孟津县鱼类资源调查

Current status of fishery resources in Mengjin County

2016年6月23日~6月26日,对洛阳市孟津县境内分布的主要河流的鱼类资源进行了调查。本次调查共设采样点8个,主要涉及黄河水系,捕获鱼类样本37种,隶属于6目11科35属。包括26种鲤形目,4种鲇形目,3种鲈形目,2种鲑形目,1种合鳃目和1种鳗鲡目,分别占总种数的70.27%、 10.81%、8.11%、 5.41%、 2.70%、 2.70%。调查结果表明:孟津县鱼类在摄食、繁殖及栖息习性等方面呈现多样化特征。根据鱼类区系复合体学说,孟津县鱼类资源可划分为6大类,主要以江河平原区系复合体种类为主。

Fish resource investigation in Mengjin County was carried out by The Fish Resource Investigation Team of Henan Province in June 2016. A total of 8 sampling locations were chosen and 37 species were collected which fall into6 orders, 11 families and 35 genera. Cypriniformes were the most species, accounting for 70.27% of the total species, followed by Siluriformes, accounted for 10.81%. Perciformes accounted for 8.11%.Salmoniformes accounted for 5.41%.Synbranchiformes and Anguilliformes accounted for 2.70% of the total species, only one species. The survey results showed the high diversity in ingestion, breeding and perching habit. These fish species could be divided into six freshwater fish-fauna complexes, and the main species were classified into China Plain fish Fauna Complex.