Mortality of Common pandora (Pagellus erythrinus Linnaeus, 1758) escaping from demersal trawl codends: Water temperature effect

Faik Ozan Düzbastılar; Altan Lök; Ali Ulaş

doi:10.12714/egejfas.2018.35.2.11

TR EN

Mortality of Common pandora (Pagellus erythrinus Linnaeus, 1758) escaping from demersal trawl codends: Water temperature effect

Abstract

In total, 24 replicate hauls were conducted on January-February in 2011 and September in 2012. A tailored bottom trawl with 800 meshes around the mouth was used with covers to retain individuals of common pandora (Pagellus erythrinus). Mortality of fish escaping through 40 mm square, 44 and 50 mm diamond mesh codends was investigated by collecting and monitoring the escapees from the codend covers for 7 days. We also observed possible water temperature effect in the escape mortality of common pandora. The escape mortality of common pandora was negligible (<5%). No significant was demonstrated difference in the average mortality for all test codends and controls between the winter and the summer (p>0.05). Mesh size and shape was not a significant factor (p>0.01) for the both seasons.

Keywords

Escape mortality,bottom trawl,common pandora,water temperature,Aegean Sea

Kaynakça

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Ayrıntılar

Birincil Dil

İngilizce

Konular

-

Bölüm

Araştırma Makalesi

Yazarlar

Faik Ozan Düzbastılar ^*
Ege Üniversitesi
0000-0002-5376-7198
Türkiye

Altan Lök
Ege Üniversitesi
0000-0003-0751-0620
Türkiye

Ali Ulaş
Ege Üniversitesi
0000-0001-8012-2769
Türkiye

Yayımlanma Tarihi

15 Haziran 2018

Gönderilme Tarihi

26 Şubat 2018

Kabul Tarihi

2 Nisan 2018

Yayımlandığı Sayı

Yıl 2018 Cilt: 35 Sayı: 2

DOI

https://doi.org/10.12714/egejfas.2018.35.2.11

IZ

https://izlik.org/JA35US68YC

Kaynak Göster

RIS / Bibtex

APA

Düzbastılar, F. O., Lök, A., & Ulaş, A. (2018). Mortality of Common pandora (Pagellus erythrinus Linnaeus, 1758) escaping from demersal trawl codends: Water temperature effect. Ege Journal of Fisheries and Aquatic Sciences, 35(2), 181-188. https://doi.org/10.12714/egejfas.2018.35.2.11

Mortality of Common pandora (Pagellus erythrinus Linnaeus, 1758) escaping from demersal trawl codends: Water temperature effect

Dip trolünün torba kısmından kaçan kırma mercan balığının (Pagellus erythrinus Linnaeus, 1758) ölüm oranları: Su sıcaklığının etkisi

Öz

Anahtar Kelimeler

Mortality of Common pandora (Pagellus erythrinus Linnaeus, 1758) escaping from demersal trawl codends: Water temperature effect

Abstract

Keywords

Kaynakça

Ayrıntılar

Birincil Dil

Konular

Bölüm

Yazarlar

Yayımlanma Tarihi

Gönderilme Tarihi

Kabul Tarihi

Yayımlandığı Sayı

DOI

IZ

Kaynak Göster