Biological Characteristics of European Perch (Perca fluviatilis L., 1758) Inhabiting Lake Ladik (Samsun, Turkey)
作者： Semra Saygin , Savas Yilmaz , Okan Yazicioglu , Nazmi Polat
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摘要: The aim of this study was to determine the growth features European perch (Perca fluviatilis L., 1758) inhabiting Lake Ladik. A total 858 individuals were caught. length and weight ranged from 8.2 27.5 cm 7.16 365.20 g, respectively. age females between 1 7 years males 5 years. female male ratio 1:0.19. von Bertalanffy equation parameters determined as L∞=41.27 cm, W∞=1251.40 K=0.10 (year⁻¹), t₀ (year)=−1.98 for all samples. Length-weight relationship calculated W=0.0047TL³.³⁵⁸ specimens. Length-length relationships (total length-standard length, length-fork standard length) highly significant (r²>0.98). mean condition factor value obtained 1.28 fish. Condition showed statistically increase according classes.
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