GROWTH AND CONDITION OF INVASIVE SPECIES PRUSSIAN CARP, CARASSIUS GIBELIO (BLOCH, 1782) IN A DAM LAKES FROM BUYUK MENDERES BASIN (TURKEY)

Yıl 2015, Cilt: 1 Sayı: 2, 6 - 10, 04.11.2015

Huseyin Sasi

https://doi.org/10.22531/muglajsci.210000

Cited By: 2

Öz

In this research, some biological characters as growth compositions, mortality, age-length, age-weight, condition factors of prussian carp, Carassius gibelio L. 1783 were determined from 172 specimens caught in the southwest of Turkey during the one year. The age compositions of specimens were between III-VI years, and sex percentages were found as 98.84% for females and 1.16% for males. The forked length varied between 23.80 and29.50 cm, while weight ranged from 356.30 to702.00 g. Growth of population was the most rapid at the first years of life afterwards growth ratio was slower. Growth were expressed in length and weight, and the von Bertalanffy growth equations were found as Lt = 41.46 (1- exp -0.101 ( t + 5.523 ) ) and Wt = 1579.54 (1- exp -0.101 ( t + 5.523) ) 2.74. The following equation is for length-weight relationship, W =0.03622 LF 2.88, R2 = 0.996.

Anahtar Kelimeler

Prussian carp, Invasive, Carassius gibelio, Growth, Condition, Buyuk Menderes, Turkey

BÜYÜK MENDERES HAVZASI’NDAKİ (TÜRKİYE) İSTİLACI TÜR KARAS BALIĞI, CARASSIUS GIBELIO (BLOCH, 1782)’NUN BÜYÜME VE KONDÜSYONU

Öz

Bu çalışmada, Türkiye’nin güney batısında bulunan bir baraj gölü’nden 1 yıl boyunca yakalanan 172 karas balığının, Carassius gibelio (Bloch, 1782) büyüme, ölüm oranları, yaş-boy, yaş ağırlık ve kondisyon faktörleri gibi bazı biyolojik özellikleri belirlenmiştir. Yaş kompozisyonu III-VI yaşları arasında dağılım göstermiş olup, eşey oranları dişilerde %98.84 ve erkeklerde %1.16 oranlarında olmuştur. Karas balığının çatal boyu 23.80-29.50 cm arasındayken, ağırlıkları 356.30-702.00 g arasında değişmiştir. Populasyonun büyümesi ilk yıllarda daha hızlı olurken, sonraki yıllarda büyüme oranları daha yavaşlamıştır. Büyümeleri Boy ve Ağırlık olarak, von Bertalanffy büyüme denklemleriyle bulunmuştur. Lt = 41.46 (1- exp -0.101( t + 5.523 )) ve Wt = 1579.54 (1- exp-0.101 ( t + 5.523))2.74. Boy-Ağırlık ilişkisi aşağıdaki şekilde olmuştur. W = 0.03622 LF 2.88 , R2 = 0.996

Anahtar Kelimeler

Karas balığı, İstilacı, Carassius gibelio, Büyüme, Kondisyon, Büyük Menderes, Türkiye

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