新乡市辉县鱼类资源调查

Current status of fishery resources in Huixian of Xinxiang City

2015年10月-11月,对新乡市辉县全境47个样点开展鱼类资源调查,共获得鱼类28种,隶属于6目9科23属。其中鲤形目种类最多,占总种数的67.86%,其次是鲈形目和鲇形目,均占总种数的10.71%,鲑形目、鳉形目和合鳃鱼目各1种,各占总种数的3.57%。根据鱼类区系复合体学说,辉县鱼类资源可划分为中国平原鱼类区系复合体、晚第三纪早期鱼类区系复合体、南方平原鱼类区系复合体、北方平原鱼类区系复合体和北方山地鱼类区系复合体。

An investigation on fishery resources in Huixian of Xinxiang City was performed in October to December 2015. Foty-seven sampling locations were chosen. Twenty-eight species belonging to 23 genus, 9 families and 6 orders were collected. Cypriniformes was the dominant order with the most members in this area, which accounted for 67.86% of the total, both of Perciformes and Siluriformes accounted for10.71%. Cyprinodontiformes,Synbranchiformes and Salmoniformes had only one species and accounted for 3.57%, respectively. These fish species could be divided into four fish-fauna complex: China Plain Fish Fauna Complex, Fauna of the North Plains Complex, Neogene Early Fauna Complex, Department of the North Mountain Complex, and Fauna of the South Plains Complex.