Morphometric Characteristics of Freshwater Crayfish (Pontastacus leptodactylus Eschscholtz, 1823) Caught in Sapanca Lake, Türkiye
Yıl: 2023 Cilt: 9 Sayı: 2 Sayfa Aralığı: 63 - 75 Metin Dili: İngilizce DOI: 10.17216/limnofish.1149864 İndeks Tarihi: 09-10-2023
Morphometric Characteristics of Freshwater Crayfish (Pontastacus leptodactylus Eschscholtz, 1823) Caught in Sapanca Lake, Türkiye
Öz: This is the first study providing information on some morphometric parameters for Pontastacus leptodactylus from Sapanca Lake (Sakarya), Türkiye. This study was conducted from June - 2016 to October - 2017 and a total of 264 crayfish were caught, being 146 females and 118 males. The results revealed that the average total length for the population was 91.89±15.68 mm (TL±SD) (94.75±15.91 mm for females, 88.36±14.72 mm for males), and the average total weight for the total population was 27.27±16.84 g (TW±SD) (29.02±17.54 g for females, 25.09±15.74g for males). The sex ratio was computed as 1.24:1 (female to male). A strong positive statistical relationship was determined between the total length and total weight of females, males, and both sexes (r2: 0.90 – 0.95). This statistically strong relationship was also valid between other body parts, such as carapace length, width, and weight. The regression analyses for total length-total weight relationships also revealed that the whole population exhibited positive allometric growth (b=3.186) regardless of sex, and the condition factor for all sex groups was computed to be over 3 (K=3.23±0.60 SE).
Anahtar Kelime: Sapanca Gölü’nde (Türkiye) Yakalanan Tatlısu Kerevitlerinin (Pontastacus leptodactylus Eschscholtz, 1823) Morfometrik Özellikleri
Öz: Bu çalışma, Sapanca Gölü (Sakarya, Türkiye) tatlısu kerevitlerinin (Pontastacus leptodactylus) bazı morfometrik parametreleri hakkında bilgi sağlayan ilk çalışmadır. Çalışma Haziran 2016-Ekim 2017 tarihleri arasında gerçekleştirilmiş, 146 dişi ve 118 erkek olmak üzere toplam 264 kerevit yakalanmıştır. Sonuçlar, popülasyonun ortalama toplam uzunluğunun (TL±SD) 91,89±15,68 mm (dişiler için 94,75±15,91 mm, erkekler için 88,36±14,72 mm) ve ortalama ağırlığının (TW±SD) 27,27±16,84 g (dişiler için 29,02±17,54 g ve erkekler için 25,09±15,74 g) olduğunu ortaya koymuştur. Cinsiyet oranı 1.24:1 (dişi:erkek) olarak bulunmuştur. Dişi, erkek kerevitler ve her iki cinsiyetin total boy ve total ağırlığı arasında istatistiksel olarak güçlü bir pozitif ilişki belirlenmiştir (r2: 0.90 – 0.95, P<0.05). Bu istatistiksel güçlü ilişkinin, diğer morfometrik parametreler, özellikle kabuk uzunluğu, genişliği ve ağırlığı arasında da geçerli olduğu tespit edilmiştir. Toplam boy-toplam ağırlık ilişkileri için yapılan regresyon analizleri de cinsiyetten bağımsız olarak tüm popülasyonun pozitif allometrik büyüme gösterdiğini (b=3.186) ve tüm cinsiyet grupları için kondisyon faktörünün 3'ün üzerinde (K=3.23±0.60 SE) olduğunu ortaya koymuştur
Anahtar Kelime: Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık
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| APA | Baltacı M, AYDIN H, Seyhun N, DENIZ T (2023). Morphometric Characteristics of Freshwater Crayfish (Pontastacus leptodactylus Eschscholtz, 1823) Caught in Sapanca Lake, Türkiye. , 63 - 75. 10.17216/limnofish.1149864 |
