Güneydoğu Karadeniz'de (Rize, Türkiye) Krişli Trolle Yakalanan Dil Balığı'nın, Arnoglossus kessleri Schmidt, 1915 (Pleuronectiformes: Bothidae), Boy-Ağırlık İlişkisi

Year 2019, Volume: 4 Issue: 3, 354 - 358, 30.12.2019

Sabri Bilgin , Hatice Onay

https://doi.org/10.35229/jaes.596048

Cited By: 1

Abstract

Dil balığı (Arnoglossus kessleri) Akdeniz ve Karadeniz'e endemik bir türdür. Bu çalışma, bu endemik dil balığın boy ağırlık ilişkisi (WLRs) parametrelerini belirlemek için güney doğu Karadeniz'de Rize ili civarında krişli trol ile örneklenen bireyler üzerinden yürütülmüş olup ayrıca türün Karadeniz'deki balıkçılık yönetimine katkı sağlamak amacıyla önceki çalışmalardan elde edilen WLRs parametreleri karşılaştırmıştır. WLRs parametreleri dişilerin izometrik büyüme (Pauly’ t test, P > 0,05), erkek ve tüm bireylerin (dişi+erkek) ise pozitif allometrik (hyperallometric) büyüme (Pauly’ t test, P < 0,05) özelliği gösterdiğini ortaya koymuştur. Korelasyon katsayısı (r) istatistiksel olarak sıfırdan farklı hesaplanmış olup (P < 0,05), bu sonuç dil balığı için hesaplanan WLRs denklemi parametreleri arasındaki ilişkinin güçlü olduğunu göstermiştir. Ayrıca, önceki çalışmalardan elde edilen log(a) ve b değerleri regresyona tabi tutulduğunda, bu çalışmada tüm A. kessleri bireyler için (dişi+erkek) elde edilen sonuçların önceki çalışmalarla tutarlı olduğu belirlenmiştir. Bu çalışma, Türkiye'nin Karadeniz kıyı sularında A. kessleri popülasyonlarının sürdürülebilir balıkçılık yönetimini desteklemek için türün boy ağırlık ilişkisi hakkında yeni temel bilgiler sunmaktadır.

Keywords

Arnoglossus kessleri, balıkçılık yönetimi, boy ağırlık ilişkisi (WLRs), Dil balığı, Karadeniz

Weight-Length Relationships (WLRs) of Scaldback, Arnoglossus kessleri Schmidt, 1915 (Pleuronectiformes: Bothidae), Caught by Beam Trawl in the Southeastern Black Sea (Rize, Turkey)

Abstract

The Scaldback, Arnoglossus kessleri, is an endemic fish
to the Mediterranean and Black seas. The present study was conducted to
determine the weight-length relationships (WLRs) of this endemic species caught
by beam trawl on the Rize province coasts of the southeastern Black Sea, Turkey
and to compare the WLRs parameters of A.
kessleri from different geographical
locality for contributing fisheries management of this fish species in the
Black Sea. The WLRs parameters of A. kessleri were showed that A. kessleri
exhibited
positive allometric (or hyperallometric) growth characteristics for male
and combined data (Pauly’ t test, P <
0.05) and isometric growth for female (Pauly’ t test, P > 0.05). The values of coefficient (r) for female, male and combined data of this species are different
from zero (P < 0.05), indicated
that A. kessleri has higher correlation in the WLRs equations. In addition
to this, to compare the estimations calculated from the present study with
other studies, log(a) values were
plotted against values of slope (b),
proved to be consistent with previous studies data for unsexed A. kessleri
specimens. This study provides new basic information
on the LWRs for A. kessleri populations,
in support of sustainable fisheries management of this species and especially
of the coastal waters in the Black Sea, Turkey.

Keywords

Arnoglossus kessleri, Black Sea, fisheries management, Scaldback, weight-length relationships (WLRs)

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