摘要
2017年5—7月,采用自捕和聘请渔民用刺网、地笼、方笼、圈网和电捕等方法捕捞鱼类样本,调查松花江一级支流——梧桐河的鱼类资源现状。在梧桐河中共采集到鱼类41种,隶属于6目10科31属,但以前采集到的部分鱼类在此次调查中却没有采集到,其中哲罗鱼Hucho taimen、银鲫Carassius auratus、大鳍鱊Acheilognathus macropterus、银鲴Xenocypris macrolepis、鲤Cyprinus carpio、马口鱼Opsariichthys bidens、兴凯鱊Acanthorhodeus chankaensis、洛氏鱥Rhynchocypris lagowskii、油鳌Hemiculter bleekeri bleekeri和鲇Silurus asotus等9种鱼类为梧桐河的优势种。结果表明,梧桐河鱼类种类相对丰富,但过度捕捞和涉水活动导致鱼类资源出现了一定程度的衰减。
Fish samples were collected in Wutong River-the first order tributary of Songhua River by gillnets, cage, trap and electric fishing from May to July in 2017 to survey the fish resources in the first grade tributary of Songhua River. A total of 41 fish species,representing 6 orders, 10 families, and 31 genera were collected, unfortunately, some fish collected previously were not found in this survey, such as taimen Hucho taimen,Crucian carp Carassius auratus, bitterling Acheilognathus macropterus, Xenocypris macrolepis,common carp(Cyprinus carpio), Opsariichthys bidens, Xingkai bitterling Acanthorhodeus chankaensis, Rhynchocypris lagowskii,Hemiculter bleekeri bleekeri and oriental sheatfish Silurus asotus were the dominant species in the fish assemblage, indicating that fish species are relatively abundant in Wutong River. However, overfishing and water conservancy activities of human beings may lead to attenuation of fish resources.
作者
李雷
纪锋
王念民
金洪宇
张金凤
马波
LI Lei;JI Feng;WANG Nian-min;JIN Hong-yu;ZHANG Jin-feng;MA Bo(Key Field Scientific Observation Station of Fisheries Resources and Environment in Heilong Jiang River Valley,Ministry of Agriculture,Heilongjiang River Fisheries Research Institute,Chinese Academy of Fishery Sciences,Harbin 150070,China)
出处
《水产学杂志》
CAS
北大核心
2018年第4期15-19,共5页
Chinese Journal of Fisheries
基金
国家科技重大专项课题(2015ZX07201-008-05)
关键词
松花江
梧桐河
渔业资源
优势种
Songhua River
Wutong River
fishery resources
dominant species
