Monthly variations in the shell structure of two freshwater ostracod (Crustacea) species in Karapinar Spring (Bolu, Turkey)

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dc.contributor.authorKulkoyluoglu, Okan
dc.contributor.authorPalacios-Fest, Manuel R.
dc.contributor.authorBaron, Dirk
dc.contributor.authorSari, Necmettin
dc.date.accessioned2024-09-25T19:59:45Z
dc.date.available2024-09-25T19:59:45Z
dc.date.issued2015
dc.departmentAbant İzzet Baysal Üniversitesien_US
dc.description.abstractThe variations of environmental conditions (T degrees C, pH, delta C-13, delta O-18, Mg/Ca, and Sr/Ca) for two ostracod species (Psychrodromus olivaceus, Potamocypris similis) were analyzed and compared to identify the controls of environmental parameters on the chemical and isotopic composition of their valves. The specimens were collected from Karapinar Spring (Bolu, Turkey) between October 2009 and November 2010. The species were observed throughout the year. Psychrodromus olivaceus showed relatively constant Mg/Ca ratios during the study period, whereas those of P. similis showed more variability. The ratio was also significantly different (P < 0.05) between the two species. We did not find significant correlation between water temperature and either of the species' Mg/Ca ratios. The stable isotope record for P. similis was very patchy, showing a small range of values consistent with the groundwater source, similar to the behavior of Sr/Ca. The Sr/Ca ratio displayed little variation throughout the year, suggesting hydrochemical stability over time, most likely in response to the groundwater source. The stable isotope data displayed pronounced variability for P. similis but little for P. olivaceus, suggesting that the former may be responding to seasonality, whereas the latter responds to groundwater.en_US
dc.description.sponsorshipDepartment of Geosciences of the University of Arizona; Department of Geological Sciences of California State University at Bakersfielden_US
dc.description.sponsorshipWe would like to thank Dr Nusret Karakaya for water analyses in ICP-MS. We also thank Mr Mehmet Demirel (from Cubuk Golbasi village) for showing us the location of Karapinar Spring and providing information about it. The following are also thanked for their help during field and laboratory work: Dr Muzaffer Dugel, Ceren Alunbag, Sualp Guler, and Mehmet Yavuzatmaca. Credit is given to David L Dettman for his comments and suggestions on the first drafts of the paper and for the stable isotope analysis. Our gratitude also goes to the Department of Geosciences of the University of Arizona and the Department of Geological Sciences of California State University at Bakersfield for their support.en_US
dc.identifier.doi10.3906/zoo-1407-15
dc.identifier.endpage916en_US
dc.identifier.issn1300-0179
dc.identifier.issn1303-6114
dc.identifier.issue5en_US
dc.identifier.scopus2-s2.0-84939632324en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage906en_US
dc.identifier.urihttps://doi.org/10.3906/zoo-1407-15
dc.identifier.urihttps://hdl.handle.net/20.500.12491/13887
dc.identifier.volume39en_US
dc.identifier.wosWOS:000359991700018en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherTubitak Scientific & Technological Research Council Turkeyen_US
dc.relation.ispartofTurkish Journal of Zoologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.snmzYK_20240925en_US
dc.subjectOstracodaen_US
dc.subjectrheocrene springen_US
dc.subjectisotope analysesen_US
dc.subjectMg/Ca ratioen_US
dc.subjectSr/Ca ratioen_US
dc.titleMonthly variations in the shell structure of two freshwater ostracod (Crustacea) species in Karapinar Spring (Bolu, Turkey)en_US
dc.typeArticleen_US

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