Studies on the age, growth and reproduction characteristics of the chub, Leuciscus cephalus orientalis, (Nordmann, 1840) in Karasu River, Turkey

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dc.authoridTurkmen, Mustafa/0000-0001-6700-5947
dc.contributor.authorErdogan, O
dc.contributor.authorTürkmen, M
dc.contributor.authorYildirim, A
dc.date.accessioned2024-09-18T20:11:26Z
dc.date.available2024-09-18T20:11:26Z
dc.date.issued2002
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractThis study is based on the examination of 759 chubs from Karasu River (40degrees 45' 33 E, 39degrees 56' 16 N) between November 1995 and October 1997. This population comprised seven age groups of males and nine of females. The second age group was dominant in the population. Individuals were composed of 50.46% males and 49.54% females. The male and female ratio was 1:1.019 (M:F). The Von Bertalariffy growth parameters and length-weight relationships were; L-t = 35.8765 (1-e-(0.1241(t+1.16660)), W-t = 583.2981 (1-e(-0,1241(t+1.16660)))(2.952), W = 0.0150 FL2.952 in males and L-t = 41.4154 (1-e(-0.1160(t+1.3207))), W-t = 936.3338 (1-e(-0.1160(t+1.3207))(2.980), W = 0.0142 FL2.980 in females, respectively. The condition coefficients of male, female and all specimens were; 1.32, 1.35 and 1.33, respectively. The relationships between fecundity (F) and fish length (FL), fish weight (W), gonad weight (W-o), and fish age (t) were; F = 1.699 FL2.847 (r = 0.813), F = 969.424 W-o(1.019) (r = 0.953), F = 95.669 W-0.955 (r = 0.843) and F = 862.017 t(0.589) (r = 0.814), respectively. In addition, the relationships. between gonad weight and total weight, fork length of samples were; W-o = 0.394 + 0.723 W (r = 0.763) and W-o = -8.953 + 0.894 FL (r = 0.714) in females (in 119 samples), W-t = 1.598 + 0.037 W (r = 0.660) and W-t = -2.965 + 0.429 FL (r 0.643) in males (in 117 samples), respectively. Fecundity varied from a mean of 5012 eggs per female (III years old) to a mean of 25,000 eggs per female (VIII years old). Egg diameter varied between 100 mum and 137 mum with a mean of 119 mum. The reproduction period of this species inhabiting Karasu River was between May and July, and the first reproduction ages were; age II (for males) and age III (for females).en_US
dc.identifier.endpage991en_US
dc.identifier.issn1300-0128
dc.identifier.issue5en_US
dc.identifier.scopus2-s2.0-0036034233en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage983en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12483/8846
dc.identifier.volume26en_US
dc.identifier.wosWOS:000178687000001en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherTubitak Scientific & Technological Research Council Turkeyen_US
dc.relation.ispartofTurkish Journal of Veterinary & Animal Sciencesen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectchuben_US
dc.subjectLeuciscus cephalus orientalisen_US
dc.subjectageen_US
dc.subjectgrowthen_US
dc.subjectreproductionen_US
dc.subjectKarasu Riveren_US
dc.titleStudies on the age, growth and reproduction characteristics of the chub, Leuciscus cephalus orientalis, (Nordmann, 1840) in Karasu River, Turkeyen_US
dc.typeArticleen_US

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