Summer ichthyoplankton assemblages and their environmental drivers in the Sinop Peninsula, Southern Central Black Sea

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dc.contributor.authorUygun, Orcin
dc.contributor.authorBat, Levent
dc.contributor.authorDagtekin, Murat
dc.contributor.authorUstun, Funda
dc.date.accessioned2026-04-25T14:20:04Z
dc.date.available2026-04-25T14:20:04Z
dc.date.issued2026
dc.departmentSinop Üniversitesi
dc.description.abstractThis study examines the composition and spatial distribution of ichthyoplankton assemblages in the central southern Black Sea, with a focus on the Sinop Peninsula. Ichthyoplankton samples were collected in June 2023 from 17 stations, and a total of 17 taxa belonging to 13 families were identified. Eggs of Engraulis encrasicolus, Merlangius merlangus, and Trachurus mediterraneus were the most abundant among ichthyoplankton, while larvae of Gobius niger and Diplodus annularis were dominant. The Shannon-Weaver index (H ') varied notably among stations, peaking at 2.32 in the easternmost site. Multivariate analyses (DistLM, dbRDA) revealed significant spatial differentiation in community structure, which was primarily associated with gradients in salinity, surface current velocity, and temperature. Environmental gradients are primary determinants of ichthyoplankton distribution, and mesoscale oceanographic processes significantly influence coastal ecosystem structure. Spatial segregation of spawning habitats, particularly between anchovy and horse mackerel, reflects distinct speciesspecific responses to salinity and current velocity in the Black Sea. This study provides a comprehensive description of the structure of the ichthyoplankton assemblages during the post-rainfall period, thereby establishing an important foundation for assessing the potential impacts of short-term meteorological disturbances on sensitive marine ecosystems.
dc.description.sponsorshipBRIDGE-BS project [101000240]
dc.description.sponsorshipThis study was carried out at Pilot Site (PS) 7 station within the framework of the BRIDGE-BS project with Grant Agreement number: 101000240.
dc.identifier.doi10.1016/j.rsma.2026.104769
dc.identifier.issn2352-4855
dc.identifier.scopus2-s2.0-105027966866
dc.identifier.scopusqualityN/A
dc.identifier.urihttps://doi.org/10.1016/j.rsma.2026.104769
dc.identifier.urihttps://hdl.handle.net/11486/8332
dc.identifier.volume94
dc.identifier.wosWOS:001663958800001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier
dc.relation.ispartofRegional Studies in Marine Science
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20260420
dc.subjectFish eggs and larvae
dc.subjectEngraulis encrasicolus
dc.subjectSpecies diversity
dc.subjectCurrent Dynamics
dc.subjectMultivariate analysis
dc.subjectSinop
dc.titleSummer ichthyoplankton assemblages and their environmental drivers in the Sinop Peninsula, Southern Central Black Sea
dc.typeArticle

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