Ontogenetic Diet Shift of Invasive Gibel Carp (Carassius gibelio, Bloch 1782) in Karamenderes River (Turkey)

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dc.contributor.authorPartal, Nurbanu
dc.contributor.authorYalçın Özdilek, Şükran
dc.date.accessioned2025-01-27T19:20:33Z
dc.date.available2025-01-27T19:20:33Z
dc.date.issued2019
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThe ontogenetic diet shift of invasive Carassius gibelio (Bloch, 1782) wasinvestigated in Karamenderes River, Turkey. The fieldwork was performedduring summer 2012, autumn 2012 and spring 2013. The fishes were caught byelectrofishing and using gill nets. Nine fork length groups were used in order toassess the ontogenetic diet shift. The gut contents were assessed by the index ofrelative importance that was calculated from the frequency of occurrence,numerical abundance, and volumetric analyses. The most abundant length groupsof C. gibelio were 18-20 cm, 6-8 cm, and 27-29 cm length groups during summer2012, autumn 2012 and spring 2013, respectively. The feeding intensity was thelowest in the length groups of 15-17 cm during summer 2012, in 3-5 cm lengthgroup in autumn 2012 and in 24-26 cm length group in spring. Seasonal variationswere observed in the ontogenetic diet shift of C. gibelio. Large specimensconsumed more animal materials during summer and more algae in autumn. Therewas not any significant niche overlap recorded between small and large specimensexcept summer. Any niche overlap between small and large specimens might beadvantageous for the establishment success of invasive Gibel carp inKaramenderes River.
dc.identifier.doi10.17216/LimnoFish.461758
dc.identifier.endpage16
dc.identifier.issn2148-9300
dc.identifier.issn2149-4428
dc.identifier.issue1
dc.identifier.startpage6
dc.identifier.trdizinid339050
dc.identifier.urihttps://doi.org/10.17216/LimnoFish.461758
dc.identifier.urihttps://search.trdizin.gov.tr/tr/yayin/detay/339050
dc.identifier.urihttps://hdl.handle.net/20.500.12428/14928
dc.identifier.volume5
dc.indekslendigikaynakTR-Dizin
dc.language.isoen
dc.relation.ispartofJournal of Limnology and Freshwater Fisheries Research
dc.relation.publicationcategoryMakale - Ulusal Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_TRD_20250125
dc.subjectBalıkçılık
dc.subjectLimnoloji
dc.subjectDeniz ve Tatlı Su Biyolojisi
dc.subjectZooloji
dc.titleOntogenetic Diet Shift of Invasive Gibel Carp (Carassius gibelio, Bloch 1782) in Karamenderes River (Turkey)
dc.typeArticle

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