Diurnal variations of summer phytoplankton and interactions with some physicochemical characteristics under eutrophication in the Dardanelles

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dc.authoridTürkoğlu, Muhammet/0000-0003-3084-6747
dc.contributor.authorTuerkoglu, Muhammet
dc.contributor.authorErdogan, Yasemin
dc.date.accessioned2025-01-27T20:47:49Z
dc.date.available2025-01-27T20:47:49Z
dc.date.issued2010
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThis study was carried out to determine the diurnal distributions of phytoplankton density, bio-volume, and chlorophyll a in relation to nutrients and CTD measurements in surface waters of the coastal area in the Dardanelles during high density of phytoplankton, especially high diatom production (between 3 July and 4 August 2002). Ninety nine surface samples were collected for nutrient, chlorophyll a, and phytoplankton in 3 different time periods of the day (08:00, 13:00 and 18:00 hours) in the sampling period. Based on the sample analyses, average temperature, salinity, pH, DO, TDS, TSS, NO2-+NO3-, PO4-3, SiO4, chlorophyll a, N:P, and Si:P were calculated as 25 degrees C, 23.3 ppt, 8.42, 9.26 mg L-1, 23.9 gL(-1) 36.1 mg L-1, 1.90 mu M, 0.24 1 mu M, 3.6 mu M, 1.70 mu g L-1 12.5, and 25, respectively. Total phytoplankton density and bio-volume varied from 2.86 x 10(5) to 1.5 x 10(7) cells L-1 and from 5.98 x 10(8) to 8.81 x 10(10) mu m(3)L(-1), respectively. Contribution rate of Bacillariophyceae (66.5%) to total phytoplankton bio-volume was higher than that of Dinophyceae (31.0%). Phytoplankton community structure was observed to be controlled by 6-7 species. Other species can be considered as insignificant species that do not cause important fluctuations in the phytoplankton density and bio-volume. It has been reported that there were 9-11 population growth slopes for different species at different times and densities. Therefore, life cycles of phytoplankton species were completed between 3 and 4 days. Diurnal variations of biological and physicochemical parameters in the time interval between 0800 and 18:00 were generally much higher than daily variations between 3 July and 4 August 2002 due to the 2 counter flows system of the Dardanelles and domestic inputs of canakkale city.
dc.description.sponsorshipCOMU-BAP [2002/02]
dc.description.sponsorshipThis study was funded by COMU-BAP Project # 2002/02. The material in this manuscript was derived in part from the master's thesis of Yasemin Erdogan.
dc.identifier.doi10.3906/biy-0807-7
dc.identifier.endpage225
dc.identifier.issn1300-0152
dc.identifier.issn1303-6092
dc.identifier.issue2
dc.identifier.scopus2-s2.0-77953046131
dc.identifier.scopusqualityQ1
dc.identifier.startpage211
dc.identifier.trdizinid99646
dc.identifier.urihttps://doi.org/10.3906/biy-0807-7
dc.identifier.urihttps://search.trdizin.gov.tr/tr/yayin/detay/99646
dc.identifier.urihttps://hdl.handle.net/20.500.12428/25053
dc.identifier.volume34
dc.identifier.wosWOS:000278400900013
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakTR-Dizin
dc.language.isoen
dc.publisherTubitak Scientific & Technological Research Council Turkey
dc.relation.ispartofTurkish Journal of Biology
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WoS_20250125
dc.subjectDardanelles
dc.subjectsummer period
dc.subjectphytoplankton
dc.subjectnutrient
dc.subjectchlorophyll a
dc.subjectCTD probe data
dc.titleDiurnal variations of summer phytoplankton and interactions with some physicochemical characteristics under eutrophication in the Dardanelles
dc.title.alternativeÇanakkale Bo?azı'nda son yaz döneminde fitoplankton'da oluşan günlük de?işimler ve bazı fizikokimyasal de?işkenlerle olan karşılıklı ilişkileri
dc.typeArticle

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