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- MakaleYalnız künye2014Scopus SJRQ3Age Determination of Red-Spotted Trout (Salmo macrostigma) Inhabiting Munzur Stream, Turkey
Basusta, Asiye; Basusta, Nuri; Aydin, Rahmi; Ozer, Ebru I.; Girgin, Hulya
The goal of this study was to determine the best bone structure for age determination in Salmo macrostigma. During the study, comparative age determinations were performed on a total of 243 fish samples by using the operculum, suboperculum, preoperculum, interoperculum and vertebrae bony structures. In comparing the ages of five bony structures, the least agreement was 90.79% at the ages of the interoperculum-vertebrae and preoperculum-interoperculum. The most agreement was 99.59% at the ages of operculum-suboperculum. The biggest age difference amongst bony structures was 2. The clearest age ring was observed on the operculum and suboperculum bones.
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- MakaleYalnız künye2010Scopus SJRQ3Age Determination Technique According to the Calcium Accumulation in Bony Structures of Capoeta umbla (Heckel, 1843)
Calta, Metin; Sen, Dursun; Aydin, Rahmi; Koprucu, Kenan; Canpolat, Ozgur; Coban, Mehmet Zulfu
In this study, the ages of individuals belonging to Capoeta umbla (Heckel, 1843) populations obtained from Keban Dam lake and Hazar lake were determined from 5 different bony structures and the level of calcium mineral of each bony structure was measured by atomic absorption spectrophotometer The results were compared between populations of Keban Dam lake and Hazar lake In addition, the determined calcium element was statistically examined according to age, length and weight of fishes The relationships between accumulation of calcium in some bony structures and fish size (both length and weight) and age were found insignificant (p>0 05) However, the best relationships between calcium accumulation and fish size and age were found in vertebra, otolith and dorsal fin ray In conclusion, although there were some differences of calcium accumulation in the same bony structures of fishes obtained from Keban Dam lake and Hazar lake in general there were similarities In addition, the accumulation of calcium on some bony structures was observed to increase with the increasing of age, length and weight of fishes but these Increases were not statistically important
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