types in their migration,feeding and inhabitation,Fish communities are dominated by sedentary species of the community,omnivore species and sub-stratum species among which there are 16.21% herbivore,21.62%carnivore,43.24% omnivorou and 18.92% detritus.Therefore,the natural fishery resource of Dayaoshan Nature Reserve has been decreased severely and it is urgent top rotectwild fish pressingly and effectively nowadays
出处
《河南师范大学学报（自然科学版）》
CAS
CSCD
北大核心
2010年第4期123-127,共5页
Journal of Henan Normal University(Natural Science Edition)
基金
国家自然科学基金(30970555)
广州市农业科技项目(2008E08)
关键词
鱼类资源
大瑶山
广西
fish resources
Dayaoshan
Guangxi
