辽东湾渔业资源及生态环境的调查分析  

Surveys and analysis of marine fishery resources and ecological environment in Liaodong Bay

作　　者：高音[1] 刘明勇 汤勇[3] 李九奇[4] 邢彬彬[3] 

机构地区：[1]大连海洋大学航海与船舶工程学院,辽宁大连116023 [2]东港渔政站,辽宁东港118300 [3]大连海洋大学辽宁省海洋牧场工程技术研究中心 [4]大连海洋大学海洋科技与环境学院,辽宁大连116023

出　　处：《大连海洋大学学报》2013年第2期211-216,共6页Journal of Dalian Ocean University

基　　金：大连市科技局资助项目(990552);国家海洋局海洋公益性行业科研专项(200805030);农业部"948"项目(2010-G5);辽宁省科技攻关项目(2011228001)

摘　　要：根据2007年8月—2010年10月对辽东湾海域渔业资源和生态环境的底拖网调查数据,分析了该海域环境与渔业资源的状况。结果表明:辽东湾西部海域中的pH、活性磷酸盐等基本符合国家二类海水水质标准,溶解氧符合四类海水水质标准;秋季辽东湾渔业资源种类共计42种,其中鱼类17种,优势种为六丝矛尾鰕虎鱼、斑尾复鰕虎鱼和窄体舌鳎,无脊椎动物25种,优势种为口虾蛄、海星和葛氏长臂虾;生物量密度(BED)较高的海域大多位于近岸水域,近岸水域的生物栖息密度(NED)也高于远岸水域,该海域不能形成渔汛。鉴于目前辽东湾渔业资源的情况,提出了加强限制沿岸污水排入、合理进行放流增殖、规范作业网具和杜绝过度捕捞等改善海洋生态环境和恢复海洋渔业资源的具体措施。According to the survey data gained from May in 2007 to October in 2010, the status of marine fishery resources and ecological environment of Liaodong Bay were analyzed. The results showed that the main water quality parameters including pH, and available phosphate, etc. in the western part of Liaodong Bay met requirements for the second level of ＂Sea Water Quality Standard （GB3097-1997 ）＂, that DO just reached the 4th level, that 42 species （including 17 fish species and 25 invertebrates） were found in Autumn, that the dominant species were Amblychaeturichthys hexanema , Synechogobius ommaturus , Cynoglossus gracilis , Oratosquilla oratoria , Asteroidea ,and Palaemon gravieri and that the near-shore area was with higher the biomass of ecological density（BED） and the number of ecological density（NED） compared with the far-shore area. Considering the current status of fishery resources in Liaodong Bay, the authors put forward recommendations to improve ecological environment and to rebuild fisheries： to control sewage discharge strictly, to release and enhance fish stocks reasonably, and to make further restrictive measures on fishing activity and fishing gears.

关 键 词：渔业资源 生态环境 海洋调查 辽东湾 

分 类 号：S932[农业科学—渔业资源]