An invasive species, Carassius gibelio, alters the native fish community through trophic niche competition

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dc.authoridPartal, Nurbanu/0000-0001-7203-8129
dc.authoridYalcin Ozdilek, Sukran/0000-0001-8264-7606
dc.authoridJones, Roger/0000-0002-0835-8264
dc.contributor.authorYalçın Özdilek, Şükran
dc.contributor.authorPartal, Nurbanu
dc.contributor.authorJones, Roger I.
dc.date.accessioned2025-01-27T21:05:40Z
dc.date.available2025-01-27T21:05:40Z
dc.date.issued2019
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractCarbon and nitrogen stable isotope analyses were used to determine isotopic niche width of the invasive fish species Carassius gibelio to help assess the niche overlap and potential impact of this species on the native fish fauna in the Karamenderes River, northwest Turkey. C. gibelio had the highest niche area of the coexisting species. The greatest overlap of isotopic niche was between C. gibelio and Mugil cephalus in the river mouth. The freshwater species displayed similar patterns when taking into consideration their relative abundance and isotopic overlap. While C. gibelio is likely to outcompete some species at some localities, the species was found co-occurring with others by maximum tolerable overlap degree and apparently utilised vacant niche space at some stations. Overall our results indicate that C. gibelio has extensive niche overlap with the native fish species making it a strong competitor, and because of its high abundance and high niche width this invasive species represents a serious threat to the native fish fauna, particularly in the river mouth.
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TUBITAK) [111Y280, B.12.0BSU.0.01.00.00/140.03.03-460, 65465693-605/20.08.2014]
dc.description.sponsorshipThis project was supported by The Scientific and Technological Research Council of Turkey (TUBITAK) 111Y280 coded project. We thank fisherman Selahattin EROL for help sampling with the B.12.0BSU.0.01.00.00/140.03.03-460 and 65465693-605/20.08.2014 numbered legal permissions. We thank the project team for valuable support in the field studies. We also thank two anonymous reviewers for their helpful comments.
dc.identifier.doi10.1007/s00027-019-0623-6
dc.identifier.issn1015-1621
dc.identifier.issn1420-9055
dc.identifier.issue2
dc.identifier.scopus2-s2.0-85061322002
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1007/s00027-019-0623-6
dc.identifier.urihttps://hdl.handle.net/20.500.12428/27754
dc.identifier.volume81
dc.identifier.wosWOS:000458125800002
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer Basel Ag
dc.relation.ispartofAquatic Sciences
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WoS_20250125
dc.subjectFeeding ecology
dc.subjectFish
dc.subjectStable isotopes
dc.subjectInvasive
dc.titleAn invasive species, Carassius gibelio, alters the native fish community through trophic niche competition
dc.typeArticle

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