egejfas

Ege Journal of Fisheries and Aquatic Sciences

2148-3140

Ege University

10.12714/egejfas.2014.31.4.04

Investigations of the age and growth characteristics of European Hake (Merluccius merluccius L., 1758) in Edremit Bay.

Edremit Körfezi'nde Bakalyaro'nun (Merluccius merluccius L., 1758) yaş ve büyüme özelliklerinin incelenmesi

Akalın

Sencer

12 01 2014

31 4 195 203 12 07 2015

1984

Ege Journal of Fisheries and Aquatic Sciences

Bu çalışma, Bakalyaro (Merluccius merluccius L., 1758)’nun Edremit Körfezi’ndeki boy, ağırlık, yaş, cinsiyet dağılımları ile büyüme parametrelerinin tespit edilmesi amacıyla Eylül 1999-Aralık 2000 tarihleri arasında yapılmıştır. Çalışma periyodu süresince, 38-80 m derinliklerde yapılmış olan trol çekimlerinden elde edilen toplam 2375 birey incelenmiş ve bu örneklerin 7.6-46.2 cm total boy ve 2.09-766.0 g total ağırlıklar arasında bulunduğu tespit edilmiştir. Otolitlerden yapılan yaş tayinleri sonucunda örneklerin 0+ ile V yaş grupları arasında dağılım gösterdiği saptanmıştır. Ortalama total boy değerlerinden hesaplanan von Bertalanffy büyüme parametreleri dişi, erkek ve tüm bireyler için sırasıyla; L=53.49 cm, 47.49 cm ve 53.90 cm; k=0.385, 0.349 ve 0.377 yıl-1; t0=-0.078, -0.112 ve -0.045 yıl; gelişim performansı indeksi (Ф) değerleri ise 2.895, 3.042 ve 3.040 olarak bulunmuştur

Bakalyaro Merluccius merluccius boy ağırlık yaş büyüme

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