Investigations of the age and growth of Anchovy (Engraulis encrasicolus L., 1758) in Izmir Bay

被引：0
|
作者：
Uckun, Dilek [1 ]
Akalin, Sencer [1 ]
Togulga, Melahat [1 ]
机构：
[1] Ege Univ, Su Urunleri Fak, Su Urunleri Temel Bilimler Bolumu, Izmir, Turkey
来源：
SU URUNLERI DERGISI | 2005年 / 22卷 / 03期
关键词：
Engraulis encrasicolus; age and growth; condition factor; Izmir Bay;
D O I：
暂无
中图分类号：
S9 [水产、渔业];
学科分类号：
0908 ;
摘要：
In this study, a total of 1161 anchovy (Engraulis encrasicolus, L., 1758), specimens collected from the purse-seine boats operating in Izmir Bay during the period from the January 1997-December 1997 were investigated. The fork length and the total weight of both sexes varied from 6.2-14.0 cm and from 1.46-22.47 g, respectively. Female: male ratio was 1: 0.33 and maximum age group was determined as III. Most specimens belonged to age group I. The von Bertalanffy's growth equations in length and weight were L-t=14.93(1-e(-0.628(t-0.710))) and W-t=26.17(1-e(-0.628(t-0.710)))(3.130) for all specimens. Length-weight relationship equation were estimated as W=0.0057*L-3.130. Condition factors were determined between 0.449 and 0.839 for females, from 0.550-0.864 for males.
引用
收藏
页码：281 / 285
页数：5
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