Yazar "Polat N." için listeleme
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Age determination and evaluation of precision using five bony structures of the brond-snout (Chondrostoma regium Heckel, 1843)
Age determination and an evaluation of the accuracy of five bony structures were performed on 89 samples collected from Bafra Altinkaya Dam Lake. Two readers aged the specimens according to vertebrate, otolith, scale, ... -
Age determination methods of Solea lascaris (Risso, 1810) inhabiting the Black Sea
Bostanci D.; Polat N. (2000)This study was conducted to determine the most reliable bony structures for ageing Solea lascaris inhabiting the Black Sea. The relations between four different bony structures are presented in tables and figures by scale, ... -
Age determination of Shad (Alosa pontica Eichwald, 1838) inhabiting the Black Sea
The most reliable bony structure and method were investigated for age determination of shad (Alosa pontica Eichwald, 1838) inhabiting the Black Sea. Therefore, five bony structures such as scale, vertebra, otolith, opercle ... -
Biological characteristics of European perch (Perca fluviatilis L., 1758) inhabiting Lake Ladik (Samsun, Turkey)
Saygin S.; Yilmaz S.; Yazicioglu O.; Polat N. (University of Zagreb - Faculty of Agriculture, 2016)The aim of this study was to determine the growth features of European perch (Perca fluviatilis L., 1758) inhabiting Lake Ladik. A total of 858 individuals were caught. The total length and weight ranged from 8.2 to 27.5 ... -
Comparable age determination in different bony structures of Pleuronectes flesus luscus Pallas, 1811 inhabiting the Black Sea
Polat N.; Bostanci D.; Yilmaz S. (2001)The aim of this study is to determine the most reliable bony structure for ageing of Pleuronectes flesus luscus inhabiting the Black Sea. The age determination method and its accuracy are the most important subjects for ... -
The contents of digestion system of Chondrostoma regium Heckel, 1843 (Pisces: Cyprinidae) population in Suat Uğurlu Dam Lake (Çarşamba-Samsun)
The organisms in the contents of digestion system from 145 individuals of the brond-snout (Chondrostoma regium Heckel, 1843 Pisces: Cyprinidae) caught from Suat Uğurlu Dam Lake between April, 1993-March, 1994, have been ... -
Evaluation of metal accumulation,oxidative stress biochemical and hematological parameters in Sander lucioperca L.,1758 from Bafra (Samsun) Fish Lakes
Dogru M.I.; Orun I.; Dogru A.; Kandemir S.; Altas L.; Erdogan K.; Polat N. (2011)Fish, generally accumulate contaminants from aquatic ecosystems, have been largely used in environmental researches. In this study, heavy metal levels (Cd, Co, Ni, Cu, Fe, Se, Zn, Cr, Mn and As) were determined with ICPOES ... -
First records for the ichthyofauna of Samsun (Turkey)
Uğurlu S.; Polat N.; Kandemir Ş. (2009)The research was conducted to find out the fish species inhabiting in freshwater within Samsun province between June 2003 and September 2005. Totally 19 families (Anguillidae, Atherinidae, Balitoridae, Blennidae, Cobitidae, ... -
The investigation of heavy metal accumulation, oxidative status and hematological parameters in common rudd, Scardinius erythrophthahnus (L. 1758) from Bafra Fish Lakes
Dogru A.; Kandemir S.; Orun I.; Dogru M.I.; Altas L.; Erdogan K.; Polat N. (2014)The use offish in environmental monitoring has become increasingly important in recent years. In the current study, heavy metal levels (Cd, Co, Ni, Cu, Fe, Se, Zn, Cr, Mn and As) were determined with ICP-OES in some tissues ... -
An investigation on fish fauna of the river Mert (Samsun)
This study was carried out between May 1999 and June 2000 in order to determine the fish species of the River Mert. In total. 244 individuals from different sampling stations were caught by electric shock, scoop nets, fish ... -
Otolith shape analyses of Squalius cephalus (Linnaeus, 1758) (actinopterygii: Cyprinidae) inhabiting four inland water bodies of the middle Black Sea region, Turkey
Ozpicak M.; Saygin S.; Aydin A.; Hancer E.; Yilmaz S.; Polat N. (Iranian Society of Ichthyology, 2018)This study was carried out to determine the intra- and inter- population variations of chub, Squalius cephalus, utricular and lagenar otolith shapes sampled from four localities in the Black Sea region. Otolith shape ... -
Population structure and growth of rudd Scardinius erythrophthalmus (L., 1758) from a eutrophic lake in Northern Anatolia
Yazıcı R.; Yılmaz S.; Yazıcıoğlu O.; Polat N. (University of Zagreb - Faculty of Agriculture, 2015)A total of 1329 samples were collected from monthly sampling between November 2009 and October 2010 in order to analyze growth features and population structure of rudd Scardinius erythrophthalmus living in Lake Ladik which ... -
Relationships between otolith dimensions and body growth of North African catfish Clarias gariepinus (burchell, 1822) from the upper basin of the Sakarya River, Turkey
Yilmaz S.; Emiroğlu Ö.; Aksu S.; Başkurt S.; Polat N. (Sciendo, 2019)The relationships between otolith size and body length of North African catfish Clarias gariepinus (Burchell, 1822), collected from Sakaryabasi (the main spring area of the Sakarya River) between July 2014 and November ... -
Relative importance of food items in feeding of Chondrostoma regium Heckel, 1843, and its relation with the time of annulus formation
In this study, we analyzed the relative importance of food items of Chondrostoma regium Heckel, 1843. A total of 145 individuals were sampled between April 1993 and March 1994 in Suat Uğurlu Dam Lake. Stomach content ...