沁阳市鱼类资源调查

Current status of fishery resources in Qinyang city

2016年4月鱼类资源调查队在沁阳市开展鱼类资源调查。根据沁阳市的水系分布特征,共设置18个样点。涵盖沁阳市主要河流,如沁河、潴龙河、蚰蜒河等河流,八一水库等水库。同时前往当地的农贸市场收集鱼类的样本。本次鱼类资源调查共得到鱼类标本30种,隶属于4目9科29属。其中种类最多的是鲤形目,占总数的76.67%;其次是鲈形目,占总数的13.33%;鲇形目有两种,占总数的6.67%;合鳃目一种,占总数的3.33%。根据整理的调查结果表明,沁阳市的鱼类资源丰富,鱼类在食性、生活栖息场所等方面表现出多种多样的特点。根据鱼类区系复合体学说,沁阳市的鱼类资源可以划分为:江河平原区系复合体、北方平原区系复合体、晚第三纪早期区系复合体、北方山地区系复合体、南方平原区系复合体,但江河平原区系复合体存在最多。

An investigation on fish resources in Qinyang city was carried out in April 2016. Eighteen sampling locations were chosen involving reservoir, rivers and mountain streams. It covers Qinhe River,Zhulong River,Youyan Riverandotherriver,as well as Bayi Reservoir,also collects specimens of the fish in local farmers＇ markets. We collected Thirty species, belonging to 29 genus, 9 families and 4 orders. Cypriniformes was the dominant species in this area, which accounted for 76.67% of the total, Perciformes accounted for 13.33%, Siluriformes accounted for 6.67%, Synbranchiformes accounted for 3.33%. The results showed that the fish in Qinyang city had diversified characteristics in habitat selection, breeding, and growth habit. These fish species can be divided into five fish-fauna complex： China Plain Fish Fauna Complex, Fauna of the North Plains Complex, Neogene Early Fauna Complex, Department of the North Mountain Complex,Fanua of the South Plains Complex. The main species were classified into China Plain Fish Fauna Complex.