INTRASPECIFIC VARIATION OF THE LENGTH-WEIGHT RELATIONSHIP IN THE LARGE YELLOW CROAKER, PSEUDOSCIAENA CROCEA (RICHARDSON), DURING ITS SPAWNING SEASON

Xu Gongzhao; Luo Bingzheng; Huang Songfang

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INTRASPECIFIC VARIATION OF THE LENGTH-WEIGHT RELATIONSHIP IN THE LARGE YELLOW CROAKER, PSEUDOSCIAENA CROCEA (RICHARDSON), DURING ITS SPAWNING SEASON

更新时间：2023-04-28

- INTRASPECIFIC VARIATION OF THE LENGTH-WEIGHT RELATIONSHIP IN THE LARGE YELLOW CROAKER, PSEUDOSCIAENA CROCEA (RICHARDSON), DURING ITS SPAWNING SEASON
- Studia Marina Sinica Vol. -9, Issue 22, (1984)
- 作者机构：
  
  1. 中国科学院海洋研究所
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Xu Gongzhao, Luo Bingzheng, Huang Songfang. INTRASPECIFIC VARIATION OF THE LENGTH-WEIGHT RELATIONSHIP IN THE LARGE YELLOW CROAKER, PSEUDOSCIAENA CROCEA (RICHARDSON), DURING ITS SPAWNING SEASON. [J]. -9(22):null(1984)
DOI：

Xu Gongzhao, Luo Bingzheng, Huang Songfang. INTRASPECIFIC VARIATION OF THE LENGTH-WEIGHT RELATIONSHIP IN THE LARGE YELLOW CROAKER, PSEUDOSCIAENA CROCEA (RICHARDSON), DURING ITS SPAWNING SEASON. [J]. -9(22):null(1984) DOI：

摘要

鱼类体长和体重之间的关系，是研究鱼类生长的内容之一。在渔业资源及渔捞统计上，大量测量体长较之测量体重简易得多。因此，了解了某一鱼群体长-体重的关系，就可以根据体长组成，估计其渔获的重量组成状况，反之亦然。体长-体重关系还被用来作为判断数量变动状况的生物学征象之一。对我国烟台外海鲐鱼的研究也表明，在鲐鱼不同世代、不同年份的生长速度变化中，很显著的一个特征就是同一体长组的体重(纯体重)的改变，而且这种改变与该海区鲐鱼生殖鱼群的数量变动表现出一定的相关征象。本文利用过去积累的资料，分析了大黄鱼Pseudosciaena crocea (Richardson)种内10个生殖鱼群的体长-体重关系的特点和种内变异。由于大黄鱼属于卵子分次成熟排出的类型，生殖季节较长，同时性腺很重一一已发现雌鱼性腺最大者可达426克(占体重的29.9 %)，所以文中均采用除去性腺和消化道重量的纯体重。

Abstract

The present paper deals principally with a detailed comparative analysis of the length-weight relationship in 10 spawning shoals of the Large Yellow Croaker during their spawning season. The concept of length-weight relationship for species and the method of computation of length-weight standard regression for species are also discussed. The data used for the present paper were obtained from samples collected primarily for the purpose of studying its population structure and fecundity. These samples were collected in the years 1958-1960 from the main spawning grounds of the Large Yellow Croaker during its spawning periods.

关键词

大黄鱼体长-体重关系种内变异生殖季节

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