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Aged-based food preferences of common carp (Cyprinus carpio L., 1758) inhabiting fish lakes in the Bafra District of Samsun Province (Lakes Tath and Gici)

Yilmaz, M; Gumus, A; Yilmaz, S; Polat, N (Scientific Technical Research Council Turkey, 2003)

The stomach contents of 122 common carp (Cyprinus carpio L., 1758) individuals collected from lakes Tatli and Gicl between January 2000 and December 2000 were investigated. The Geometric Index of Importance (GII) was used ...
Ageing of whiting (Merlangius merlangus euxinus, Nord, 1840) based on broken and burnt otolith

Polat, N; Gumus, A (Elsevier Science Bv, 1996)

A comparative study of ageing methods for whiting was conducted using vertebrae, whole otoliths and broken-burnt otoliths. Whole otoliths and vertebral readings produced lower precision and underestimation than broken and ...