Benthic Faunal Assemblages of the Holocene Sediments from the Southwest Black Sea Shelf

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dc.contributor.authorOngan, Demet
dc.contributor.authorAlgan, Oya
dc.contributor.authorKapan-Yesilyurt, Sevinc
dc.contributor.authorNazik, Atike
dc.contributor.authorErgin, Mustafa
dc.contributor.authorEastoe, Christ
dc.date.accessioned2025-01-27T20:43:59Z
dc.date.available2025-01-27T20:43:59Z
dc.date.issued2009
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractBenthic faunal content (benthic foraminifera, mollusca and ostracoda) of sediment cores from the SW Black Sea shelf were examined. Based on the vertical distribution of abundance and diversity of the benthic fauna, three benthic assemblages were distinguished. These assemblages are BF1, BF2 and BF3, and reflect the changes in bottom water from the termination of the Neoeuxinian period to present. BF1 displays high abundance and diversity in the surroundings of the Bosporus channel, diminishing in the shelf sediments further away from the channel. In the Mid-Shelf and Outer Shelf, it displays low abundance and low diversity. BF1 which started to be deposited at about 6 ky BP reflects the source effect of the saline Mediterranean lower layer, diminishing in strength toward more distal areas. In the Outer Shelf, changing foraminiferal faunal content may suggest that relatively low salinity conditions in the bottom water were established after similar to 4 ky BP. BF2 consists of a mixed fauna (brackish and euryhaline Mediterranean species), suggesting transitional conditions with intrusion of Mediterranean water earlier than similar to 8 ky BP. BF3 corresponds to the Neoeuxinian lake phase of the Black Sea.
dc.description.sponsorshipIstanbul University [T-1151/18062001]; Scientific and Technological Research Council of Turkey (TUBITAK) [YDABCAG-198Y083]
dc.description.sponsorshipThe authors wish to thank the captains and the crew of R/V Arar (IU-IMSM) and R/V Alliance ( NATO) for their help during sampling. The present work was supported by the Research Fund of Istanbul University, project number T-1151/18062001, for the PhD Thesis of the first author of the paper. The samples studied in this paper were collected within the scope of a research project supported by the Scientific and Technological Research Council of Turkey (TUBITAK), project number YDABCAG-198Y083. We are grateful to Prof. Dr. E. Meri and Dr. E. Kirci-Elmas for their useful suggestions during the preparation of this paper. Prof. Jerry Lloyd and Dr. Henko de Stigter are greatly appreciated for their reviews that helped to improve the earlier version of this manuscript.
dc.identifier.doi10.3906/yer-0710-2
dc.identifier.endpage297
dc.identifier.issn1300-0985
dc.identifier.issue2
dc.identifier.scopus2-s2.0-66949135085
dc.identifier.scopusqualityQ2
dc.identifier.startpage239
dc.identifier.trdizinid91396
dc.identifier.urihttps://doi.org/10.3906/yer-0710-2
dc.identifier.urihttps://search.trdizin.gov.tr/tr/yayin/detay/91396
dc.identifier.urihttps://hdl.handle.net/20.500.12428/24442
dc.identifier.volume18
dc.identifier.wosWOS:000266902800005
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakTR-Dizin
dc.language.isoen
dc.publisherTubitak Scientific & Technological Research Council Turkey
dc.relation.ispartofTurkish Journal of Earth Sciences
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WoS_20250125
dc.subjectBlack Sea
dc.subjectbenthic fauna
dc.subjectHolocene
dc.subjectMediterranean
dc.subjectshelf sediments
dc.titleBenthic Faunal Assemblages of the Holocene Sediments from the Southwest Black Sea Shelf
dc.typeArticle

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