Condition Factor, Length-Length and Length-Weight Relationships for Pagellus acarne Inhabiting the Sea of Marmara

Yıl 2019, , 82 - 88, 31.08.2019

Serdar Yedier , Seda Kontaş , Derya Bostancı

https://doi.org/10.35229/jaes.542005

Cited By: 15

Öz

In this study, it was aimed to determine
the length-weight and length-length relationships with condition factor values for
P. acarne from offshore waters of Tekirdağ in the Sea
of Marmara Sea. A total of 294 fish samples were studied as a result of working
in coordination with local fishermen. A total of 294 fish samples were
obtained from a coordinated study between 2017 and 2018 with local fishermen. Total length(TL), fork length, standard length and
weight of the fish(W) samples were measured to the nearest 0.1 cm and 0.1 g
respectively. As a result of t-test, female and male samples were evaluated
together because there was no statistical difference between the measurements
of male and female samples. The minimum condition factor value of P.
acarne, which were evaluated without regard to
sex, was 0.9954 and the maximum condition factor value was 1.4539. The
length-weight relationship equation and correlation coefficient of P. acarne were determined as W = 0.02TL^2.8142
and r² = 0.8409, respectively. The 95% confidence interval of the ‘b’ value in the length- weight relationship
equation was 2.8109-2.8164. In this study, it was determined that P. acarne showed a negative allometric
growth in this habitat. Fork length-total length, standard length-total length
and standard length-fork length relationship equations and correlation
coefficients of P. acarne were
determined as y=0,7767x+0,1565 (r²=0,8910), y=0,8833x+0.2836 (r²=0,9185) and
y=0,8273x+0,4961 (r²=0,8585), respectively. The determined parameters of
P. acarne species are the first data
for the Tekirdağ population in the Sea of Marmara.

Anahtar Kelimeler

Pagellus acarne, length-weight relationship, length-length relationship, condition factor

Marmara Denizi'nde Yaşayan Pagellus acarne (Risso, 1827)'nin Kondisyon Faktörü, Boy-Boy ve Boy-Ağırlık İlişkileri

Öz

Bu çalışmada, Marmara Denizi’nin Tekirdağ açıklarında yayılım gösteren P.
acarne türünün boy-ağırlık ve boy-boy ilişkileri ile kondisyon faktörü
değerlerinin belirlenmesi amaçlanmıştır. 2017 ve 2018 yılları arasında yerel balıkçılarla koordineli bir çalışmanın
sonucunda elde edilen toplam 294 balık bireyi incelenmiştir. Balık bireylerinin
total boy(TB), çatal boy ve standart boy ölçümleri 0,1 cm hassasiyette
yapılmıştır. Balıkların ağırlıkları(W) ise 0,1 g hassasiyetle belirlenmiştir.
Yapılan t testi sonucunda dişi ve erkek bireylerin ölçümleri arasında
istatistiksel fark olmadığı için bu çalışmada dişi ve erkek bireyler beraber
değerlendirilmiştir. Eşey ayrımı gözetilmeden değerlendirilen P. acarne bireyinin
minimum kondisyon faktörü değeri 0,9954 ve maksimum kondisyon faktörü değeri
ise 1,4539 olarak hesaplanmıştır. P. acarne’nin boy-ağırlık ilişkisi
denklemi ve korelasyon katsayısı sırasıyla W=0,02TB^2,8142 ve r²=0,8409
olarak belirlenmiştir. Boy-ağırlık ilişki denklemindeki “b” değerinin %95’lik güven aralığı 2,8109-2,8164 olarak
bulunmuştur. P. acarne türünün bu habitatta negatif allometrik bir
büyüme gösterdiği belirlenmiştir. P. acarne türünün çatal boy-total boy,
standart boy-total boy ve standart boy-çatal boy ilişkileri denklemleri ve
korelasyon katsayıları sırasıyla y=0,7767x+0,1565 (r²=0,8910), y=0,8833x+0.2836
(r²=0,9185) ve y=0,8273x+0,4961 (r²=0,8585) olarak belirlenmiştir. Belirlenen popülasyon parametreleri P.
acarne türünün Marmara Denizi Tekirdağ popülasyonu için ilk
verilerdir.

Anahtar Kelimeler

Pagellus acarne, boy-ağırlık ilişkisi, boy-boy ilişkisi, kondisyon faktörü

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