The growth and reproduction characteristics of chub Leuciscus cephalus orientalis (Nordmann, 1840) living in the River Aras

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dc.authorscopusid57220468835
dc.authorscopusid6603644376
dc.authorscopusid7006097499
dc.authorscopusid7004847175
dc.contributor.authorTürkmen, Mustafa
dc.contributor.authorHalilo?lu, H. Ibrahim
dc.contributor.authorErdo?an, Orhan
dc.contributor.authorYildirim, Ayhan
dc.date.accessioned2024-09-19T15:48:31Z
dc.date.available2024-09-19T15:48:31Z
dc.date.issued1999
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractIn this study, the populations structure, growth and reproduction characteristics of 1091 Leuciscus cephalus orientalis from the Yagan Region of River Aras between December 1995 and November 1997 were investigated monthly. The age composition of this species ranged between I and VIII. Individuals were composed of 48.85% males and 51.15% females. Female individuals attained greater size and age than males. The largest Female captured was 27.5 cm FL and age VIII, while the largest male was 24.1 cm FL and age VIII. Von Bertalanffy growth equations (in length and weight) and length-weight relationships were found as Lt=32.47(1-e(-0.1217(t+1.63))), Wt=502.10(1-e(-0.1217(t+1.63)))3.113 in males and Lt=36.66(1-e(-0.1114(t+1.39))), Wt=745.31(1-e(-0.1114(t+1.39)))3.135, W=0.0093L3.135 in females. Mean condition coefficients of males and females were calculated as 1.326 and 1.333 respectively. Males matured at ages II-III and females at ages III-IV. Spawning in the both years of study occurred between May and July. Fecundity ranged between 3391-17187 eggs/female and was correlated significantly with fish length, weight, age and gonad weight. The minimum fishing size for this species in the River Aras is suggested to be 20.0 cm in terms of total length and it is recommended that fishing be prohibited between May and July.en_US
dc.identifier.endpage364en_US
dc.identifier.issn1300-0179
dc.identifier.issue4en_US
dc.identifier.scopus2-s2.0-0343775832en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage355en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12483/15129
dc.identifier.volume23en_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.relation.ispartofTurkish Journal of Zoologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectGrowthen_US
dc.subjectLeuciscus cephalus orientalisen_US
dc.subjectPopulation structureen_US
dc.subjectRiver Arasen_US
dc.subjectSpawning age and seasonen_US
dc.titleThe growth and reproduction characteristics of chub Leuciscus cephalus orientalis (Nordmann, 1840) living in the River Arasen_US
dc.typeArticleen_US

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