卫河水系新乡段鱼类资源现状调查

Current status of fishery resources in Xinxiang area of Wei river system

2014年6-7月对卫河水系(新乡段)的鱼类资源进行调查,共设计9个采样点,涉及卫河干流及其6个支流。共收集到鱼类15种,隶属于4目8科13属。本地区鱼类以鲤形目为主,占总种数的53.33%,其中以鲤科鱼类最多,占鲤形目的 87.50%;其次是鲈形目,占总种数的33.3%;鲇形目和鳉形目种类各1种,分别占总种数的6.67%。卫河水系新乡段鱼类可划分为晚第三纪早期、南方平原、北方平原和江河平原四个鱼类区系复合体。

An investigation on fishery resources in Xinxiang area of Wei river system was carried out from June to July 2014. Nine sampling locations were selected involving the mainstream of Wei River and its 6branches. We collected 15 species, belonging to 13 genus, 8 families and 4 orders. Cypriniformes was the dominant species in this area, which accounted for 53.33% of the total, and the Cyprinidae was the largest group, which accounted for 87.5% of the Cypriniformes. Perciformes accounted for 33.33%, Siluriformes and Cyprinodontiformes for 6.67% of the total, respectively. They can be divided into four fish-fauna complex, including early Neogene,the southern plains, the northern plains, and the rivers plain fish fauna.