汝阳县鱼类资源调查

Current status of fishery resources in Ruyang county

2015年5月119-2015年5月15日,河南省鱼类资源调查队对汝阳县鱼类资源开展了调查工作。本次调查共25个样点,主要为淮河水系支流,其中有一个样点为黄河水系支流,共获得标本种类22种,隶属于4目8科20属,其中占主体部分为鲤形目鱼类,共计15种,其次是鮎形目,共有3种,占总种数的13.64%;餅形目3种,占总数的13.64%;合鲤目只有1种,占总数的4.55%。调查结果表明,汝阳县鱼类资源丰富,在繁殖、习性等方面具有多样性特征。对全县鱼类资源进行分析,科学合理的对渔业资源开发利用,为汝阳县的文明城市建设作出贡献。

An investigation on fish resources in Ruyang was carried out by fish resource investigation team of Henan Province from May 11,2015 to May 15,2015.There are 25 samples in this survey,mainly the tributaries of the Huaihe River system.One of the samples is the tributary of the Yellow River water system.A total of 22 species of specimens are obtained,belonging to 4 orders,8 families and 20 genera,of which the main part is the Cypriniformes.There are 15 species in total,followed by Siluriformes,which have 3 species,accounting for 13.64%of the total species;3 species of Perciformes,accounting for 13.64%of the total;1 species of Synbranchiformes,accounting for 4.55%of the total The survey results show that Ruyang County is rich in fish resources and has diverse characteristics in terms of reproduction and habits.Analyze the fish resources of the county,scientifically and rationally develop and utilize fishery resources,and contribute to the construction of civilized cities in Ruyang County.