Yazar "Polat, N" için listeleme
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Age analysis on different bony structures of Perch (Perca fluviatilis L. 1758) inhabiting Derbent Dam Lake (Bafra, Samsun)
Polat, N; Bostanci, D; Yilmaz, S (Scientific Technical Research Council Turkey, 2004)The age determination method and its accuracy are the most important subjects for the evaluation of age-length-weight relations in fisheries biology, since estimates of survival, growth and mortality rates, analysis of ... -
Age-Determination of Spiny Dogfish (Squalus-Acanthias L 1758) in Black-Sea Waters
We collected 165 spiny dogfish inhabiting the Black Sea between December 1991 and April 1993 to find the most reliable aging method and used anatomical structures for this aim. The second dorsal spine and first ten vertebrae ... -
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)
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
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 ... -
Dietary preferences of perch (Perca fluviatilis L., 1758) inhabiting Derbent dam lake (Bafra-Samsun) and their relationship with seasonal and age-dependent variations
Yilmaz, M; Yilmaz, S; Kandemir, S; Bostanci, D; Polat, N (Scientific Technical Research Council Turkey, 2003)The aim of this research was to establish whether the dietary preferences of perch (Perca fluviatilis L., 1758) change due to age and the seasons. Food items were examined by the Geometric Index of Importance (GII) method. ... -
Differences between whole otolith and broken-burnt otolith ages of red mullet (Mullus barbatus ponticus Essipov, 1927) sampled from the Black Sea (Samsun, Turkey)
Polat, N; Bostanci, D; Yllmaz, S (Scientific Technical Research Council Turkey-Tubitak, 2005)Different bony structures as scales, vertebrae, otoliths, opercles and subopercles of 156 red mullet (Mullus barbatus ponticus Essipov, 1927) sampled from the Black Sea were removed for age determination. Otoliths were ... -
Digestive system contents of the perch (Perca fluviatilis L., 1758) inhabiting Derbent Dam Lake (Bafra-Samsun)
Yilmaz, M; Kandemir, S; Yilmaz, S; Polat, N (Scientific Technical Research Council Turkey, 2003)In this study, 239 perch which had been caught between May 1998 and December 2000 from Derbent Dam Lake with a number of different nets, shockers and tackles were examined. The organisms obtained after analyzing the perch ...
