2) catch-at-age data
分年龄组渔获量
1.
A new method for estimating fish natural mortality coefficient(M),based on the extended sur-vivors method,using a catch-at-age data and an abundant index(catch per unit effort,CPUE) was proposed.
基于扩展残存资源量法,提出一种根据分年龄组渔获量以及资源量指数(单位捕捞努力量渔获量,CPUE)求算鱼类的自然死亡系数(M)的新方法。
3) catch composition
渔获组成
1.
Analysis on the catch composition and the relationship between fork-length and weight of tuna in the purse seining fishery in the West and Central Pacific Ocean;
中西太平洋金枪鱼围网渔业渔获组成及叉长与体重关系
2.
Analysis of the catch composition of small shrimp-beam-trawl net in shallow waters of Pearl River Estuary,China;
珠江口浅水域小型虾拖网渔获组成分析
3.
Analysis on the catch composition of light-purse seine in the northern South China Sea
南海北部灯光围网渔获组成分析
4) Shrimp catches composition
虾渔获组成
6) composition of catches
渔获物组成
1.
Analyses on the composition of catches by purse seine from the Western and Central Pacific Ocean;
中西太平洋金枪鱼围网渔获物组成分析
2.
Based on the data collected from bottom trawl survey using fishing vessel which have 36 survey stations, and the trawl survey of corresponding stations by R/V "Beidou" conducted in August 2000, a comparative study on the composition of catches with different sampling gears were analyzed.
根据 2 0 0 0年夏季双拖渔船和“北斗”号专业调查船对应站位拖网调查资料 ,进行了两种不同取样网具情况下渔获物组成的比较分析 ,结果表明 :渔船的单位扫海面积渔获量、几种重要种类的长度范围、平均个体长度、5 0 %选择长度、重量计优势度均高于“北斗”号 ,而渔获种类数则少于“北斗”号 ,且两者种类组成相似性较低 ,仅为 0 。
3.
In this paper a preliminary analysis was performed on composition of catches obtained by longline fishing in the Mediterranean Sea during fishing seasons of two years May-June in 1995 and late April-early July in 1996.
本文对1995年5月—6月、1996年4月下旬—7月初地中海金枪鱼延绳钓渔汛期间渔获物组成进行初步分析，结果表明主要渔获物种有蓝鳍金枪鱼、箭鱼、大青鲨、翻车鱼、■龟，极少见的鱼种有尖吻青鲨、长鳍金枪鱼、又属长鳍乌鲂以及■科的一种■。
补充资料：小获
1.小奴。 2.犹小得。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条