Development of Calanus euxinus during spring cold homothermy in the Black Sea

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dc.authoridSvetlichny, Leonid/0000-0001-5164-6870
dc.authoridBat, Levent/0000-0002-2289-6691
dc.authoridKIDEYS, AHMET ERKAN/0000-0002-1113-2434
dc.authoridSahin, Fatih/0000-0003-0605-2672
dc.authoridSvetlichny, Leonid/0000-0001-9224-6371
dc.authoridhubareva, elena/0000-0002-5787-8522
dc.contributor.authorSvetlichny, Leonid S.
dc.contributor.authorYuneva, Tatyana V.
dc.contributor.authorHubareva, Elena S.
dc.contributor.authorSchepkina, Alla M.
dc.contributor.authorBesiktepe, Sengul
dc.contributor.authorKideys, Ahmet E.
dc.contributor.authorBat, Levent
dc.date.accessioned2025-03-23T19:26:31Z
dc.date.available2025-03-23T19:26:31Z
dc.date.issued2009
dc.departmentSinop Üniversitesi
dc.description.abstractIn copepodites and adults of Calanus euxinus abundance, body length and weight, chemical composition and respiration rate in relation to age were studied during the cruise of R/V 'Knorr' in April 2003 in the southwestern Black Sea and in laboratory experiments. Data on morphology and physiology of C. euxinus collected during other seasons were also used in comparative analyses. At high concentrations of the diatom Proboscia alata during spring homothermy (6.8 to 8.5 degrees C) C. euxinus did not undertake diel vertical migrations to the oxygen minimum zone (OMZ). The majority of the population was located above the OMZ, feeding on phytoplankton during nighttime and daytime whilst nearly 10%, of copepodite stages IV and V (CIV and CV) and adults remained constantly in the OMZ. Although a diapausing stock of the population began to form in the OMZ, the majority of CV developed without diapause. The development times of copepodite stages at 8 C were determined on the basis of field observations of ontogenetic changes in carbon content and calculated absolute growth rates. Development time from CI to CV amounted to 22 d. In CV the time for lipid deposition from 0.008 +/- 0.007 mm(3) in postmolts up to a maximum volume of 0.165 +/- 0.054 mm(3) in intermolts constituted 26 d. The total generation time from eggs to adults is not less than about 66 d.
dc.description.sponsorshipTUBITAK (Turkish Scientific Technical Research Council)-NASU (National Academy of the Ukraine) [107Y001]; NATO [EST 973629, ESP NUKR 983036]; Census of Marine Zooplankton (CMarZ); Census of Marine Life
dc.description.sponsorshipThe present study was partly supported by a TUBITAK (Turkish Scientific Technical Research Council)-NASU (National Academy of the Ukraine) joint project (107Y001) and NATO Linkage Grants EST 973629 and ESP NUKR 983036. We appreciate the cooperation and help of the staff at the R/V 'Bilim' and 'Knorr' during the cruises. This study is a cooperating project of the Census of Marine Zooplankton (CMarZ), a field project of the Census of Marine Life.
dc.identifier.doi10.3354/meps07740
dc.identifier.endpage213
dc.identifier.issn0171-8630
dc.identifier.issn1616-1599
dc.identifier.scopus2-s2.0-60049091965
dc.identifier.scopusqualityQ1
dc.identifier.startpage199
dc.identifier.urihttps://doi.org/10.3354/meps07740
dc.identifier.urihttps://hdl.handle.net/11486/4714
dc.identifier.volume374
dc.identifier.wosWOS:000263227300018
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherInter-Research
dc.relation.ispartofMarine Ecology Progress Series
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20250323
dc.subjectCalanus euxinus
dc.subjectLipid storage
dc.subjectRespiration
dc.subjectGrowth
dc.subjectBlack Sea
dc.subjectSpring cold
dc.subjectHomothermy
dc.titleDevelopment of Calanus euxinus during spring cold homothermy in the Black Sea
dc.typeArticle

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