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Specimens of European hake were collected by a traditional demersal trawl between July 2004 and June 2007 from İzmir Bay, Central Aegean Sea. A total of 2108 individuals were sampled during the study and the female:male sex ratio of the stock was 1:0.89. The lengthweight relationship was W=0.00341L3.24 (R2=0.994) for all individuals. A high gonadosomatic index was evident over most of the year but it was minimal from August to October. The estimated age composition was 15 years; the length and weight at infinity were calculated as L∞=54.53 cm and W∞=1455.77 g respectively. In addition, growth coefficient was found to be k=0.315 y-1 and t0=20.223 y (R2=0.99). Total mortality ratio of the stock was calculated as Z=1.539 y-1, while natural and fishing based mortality ratio were estimated as M=0.579 y-1 and F=0.959 y-1 respectively, with the exploitation ratio (E) of the stock estimated to be 0.624.
Journal of the Marine Biological Association of the United Kingdom, 2015, 95(4):829-837
Citation [Atıf gösterimi]:
Soykan, O., İlkyaz, A. T., Metin, G., Kınacıgil, H. T., 2015. Age, Growth and Reproduction of European Hake (Merluccius merluccius (Linn., 1758)) in the Central Aegean Sea, Turkey. Journal of the Marine Biological Association of the United Kingdom, 95(4):829-837. doi: 10.1017/S002531541400201X
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