Analysis of Variations in Phytoplankton Community Size-Structure along a Coastal Trophic Gradient

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dc.authoridKOÇUM, ESRA / 0000-0002-3722-5938
dc.contributor.authorKoçum, Esra
dc.contributor.authorSütçü, Ayşe
dc.date.accessioned2025-01-27T20:31:31Z
dc.date.available2025-01-27T20:31:31Z
dc.date.issued2014
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThe phytoplankton community size structure is a significant factor in the ecological and biogeochemical functioning of marine ecosystems. Various environmental factors, including nutrients, can cause variations in the size structure of phytoplankton community, ultimately determining the potential for downward carbon transport and productivity in marine ecosystems. In the present study, microscale spatial variation in phytoplankton size structure was investigated at two coastal stations having different nutrient environments. The variation in phytoplankton size structure was characterized by a significantly (p < 0.05) higher contribution of larger cells and diminishing abundance of picoplankton under increasing nutrient concentrations observed at both sites, although at different threshold unfractionated phytoplankton chlorophyll a biomass levels. The average percent contributions of picoplankton to total biomass were 30.02 and 19.07% at less enriched site I and at enriched site II, respectively. Thus, we concluded that the variation in phytoplankton size structure was led by the factors that regulated the contribution of large phytoplankton cells; that is, the dominance of picoplankton was only possible when nutrient concentrations precluded accumulation of the larger size classes in the phytoplankton community.
dc.description.sponsorshipT.C. Canakkale Onsekiz Mart University Scientific Research Projects Commission (BAP) [2009/56]
dc.description.sponsorshipThis work was funded by the T.C. Canakkale Onsekiz Mart University Scientific Research Projects Commission (BAP) under contract 2009/56. We thank Dr. Muhammed OZTURK of the Department of Geography for preparing the location map.
dc.identifier.doi10.2112/JCOASTRES-D-12-00045.1
dc.identifier.endpage784
dc.identifier.issn0749-0208
dc.identifier.issn1551-5036
dc.identifier.issue4
dc.identifier.scopus2-s2.0-84904615228
dc.identifier.scopusqualityN/A
dc.identifier.startpage777
dc.identifier.urihttps://doi.org/10.2112/JCOASTRES-D-12-00045.1
dc.identifier.urihttps://hdl.handle.net/20.500.12428/23181
dc.identifier.volume30
dc.identifier.wosWOS:000339366800011
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherCoastal Education & Research Foundation
dc.relation.ispartofJournal of Coastal Research
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectBiomass
dc.subjectphytoplankton
dc.subjectsize structure
dc.subjectnutrients
dc.subjectcoastal ecosystems
dc.titleAnalysis of Variations in Phytoplankton Community Size-Structure along a Coastal Trophic Gradient
dc.typeArticle

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