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Journals / Journal of FisheriesSciences.com / 2009 / Cilt: 3 - Sayı: 3

Age determination, age-length and length-weight relationships of Garfish (Belone belone L., 1761) in the Black Sea (Samsun)

Karadeniz (Samsun)'de yaşayan zargana (Belone belone L., 1761)'da yaş tayini, yaş-boy ve boy-ağırlık ilişkileri

Derya BOSTANCI
Savaş YILMAZ
Nazmi POLAT
Yasemin İNCEİSMAİL
Pages
187–198
Publication Date
2022-10-18
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The length-weight relationship of population was computed as W=0.0005L3.245.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:In this study, the most reliable bony structure for age determination of garfish (Belone belone L., 1761) inhabiting the Black Sea was investigated and age-length and length-weigth relationships were determined.
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Key Findings & Data:Bony structures such as vertebra, otolith, opercle, subopercle and cleithrum for age analysis were removed from 278 indivudials sampled from October 2003 to December 2004.
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Conclusion & Impact:The length-weight relationship of population was computed as W=0.0005L3.245.
🔬Design:Research Article
📍Scope:2003 Verileri
⚙️Variables:Domain Parameters

Abstract

In this study, the most reliable bony structure for age determination of garfish (Belone belone L., 1761) inhabiting the Black Sea was investigated and age-length and length-weigth relationships were determined. Bony structures such as vertebra, otolith, opercle, subopercle and cleithrum for age analysis were removed from 278 indivudials sampled from October 2003 to December 2004. The mean age (Xort), percent agreement (PA), average percent error (APE) and coefficient of variation (CV) were used to compare the reliability of bony structures. Similar results were obtained in age readings of vertebra and otolith. Otolith was prefered to vertebra due to the fact that removing from fish and preparing for age determination of otolith were easier. The relationships between otolith dimensions-age and otolith dimensions-fish length were investigated. The growth equation was calculated as Lt= 79.05 [1-e-0.198 (t+1.42) ] by otolith ages. The length-weight relationship of population was computed as W=0.0005L3.245.

Özet

Bu çalışmada, Karadeniz (Samsun)’de yaşayan zarganada (Belone belone L., 1761) yaş tayini için en güvenilir kemiksi yapı araştırılmış, yaş-boy ve boy-ağırlık ilişkileri belirlenmiştir. Ekim 2003-Aralık 2004 tarihleri arasında yakalanan 278 örnekten yaş belirleme amacıyla omur, otolit, operkül, suboperkül ve kleitrum gibi kemiksi yapılar alınmıştır. Kemiksi yapıların güvenilirliğinin karşılaştırılmasında ortalama yaş (Xort), yüzde uyum (YU), ortalama yüzde hata (OYH) ve değişim katsayısı (DK) kullanılmıştır. Omur ve otolitte benzer sonuçlar elde edilmiştir. Otolit, balıktan alınması ve yaş tayinine hazırlanması daha kolay olduğundan omura tercih edilmiştir. Otolit boyutları-yaş ve otolit boyutları-balık boyu arasındaki ilişkiler incelenmiştir. Otolit yaşlarından büyüme denklemi Lt= 79.05 [1-e-0.198 (t+1.42) ] olarak hesaplanmıştır. Populasyonun boy-ağırlık ilişkisi W=0.0005L3.245 olarak tespit edilmiştir.

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Cite This Article

BOSTANCI, D., YILMAZ, S., POLAT, N., İNCEİSMAİL, Y. (2022). Age determination, age-length and length-weight relationships of Garfish (Belone belone L., 1761) in the Black Sea (Samsun). Journal of FisheriesSciences.com, Cilt: 3 - Sayı: 3, 187–198. https://ajindex.com/articles/563296

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References (12)

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