Age and growth studies of bigeye tuna Thunnus obesus from Madeira using vertebrae

被引:11
作者
Alves, A [1 ]
de Barros, P [1 ]
Pinho, MR [1 ]
机构
[1] Univ Algarve, Unidade Ciencias & Tecnol Recursos Aquaticos, P-8000 Faro, Portugal
关键词
bigeye tuna; Thunnus obesus; ageing and growth using vertebrae; Madeira;
D O I
10.1016/S0165-7836(01)00268-5
中图分类号
S9 [水产、渔业];
学科分类号
0908 ;
摘要
The age and growth of bigeye tuna captured in the region of the Madeira archipelago was investigated, using growth marks in vertebrae for ageing. The precision of the ageing procedure was high. There were no significant differences in growth for males and females. The growth curves estimated compare well with those of earlier authors who used marks on fin spines or length-based methods. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:389 / 393
页数:5
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