宁波沿海经济稚幼鱼的分布及定置张网对其损害的调查  

A STUDY ON THE DISTRIBUTION OF ECONOMIC YOUNG FISH AND THE DAMAGE OF THE SET NET ON THEM FROM THE COASTAL OF NINGBO,ZHEJIANG

作　　者：钟惠英 段青源 

机构地区：[1]宁波市水产研究所

出　　处：《浙江水产学院学报》1998年第3期186-193,共8页

摘　　要：本文根据１９８９年１２月－１９９１年３月对宁波沿海８个测站每月二次的张网渔获物析结果，报导了宁波沿海带鱼、大黄鱼、小黄鱼、鲳鱼、鳓鱼和曼氏无针乌贼这六种幼鱼（幼体）的群体组成、分布及定置张网对它们的损害状况。指出从出现于张网内的幼鱼组成来看，调查的Ｂ、Ｃ海区大黄鱼秋宗产卵量大于春宗。定置张网对经济稚幼鱼的损害以Ｂ区最严重。对带鱼和大黄鱼的损害分别以６－８月和１０－１１月最严重。The paper,according to the analysing results of the catch in the set net to Ningbo coastal eight surveying stations twice per month from December,1989 to March,1991,reports the population compositions,the distributions of Ningbo coastal young Trichiurus haumela,Pseudosciaena crocea,P polyactis,Stromateoides,sp,Ilisha elongata,sepiella maindroni and the damage of the set net on the six species of young fish It was seen from the quantity compositions of young fish in the set net that the amount of spawned egg of P crocea in autumn were more than in spring in the investigated B C district The damage of the set net on the economic young fish was most serious to B district,most serious between June and August on T haumela, and most sreious between October and November on P polyactis

关 键 词：张网 经济稚幼鱼 群体组成 分布 损害 宁波沿海 

分 类 号：S972.12[农业科学—捕捞与储运] S932.255[农业科学—水产科学]