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  • Turkish Journal of Zoology
  • Volume:31 Issue:2
  • Some Reproduction Characteristics of Chalcalburnus mossulensis (Heckel, 1843) Inhabiting the Karasu ...

Some Reproduction Characteristics of Chalcalburnus mossulensis (Heckel, 1843) Inhabiting the Karasu River (Erzurum, Turkey)

Authors : Ayhan YILDIRIM, Halil İbrahim HALİLOĞLU, Orhan ERDOĞAN, Mustafa TÜRKMEN
Pages : 193-200
View : 20 | Download : 7
Publication Date : 0000-00-00
Article Type : Research Paper
Abstract :Kas›m 1995 ile Ekim 1997 tarihleri aras›nda Karasu Nehri Aflkale mevkiinden yakalanan Chalcalburnus mossulensis`in cinsiyet oran›, üreme mevsimi, ilk olgunluk, yumurta verimi gibi üreme özellikleri araflt›r›lm›flt›r. Erkek difli oran› 1:1,08 ve istatistik olarak önemsiz bulunmufltur. Yumurta verimi 3012 ile 11.417 yumurta/birey aras›nda de¤iflmifltir. Yumurta verimi ile boy, a¤›rl›k, gonat a¤›rl›¤› ve yafl aras›nda korelasyonlar bulunmufltur. ‹lk olgunluk yafl› ve boyu da, erkek ve difliler için s›ras›yla, 1,26 y›l, 9,24 cm ve 1,81 y›l, 9,65 cm olarak hesaplanm›flt›r. Üreme su sicakl›¤›n›n 15 °C ulaflt›¤› Haziran ile A¤ustos aras›nda meydana gelmifltir.
Keywords : Chalcalburnus mossulensis, yumurta verimi, olgunluk, üreme mevsimi, Karasu Nehri

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