Circumstantial evidence of gibel carp, Carassius gibelio, reproductive competition exerted on native fish species in a mesotrophic reservoir

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dc.authoridSaç, Gülşah/0000-0001-9988-1116
dc.authoridGAYGUSUZ, Özcan/0000-0001-6861-6221
dc.authoridTarkan, Ali Serhan/0000-0001-8628-0514
dc.authoridCopp, Gordon H./0000-0002-4112-3440
dc.authoridGaygusuz, Özcan/0000-0001-6861-6221
dc.authorwosidSaç, Gülşah/P-6703-2019
dc.authorwosidGAYGUSUZ, Özcan/D-1660-2013
dc.authorwosidTarkan, Ali Serhan/IXD-6486-2023
dc.authorwosidTarkan, Ali Serhan/AAT-7207-2021
dc.authorwosidCopp, Gordon H./D-5284-2013
dc.authorwosidGaygusuz, Özcan/AAB-9578-2020
dc.contributor.authorTarkan, A. S.
dc.contributor.authorGaygusuz, O.
dc.contributor.authorGaygusuz, C. Gursoy
dc.contributor.authorSac, G.
dc.contributor.authorCopp, G. H.
dc.date.accessioned2024-06-12T11:01:33Z
dc.date.available2024-06-12T11:01:33Z
dc.date.issued2012
dc.departmentTrakya Üniversitesien_US
dc.description.abstractGibel carp, Carassius gibelio (Bloch), impacts on native fish species have been reported but little studied despite a long history of introductions in Europe. This species is able to reproduce gynogenetically, which involves the use of sperm from males of other species to activate egg development, so reproductive competition is a likely but virtually unstudied impact of gibel carp on native fishes. This study evaluates the impact of introduced C.similar to gibelio on the population biology of native fishes over a 6-year period in a mesotrophic drinking water reservoir in north-western Turkey. A dramatic decrease in the relative density (i.e. catch per unit effort) of native species correlated significantly with an increase in C.similar to gibelio relative density. Growth characteristics (back-calculated ages, growth index and relative condition) and length at maturity did not differ significantly among years in C.similar to gibelio and native fishes. Relative density, duration of spawning, reproductive effort and gonado-somatic index of C.similar to gibelio increased with some water quality variables [total phosphorus (TP); chlorophyll-a (Chl-a)] and coincided with decreasing trends for natives. However, TP and Chl-a were not correlated with growth features in C.similar to gibelio or natives fishes. The results suggest that the decline in the reservoirs native cyprinid populations is likely due to a combination of degrading environmental conditions and a disparity in reproductive effort, with introduced C.similar to gibelio invasion facilitated by gynogenetic reproduction and an observed interference with native fishes during spawning.en_US
dc.identifier.doi10.1111/j.1365-2400.2011.00839.x
dc.identifier.endpage177en_US
dc.identifier.issn0969-997X
dc.identifier.issue2en_US
dc.identifier.scopus2-s2.0-84858192607en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage167en_US
dc.identifier.urihttps://doi.org/10.1111/j.1365-2400.2011.00839.x
dc.identifier.urihttps://hdl.handle.net/20.500.14551/20944
dc.identifier.volume19en_US
dc.identifier.wosWOS:000301429900008en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherWiley-Blackwellen_US
dc.relation.ispartofFisheries Management And Ecologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectEutrophicationen_US
dc.subjectIllegal Releasesen_US
dc.subjectReproductive Efforten_US
dc.subjectSpawning Groundsen_US
dc.subjectFresh-Water Fishen_US
dc.subjectInland Watersen_US
dc.subjectGynogenetic Reproductionen_US
dc.subjectOmerli Reservoiren_US
dc.subjectAuratus-Gibelioen_US
dc.subjectBaltic Seaen_US
dc.subjectTurkeyen_US
dc.subjectBlochen_US
dc.subjectLakeen_US
dc.subjectIntroductionsen_US
dc.titleCircumstantial evidence of gibel carp, Carassius gibelio, reproductive competition exerted on native fish species in a mesotrophic reservoiren_US
dc.typeArticleen_US

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