Phytoplankton and Nutrient Variations in the Iranian Waters of the Caspian Sea (Guilan region) during 2003-2004

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dc.authoridAbedini, Ali/0000-0001-9597-9044
dc.authoridBagheri, Siamak/0000-0002-4645-7634
dc.authoridTürkoğlu, Muhammet/0000-0003-3084-6747
dc.contributor.authorBagheri, Siamak
dc.contributor.authorTürkoğlu, Muhammet
dc.contributor.authorAbedini, Ali
dc.date.accessioned2025-01-27T20:45:39Z
dc.date.available2025-01-27T20:45:39Z
dc.date.issued2014
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThis study concentrated on temporal distribution and species composition of phytoplankton connected with physicochemical variations between January 2003 and November 2004 in the South Western Caspian Sea. During the study, 75 phytoplankton were distinguished in total and average phytoplankton densities in 2003 and 2004 were 1.47x10(5)+/- 6.05x 10(4)and 1.97x10(5)+/- 7.18x10(4) cells L-1, respectively. Contributions of diatoms (66.0% in 2003; 57.0% in 2004) and cyanophytes to total phytoplankton (17.0 in 2003; 36.0% in 2004) were higher than any other group. Diatoms Dactyliosolen fragilissimus and Thalassionema nitzschioides, and cyanophytes Oscillatoria sp. and Anabeanopsis raciborskii provided the biggest contributions to the total phytoplankton. Average DIN concentration in 2003 was higher (3.86 +/- 1.65 mu M) than the average in 2004 (3.37 +/- 1.13 mu M). However, average DIP concentration in 2003 was lower (1.45 +/- 1.37 mu M) than the average in 2004 (1.99 +/- 0.67 mu M). Average DIS concentration was two-fold higher than average DIN concentration. Average DIN: DIP without NH4 (2.66 +/- 1.66 in 2003; 1.69 +/- 1.17 in 2004) and DIS: DIP ratios (5.61 +/- 3.44 in 2003; 3.93 +/- 2.49 in 2004) were clearly lower than Redfield ratios. Nutrient ratios and phytoplankton densities revealed that system was eutrophic
dc.description.sponsorshipInland Waters Aquaculture Institute; Iranian Fisheries Research Organization (IFRO)
dc.description.sponsorshipThe authors are grateful to Umur Onal and Peter C. Boyce for improving the English of the draft manuscript. We thank to the Inland Waters Aquaculture Institute and Iranian Fisheries Research Organization (IFRO) for financial support of this project. We greatly appreciate for assistances received by M. Makaremi, T. Mohammadjani, O. Heidari, J. Sabkara, F. Madadi, H. Khodaparast, A. Ghandi, H. Babaei, E. Yosefzad, M. Sayad Rahim, Y. Zahmatkesh, J. Shavandasht, H. Mohsenpour, J. Tajadod, J. Khoushhal, M. Iranpour and S. Rouhbani in this study.
dc.identifier.doi10.4194/1303-2712-v14_1_25
dc.identifier.endpage245
dc.identifier.issn1303-2712
dc.identifier.issn2149-181X
dc.identifier.issue1
dc.identifier.scopus2-s2.0-84899149959
dc.identifier.scopusqualityQ2
dc.identifier.startpage231
dc.identifier.urihttps://doi.org/10.4194/1303-2712-v14_1_25
dc.identifier.urihttps://hdl.handle.net/20.500.12428/24666
dc.identifier.volume14
dc.identifier.wosWOS:000336248500025
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherCentral Fisheries Research Inst
dc.relation.ispartofTurkish Journal of Fisheries and Aquatic Sciences
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectPhytoplankton
dc.subjectchecklist
dc.subjectcell density
dc.subjectnutrient
dc.subjectCaspian Sea
dc.titlePhytoplankton and Nutrient Variations in the Iranian Waters of the Caspian Sea (Guilan region) during 2003-2004
dc.title.alternative2003-2004 yi{dotless}llari{dotless}nda hazar denizi'nin İran sulari{dotless}nda (Guilan Bölgesi) fitoplankton ve nütrient de?işimleri
dc.typeArticle

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