Aşağı Melet Irmağı (Ordu, Türkiye)’nda Yaşayan Capoeta banarescui’nun Otolit Kütle Asimetrisinin Belirlenmesi

Yıl 2019, Cilt: 4 Sayı: 2, 151 - 155, 31.08.2019

Gülşah Kurucu , Derya Bostancı , Nazmi Polat

https://doi.org/10.35229/jaes.553091

Cited By: 2

Öz

Asimetri, balığın vestibular ve
işitsel fonksiyonları üzerinde önemli etkilere sebep olmaktadır fakat bu
konuyla ilgili olarak sınırlı sayıda çalışma bulunmaktadır. Bu çalışmanın
amacı, Ordu ili içme su
kaynağı olarak da kullanılan Melet Irmağı’nda yayılış gösteren C.
banarescui türünde, daha
önceden belirlenmemiş olan,
otolit kütle asimetrisi (x) ve mutlak otolit kütle asimetrisinin
(|x|) belirlenmesidir. Balıkların total boyları ölçülmüş, asteriskus otolit çiftleri çıkarılarak 0,0001
hassasiyetle tartılmıştır. Otolit kütle simetrisi (x), mutlak
otolit kütle asimetrisi (|x|) ve otolit kütle farkı (M_R-M_L)
değerleri hesaplanarak, balık boyu ile x, |x| ve (M_R-M_L)
arasındaki ilişkiler belirlenmiştir. C. banarescui bireylerinin sağ ve
sol otolit ağırlıkları arasındaki fark, paired-t testine göre istatistiksel
olarak önemsiz bulunmuştur (P>0,05). Ortalama x ve |x| değerleri -0,00803 ve 0,0855 olarak hesaplanmıştır.
Total boy-x, total boy-|x|
ve total boy-(M_R-M_L) arasındaki ilişkiler sırasıyla
y=0,0011x+0,0434; y=0,0066x+0,1457 ve y=0,0000008x+0,00003 olarak tespit
edilmiştir.

Anahtar Kelimeler

Otolit kütle asimetrisi, Capoeta banarescui, Aşağı Melet Irmağı

Determination of Otolith Mass Asymmetry in Capoeta banarescui Inhabiting Lower Melet River (Ordu, Turkey)

Öz

Although
asymmetry causes significant effects on the vestibular and auditory functions
of the fish, there are a limited number of studies on this subject. The aim of
this study is to determine the otolith mass asymmetry and absolute otolith mass
asymmetry of the Capoeta banarescui inhabiting
the Lower Melet River which is
also used as drinking water source in Ordu province. Total lengths of fish samples were measured,
asteriscus otolith pairs were removed and weighed to the nearest 0.0001. Otolith mass symmetry (x), absolute otolith mass asymmetry (|x|) and otolith mass difference (MR-ML) values are calculated and
than the relationships between total length and x, |x| and (MR-ML) were
determined. The difference between right and left otolith weights of C. banarescui samples was not
statistically significant compared to paired-t test (P>0.05). x and |x| mean values were calculated as -0.00803
and 0.0855, respectively.
Total length-x, total length-|x| and total length-(MR-ML) relationships
were y=0.0011x+0.0434; y=0.0066x+0.1457 and y=0.0000008x+0.00003, respectively.

Anahtar Kelimeler

Otolith mass asymmetry, Capoeta banarescui, Lower Melet River

Kaynakça

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