Research Article


DOI :10.26650/tjbc.20190003   IUP :10.26650/tjbc.20190003    Full Text (PDF)

Length, Weight and Age Characteristics of Chub [Squalius cephalus (Linnaeus, 1758)] in the Istranca Brook (İstanbul)

Çiğdem Çelik

In this study, growth biology of chub [Squalius cephalus (Linnaeus, 1758)] population living in Istranca Brook has been studied. Sampling was carried out monthly in 6 sites on the stream by electrofishing between March 2012 and June 2013. Length, weight, age, sex distribution and ratios, age-length, age-weight, length-weight relationships, von Bertalanffy parameters, fulton condition factor values of S. cephalus individuals were investigated. Age distribution of the species varied between 0 and VII. Total length and weight values of all individuals varied between 2.6-30.1 cm and 0.14-352.50 g respectively. The femalemale ratio was 1:2.76. Length-weight relationship and von Bertalanffy growth parameters in all individuals were determined as W=0.0078TL3.15 and L∞, W∞, K and t0 as 42.18 cm, 1023.97 g, 0.137 and -0.576, respectively. Monthly fulton condition factor value in all individuals was lowest in February 2013 (0.908) and highest in June 2012 (1.222).

DOI :10.26650/tjbc.20190003   IUP :10.26650/tjbc.20190003    Full Text (PDF)

Istranca Deresi (İstanbul)’ndeki Tatlısu Kefalinin [Squalius cephalus (Linnaeus, 1758)] Yaş ve Büyüme Özellikleri

Çiğdem Çelik

Bu çalışmada Istranca Deresi’nde yaşayan tatlısu kefali [Squalius cephalus (Linnaeus, 1758)] populasyonunun büyüme biyolojisi incelenmiştir. Mart 2012 ile Haziran 2013 tarihleri arasında dere üzerindeki 6 istasyondan aylık olarak elektroşok cihazı yardımıyla avcılık gerçekleştirilmiştir. Elde edilen S. cephalus bireylerinin boy, ağırlık, yaş, eşey dağılımları ve oranları, yaş-boy, yaş-ağırlık, boy-ağırlık ilişkileri, von Bertalanffy parametreleri, fulton kondisyon faktörü değerleri incelenmiştir. Türün yaş dağılımının 0 ile VII yaş grupları arasında değiştiği gözlenmiştir. Total boy değerleri tüm bireylerde 2,6-30,1 cm; ağırlık değerleri ise 0,14-352,50 g arasında değişmiştir. Dişi-erkek oranı 1:2,76 olarak saptanmıştır. Tüm bireylerde; boy-ağırlık ilişkisi W=0,0078TL3,15 olarak, von Bertalanffy büyüme parametreleri L∞, W∞, K ve t0 sırasıyla 42,18 cm, 1023,97 g, 0,137 ve -0,576 olarak belirlenmiştir. Tüm bireylerde aylara göre fulton kondisyon faktörü değeri en düşük 2013 Şubat ayında (0,908), en yüksek ise 2012 Haziran ayında (1,222) bulunmuştur.


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APA

Çelik, Ç. (2019). Length, Weight and Age Characteristics of Chub [Squalius cephalus (Linnaeus, 1758)] in the Istranca Brook (İstanbul). Turkish Journal of Bioscience and Collections, 3(1), 11-18. https://doi.org/10.26650/tjbc.20190003


AMA

Çelik Ç. Length, Weight and Age Characteristics of Chub [Squalius cephalus (Linnaeus, 1758)] in the Istranca Brook (İstanbul). Turkish Journal of Bioscience and Collections. 2019;3(1):11-18. https://doi.org/10.26650/tjbc.20190003


ABNT

Çelik, Ç. Length, Weight and Age Characteristics of Chub [Squalius cephalus (Linnaeus, 1758)] in the Istranca Brook (İstanbul). Turkish Journal of Bioscience and Collections, [Publisher Location], v. 3, n. 1, p. 11-18, 2019.


Chicago: Author-Date Style

Çelik, Çiğdem,. 2019. “Length, Weight and Age Characteristics of Chub [Squalius cephalus (Linnaeus, 1758)] in the Istranca Brook (İstanbul).” Turkish Journal of Bioscience and Collections 3, no. 1: 11-18. https://doi.org/10.26650/tjbc.20190003


Chicago: Humanities Style

Çelik, Çiğdem,. Length, Weight and Age Characteristics of Chub [Squalius cephalus (Linnaeus, 1758)] in the Istranca Brook (İstanbul).” Turkish Journal of Bioscience and Collections 3, no. 1 (Oct. 2021): 11-18. https://doi.org/10.26650/tjbc.20190003


Harvard: Australian Style

Çelik, Ç 2019, 'Length, Weight and Age Characteristics of Chub [Squalius cephalus (Linnaeus, 1758)] in the Istranca Brook (İstanbul)', Turkish Journal of Bioscience and Collections, vol. 3, no. 1, pp. 11-18, viewed 20 Oct. 2021, https://doi.org/10.26650/tjbc.20190003


Harvard: Author-Date Style

Çelik, Ç. (2019) ‘Length, Weight and Age Characteristics of Chub [Squalius cephalus (Linnaeus, 1758)] in the Istranca Brook (İstanbul)’, Turkish Journal of Bioscience and Collections, 3(1), pp. 11-18. https://doi.org/10.26650/tjbc.20190003 (20 Oct. 2021).


MLA

Çelik, Çiğdem,. Length, Weight and Age Characteristics of Chub [Squalius cephalus (Linnaeus, 1758)] in the Istranca Brook (İstanbul).” Turkish Journal of Bioscience and Collections, vol. 3, no. 1, 2019, pp. 11-18. [Database Container], https://doi.org/10.26650/tjbc.20190003


Vancouver

Çelik Ç. Length, Weight and Age Characteristics of Chub [Squalius cephalus (Linnaeus, 1758)] in the Istranca Brook (İstanbul). Turkish Journal of Bioscience and Collections [Internet]. 20 Oct. 2021 [cited 20 Oct. 2021];3(1):11-18. Available from: https://doi.org/10.26650/tjbc.20190003 doi: 10.26650/tjbc.20190003


ISNAD

Çelik, Çiğdem. Length, Weight and Age Characteristics of Chub [Squalius cephalus (Linnaeus, 1758)] in the Istranca Brook (İstanbul)”. Turkish Journal of Bioscience and Collections 3/1 (Oct. 2021): 11-18. https://doi.org/10.26650/tjbc.20190003



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Accepted26.02.2019

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