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Journals / Osmaniye Korkut Ata Üniversitesi Fen Bilimleri Enstitüsü Dergisi / 2022 / Cilt: 5 - Sayı: 3

Length-Weight Relationships and Gonadosomatic Index of Invasive Sea Urchin Diadema setosum (Leske, 1778) from Iskenderun Bay, North-Eastern Mediterranean, Turkey

İskenderun Körfezi (Kuzey-Doğu Akdeniz, Türkiye)’ndeki İstilacı Deniz Kestanesi Diadema setosum'un (Leske, 1778) Boy-Ağırlık İlişkileri ve Gonadosomatik İndeksi

Erkan UĞURLU
Önder DUYSAK
Pages
1579–1591
Publication Date
2022-12-12
DOI
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AI Summary & Key Takeaways

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

This study is the first detailed study on the length-weight relationships (LWRs), length-weight frequency and gonadosomatic indexes of the invasive sea urchin (D. setosum) from İskenderun Bay, Northeastern Mediterranean.

📌 3 Key Takeaways

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Objective & Hypothesis:In this study, it was aimed to analyses some growth parameters of the invasive Diadema setosum (Leske, 1778) from Iskenderun Bay.
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Key Findings & Data:For this reason, a total of 117 samples were collected in September 2021 from rocky shores coast of Iskenderun.
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Conclusion & Impact:This study is the first detailed study on the length-weight relationships (LWRs), length-weight frequency and gonadosomatic indexes of the invasive sea urchin (D. setosum) from İskenderun Bay, Northeastern Mediterranean.
🔬Design:Research Article
📍Scope:2021 · 117 samples
⚙️Variables:Boy-ağırlık ilişkisi · GSİ · Denizkestanesi

Abstract

In this study, it was aimed to analyses some growth parameters of the invasive Diadema setosum (Leske, 1778) from Iskenderun Bay. For this reason, a total of 117 samples were collected in September 2021 from rocky shores coast of Iskenderun. The test diameter in D. setosum was varied between 24.32 and 81.1 mm with an average of 51.8±1.18 mm in length. The total weight was changed between 27.14 and 185.11 g, and the average total weight was 84.64±2.77 g. The length-weight relationship of D. setosum was W = 0.7917*L1.1773. The value of regression co-efficient (R2) estimated for the species was 0.71. Gonadosomatic indexes (GSI) was determined as 3.4±0.04%, 8.91±0.09%, and 7.50±0.14%, in GSI1, GSI2, and GSI3, respectively. This study is the first detailed study on the length-weight relationships (LWRs), length-weight frequency and gonadosomatic indexes of the invasive sea urchin (D. setosum) from İskenderun Bay, Northeastern Mediterranean.

Özet

Bu çalışmada, İskenderun Körfezi kıyılarındaki istilacı Diadema setosum türünün (Leske, 1778) bazı biyolojik parametrelerinin incelenmesi amaçlanmıştır. Bu nedenle, Eylül 2021'de İskenderun'un kayalık sahil kıyılarından toplam 117 örnek toplanmıştır. D. setosum türünün testa (kabuk) çapı 24.32 ile 81.1 mm arasında ve ortalama 51.8±1.18 mm olduğu belirlenmiştir. Örneklerin toplam ağırlığı 27.14 ile 185.11 g arasında değişmiş olup, ortalama 84.64±2.77 g hesaplanmıştır. D. setosum türünün boy-ağırlık ilişkisi W = 0.7917*L1.1773 şeklinde bulunmuştur. Tür için tahmin edilen regresyon katsayısı (R2) değeri 0,71'dir. Denizkestanesi türünün farklı gonadosomatik indeks değerleri (GSİ) GSI1, GSI2 ve GSI3 sırasıyla %3.4±0.04, %8.91±0.09 ve %7.50±0.14 olarak belirlenmiştir. Bu çalışma, İskenderun Körfezi'nde dağılım gösteren istilacı denizkestanesinin (D. setosum) boy-ağırlık ilişkisi (LWR), boy-ağırlık frekansı ve farklı gonadosomatik indeks değerlerini kapsayan ilk detaylı çalışmadır

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Cite This Article

UĞURLU, E., DUYSAK, Ö. (2022). Length-Weight Relationships and Gonadosomatic Index of Invasive Sea Urchin Diadema setosum (Leske, 1778) from Iskenderun Bay, North-Eastern Mediterranean, Turkey. Osmaniye Korkut Ata Üniversitesi Fen Bilimleri Enstitüsü Dergisi, Cilt: 5 - Sayı: 3, 1579–1591. https://ajindex.com/articles/870276

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