0.05) belirlenmiştir. Vertical Distribution and ratio of Whiting fish (Merlangius merlangus euxinus Nordmann, 1840) in the total catch on the Eastern Black Sea Coasts. In this study, seasonal vertical distribution, quantity at unit area and ratio of whiting fish in the total catch were examined at four different depths (15. 35, 60 and 80 m) on the Eastern Black Sea coasts of Turkey. Quantity of total catch gathered at 15 m depth was 894.7 kg, but no whiting was found in this quantity in any month of the year. Whiting was found in the total catch (4089.5 kg) in seven months of the year and 16% of total catch was constituted by whiting at 35 m depth. The density of whiting was found as 0.0025±0.00083 $kgm^{-2}$ at the same depth. Total catch quantity was 1981.4 kg while the quantity was constituted as 65.72% by whiting at 60 m depth. Whiting density was found as 0.0042+0.00072 kgm"2 at this depth. Total catch quantity gathered at 80 m depth was 3491.0 kg and %71.8 of total cath was constituted by whiting. Its density was determined as 0.0087±0.0038 $kgm^{-2}$ at the same depth. However, the average lengths at 35, 60 and 80 m were determined as 13.30±0.209, 14.60+0.322 and 14.31+0.238 cm respectively. The results showed, the difference among the whiting ratios which in total catch quantity at different depth was significant (p<0.05) on the other hand, the difference among the average lengths was regarded no significant (p>0.05)."> [PDF] Mezgit balığının (Merlangius merlangus euxinus Nordmann,1840) Doğu Karadeniz sahillerinde vertikal dağılımı ve toplam av içindeki oranı | [PDF] Vertical distribution and retio of whiting fish (Merlangius merlangus euxinus Nordmann,1840) in the total catch on the Eastren Black Sea coasts 0.05) belirlenmiştir."> 0.05) belirlenmiştir. Vertical Distribution and ratio of Whiting fish (Merlangius merlangus euxinus Nordmann, 1840) in the total catch on the Eastern Black Sea Coasts. In this study, seasonal vertical distribution, quantity at unit area and ratio of whiting fish in the total catch were examined at four different depths (15. 35, 60 and 80 m) on the Eastern Black Sea coasts of Turkey. Quantity of total catch gathered at 15 m depth was 894.7 kg, but no whiting was found in this quantity in any month of the year. Whiting was found in the total catch (4089.5 kg) in seven months of the year and 16% of total catch was constituted by whiting at 35 m depth. The density of whiting was found as 0.0025±0.00083 $kgm^{-2}$ at the same depth. Total catch quantity was 1981.4 kg while the quantity was constituted as 65.72% by whiting at 60 m depth. Whiting density was found as 0.0042+0.00072 kgm"2 at this depth. Total catch quantity gathered at 80 m depth was 3491.0 kg and %71.8 of total cath was constituted by whiting. Its density was determined as 0.0087±0.0038 $kgm^{-2}$ at the same depth. However, the average lengths at 35, 60 and 80 m were determined as 13.30±0.209, 14.60+0.322 and 14.31+0.238 cm respectively. The results showed, the difference among the whiting ratios which in total catch quantity at different depth was significant (p<0.05) on the other hand, the difference among the average lengths was regarded no significant (p>0.05).">

Mezgit balığının (Merlangius merlangus euxinus Nordmann,1840) Doğu Karadeniz sahillerinde vertikal dağılımı ve toplam av içindeki oranı

Bu çalışmada, Türkiye'nin Doğu Karadeniz sahillerindeki mezgitin 4 farklı derinlikteki (15,35,60 ve 80 m) yıllık vertikal dağılımı, birim alandaki miktarı ve toplam av içindeki oranı incelenmiştir. 15 m derinlikten elde edilen toplam av 894.7 kg olup, bu miktar içinde yılın hiçbir ayı mezgit bulunamamıştır. 35 m derinlikten elde edilen toplam av içinde (4089.5 kg) yılın sadece 7 ayında mezgit'e rastlanmış ve elde edilen avın %16.0'sının mezgit olduğu tespit edilmiştir. Aynı derinlikteki mezgit yoğunluğu 0.0025±0.00083 $kgm^{-2}$ olarak bulunmuştur. 60 m derinlikte toplam av miktarı 1981.4 kg iken bunun %65.72'sini mezgit oluşturmuştur. Bu derinlikteki mezgit yoğunluğunun 0.0042+0.00072 $kgm^{-2}$ olduğu tespit edilmiştir. 80 m derinlikten elde edilen toplam av miktarı ise 3491.0 kg olup, bunun %71.8'inin mezgit olduğu belirlenmiştir. Mezgit'in bu derinlikteki yoğunluğu da 0.0087±0.0038 kgm"2 olarak tespit edilmiştir. Bununla beraber 35, 60 ve 80 m derinliklerde ortalama boylar sırasıyla 13.3010.209, 14.60±0.322 ve 14.31+0.238 cm olarak belirlenmiştir. Elde edilen sonuçlara göre, farklı derinliklerdeki toplam av miktarı içinde mezgit balığı oranlan arasındaki farkın önemli olduğu (p0.05) belirlenmiştir.

Vertical distribution and retio of whiting fish (Merlangius merlangus euxinus Nordmann,1840) in the total catch on the Eastren Black Sea coasts

Vertical Distribution and ratio of Whiting fish (Merlangius merlangus euxinus Nordmann, 1840) in the total catch on the Eastern Black Sea Coasts. In this study, seasonal vertical distribution, quantity at unit area and ratio of whiting fish in the total catch were examined at four different depths (15. 35, 60 and 80 m) on the Eastern Black Sea coasts of Turkey. Quantity of total catch gathered at 15 m depth was 894.7 kg, but no whiting was found in this quantity in any month of the year. Whiting was found in the total catch (4089.5 kg) in seven months of the year and 16% of total catch was constituted by whiting at 35 m depth. The density of whiting was found as 0.0025±0.00083 $kgm^{-2}$ at the same depth. Total catch quantity was 1981.4 kg while the quantity was constituted as 65.72% by whiting at 60 m depth. Whiting density was found as 0.0042+0.00072 kgm"2 at this depth. Total catch quantity gathered at 80 m depth was 3491.0 kg and %71.8 of total cath was constituted by whiting. Its density was determined as 0.0087±0.0038 $kgm^{-2}$ at the same depth. However, the average lengths at 35, 60 and 80 m were determined as 13.30±0.209, 14.60+0.322 and 14.31+0.238 cm respectively. The results showed, the difference among the whiting ratios which in total catch quantity at different depth was significant (p<0.05) on the other hand, the difference among the average lengths was regarded no significant (p>0.05).
Su Ürünleri Dergisi-Cover
  • ISSN: 1300-1590
  • Yayın Aralığı: Yılda 4 Sayı
  • Başlangıç: 1984
  • Yayıncı: Aynur Lök
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