| Chicago | Baltacı Muhammed ali,AYDIN Hamdi,Seyhun Nadide,DENIZ TOMRIS Morphometric Characteristics of Freshwater Crayfish (Pontastacus leptodactylus Eschscholtz, 1823) Caught in Sapanca Lake, Türkiye. (2023): 63 - 75. 10.17216/limnofish.1149864 |
| MLA | Baltacı Muhammed ali,AYDIN Hamdi,Seyhun Nadide,DENIZ TOMRIS Morphometric Characteristics of Freshwater Crayfish (Pontastacus leptodactylus Eschscholtz, 1823) Caught in Sapanca Lake, Türkiye. , 2023, ss.63 - 75. 10.17216/limnofish.1149864 |
| AMA | Baltacı M,AYDIN H,Seyhun N,DENIZ T Morphometric Characteristics of Freshwater Crayfish (Pontastacus leptodactylus Eschscholtz, 1823) Caught in Sapanca Lake, Türkiye. . 2023; 63 - 75. 10.17216/limnofish.1149864 |
| Vancouver | Baltacı M,AYDIN H,Seyhun N,DENIZ T Morphometric Characteristics of Freshwater Crayfish (Pontastacus leptodactylus Eschscholtz, 1823) Caught in Sapanca Lake, Türkiye. . 2023; 63 - 75. 10.17216/limnofish.1149864 |
| IEEE | Baltacı M,AYDIN H,Seyhun N,DENIZ T "Morphometric Characteristics of Freshwater Crayfish (Pontastacus leptodactylus Eschscholtz, 1823) Caught in Sapanca Lake, Türkiye." , ss.63 - 75, 2023. 10.17216/limnofish.1149864 |
| ISNAD | Baltacı, Muhammed ali vd. "Morphometric Characteristics of Freshwater Crayfish (Pontastacus leptodactylus Eschscholtz, 1823) Caught in Sapanca Lake, Türkiye". (2023), 63-75. https://doi.org/10.17216/limnofish.1149864 |
| APA | Baltacı M, AYDIN H, Seyhun N, DENIZ T (2023). Morphometric Characteristics of Freshwater Crayfish (Pontastacus leptodactylus Eschscholtz, 1823) Caught in Sapanca Lake, Türkiye. Journal of Limnology and Freshwater Fisheries Research, 9(2), 63 - 75. 10.17216/limnofish.1149864 |
| Chicago | Baltacı Muhammed ali,AYDIN Hamdi,Seyhun Nadide,DENIZ TOMRIS Morphometric Characteristics of Freshwater Crayfish (Pontastacus leptodactylus Eschscholtz, 1823) Caught in Sapanca Lake, Türkiye. Journal of Limnology and Freshwater Fisheries Research 9, no.2 (2023): 63 - 75. 10.17216/limnofish.1149864 |
| MLA | Baltacı Muhammed ali,AYDIN Hamdi,Seyhun Nadide,DENIZ TOMRIS Morphometric Characteristics of Freshwater Crayfish (Pontastacus leptodactylus Eschscholtz, 1823) Caught in Sapanca Lake, Türkiye. Journal of Limnology and Freshwater Fisheries Research, vol.9, no.2, 2023, ss.63 - 75. 10.17216/limnofish.1149864 |
| AMA | Baltacı M,AYDIN H,Seyhun N,DENIZ T Morphometric Characteristics of Freshwater Crayfish (Pontastacus leptodactylus Eschscholtz, 1823) Caught in Sapanca Lake, Türkiye. Journal of Limnology and Freshwater Fisheries Research. 2023; 9(2): 63 - 75. 10.17216/limnofish.1149864 |
| Vancouver | Baltacı M,AYDIN H,Seyhun N,DENIZ T Morphometric Characteristics of Freshwater Crayfish (Pontastacus leptodactylus Eschscholtz, 1823) Caught in Sapanca Lake, Türkiye. Journal of Limnology and Freshwater Fisheries Research. 2023; 9(2): 63 - 75. 10.17216/limnofish.1149864 |
| IEEE | Baltacı M,AYDIN H,Seyhun N,DENIZ T "Morphometric Characteristics of Freshwater Crayfish (Pontastacus leptodactylus Eschscholtz, 1823) Caught in Sapanca Lake, Türkiye." Journal of Limnology and Freshwater Fisheries Research, 9, ss.63 - 75, 2023. 10.17216/limnofish.1149864 |
| ISNAD | Baltacı, Muhammed ali vd. "Morphometric Characteristics of Freshwater Crayfish (Pontastacus leptodactylus Eschscholtz, 1823) Caught in Sapanca Lake, Türkiye". Journal of Limnology and Freshwater Fisheries Research 9/2 (2023), 63-75. https://doi.org/10.17216/limnofish.1149864 |
