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

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

Öz

Ocak-Şubat 2011 ve Eylül 2012 tarihleri arasında toplam 24 trol çekimi yapılmıştır. 800 gözlü kesimli dip trol ağından kaçan kırma mercan (Pagellus erythrinus) bireylerini yakalamak için örtü kullanılmıştır. 40 mm kare, 44 ve 50 mm rombik gözlü trol torbalarından kaçan bireylerin ölüm oranları 7 gün boyunca yapılan gözlemler ile tespit edilmiştir. Ayrıca su sıcaklığının kırma mercan ölümleri üzerine etkisi de incelenmiştir. Kırma mercan’ın ölüm oranları düşük bulunmuştur (<%5). Kış ve yaz mevsimleri için deneme ve kontrol gruplarında saptanan ortalama ölüm oranlarında istatistiksel olarak önemli bir fark bulunmamıştır (p>0,05). Her iki mevsim için de ağ göz boyutu ve şekli istatistiksel olarak önemli bir faktör değildir (p>0,01).

Anahtar Kelimeler

Kaçış mortalitesi,dip trolü,kırma mercan,su sıcaklığı,Ege Denizi

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Details

Primary Language

English

Subjects

-

Journal Section

Research Article

Authors

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

Publication Date

June 15, 2018

Submission Date

February 26, 2018

Acceptance Date

April 2, 2018

Published in Issue

Year 1970 Volume: 35 Number: 2

DOI

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

IZ

https://izlik.org/JA35US68YC

Cite

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