Samsun bölgesi iç sularında yaşayan acı balık, Rhodeus amarus (Bloch, 1782)’un boy-ağırlık ve boy-boy ilişkileri

Abstract

Bu çalışmada, Nisan-Kasım 2016 tarihleri arasında Terme ve Terice akarsularından örneklenen Rhodeus amarus türünün boy-ağırlık ilişkisi (LWRs) ve boy-boy ilişkileri (LLRs) hesaplanmıştır.  Toplam 117 balık örneği (Terme’den=57, Terice’den=60) incelenmiştir.  Tüm balıkların total, çatal ve standart boyları ölçülmüş (±0.1 cm) ve ağırlıkları tartılmıştır (±0.01 g).  Tüm populasyonlar için total boylar 4.5 ve 8.9 cm arasında, ağırlıklar 0.730-0.940 g arasında değişmiştir.  Boy-ağırlık ilişkisi denklemleri Terme ve Terice için sırası ile W=0.005TL^3.479, W=0.004TL^3.586 olarak hesaplanmıştır.  Analiz sonuçlarına göre her iki habitatta da acı balık pozitif allometrik büyüme özelliğine sahiptir.  Boy-boy ilişki denklemleri total, çatal ve standart boylar arasında birbirleri ile çok güçlü ilişki olduğunu gösterir (P<0.001, belirtme katsayısı >0.95).

Keywords

• Rhodeus amarus
• boy-ağırlık ilişkisi
• boy-boy ilişkisi
• balıkçılık
• Samsun

Length-weight and length-length relationships of the European bitterling, Rhodeus amarus (Bloch, 1782) inhabiting inland waters of Samsun Province

Abstract

In this study, length-weight relationships (LWRs) and length-length relationships (LLRs) for Rhodeus amarus sampled from the Terme and Terice Streams were calculated in April-November 2016.  A total of 117 fish specimens (from Terme = 57, from Terice= 60) were examined.  Total, fork and standard length were measured (±0.1 cm) and weighted (±0.01 g) for all captured fish.  Total length varies between 4.5 and 8.9 cm, weight varies between 0.730-9.940 g for all populations.  Length-weight equations were calculated as W=0.005TL^3.479 and W=0.004TL^3.586 for Terme and Terice, respectively.  According to analyses bitterling has positive allometric growths for two localities.  Length-length relationships equations show that total, fork and standard length values are very strong between each other (P<0.001, coefficient of determination >0.95). 

Keywords

• Rhodeus amarus
• length-weight relationships
• length-length relationships
• fisheries
• Samsun

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