Stratification strength and light climate explain variation in chlorophyll a at the continental scale in a European multilake survey in a heatwave summer

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dc.authorid0000-0002-0156-1657en_US
dc.contributor.authorDonis, Daphne
dc.contributor.authorMantzouki, Evanthia
dc.contributor.authorMcGinnis, Daniel F.
dc.contributor.authorVachon, Dominic
dc.contributor.authorGallego, Irene
dc.contributor.authorKarakaya, Nusret
dc.date.accessioned2023-05-11T07:33:35Z
dc.date.available2023-05-11T07:33:35Z
dc.date.issued2021en_US
dc.departmentBAİBÜ, Mühendislik Fakültesi, Çevre Mühendisliği Bölümüen_US
dc.description.abstractTo determine the drivers of phytoplankton biomass, we collected standardized morphometric, physical, and biological data in 230 lakes across the Mediterranean, Continental, and Boreal climatic zones of the European continent. Multilinear regression models tested on this snapshot of mostly eutrophic lakes (median total phosphorus [TP] = 0.06 and total nitrogen [TN] = 0.7 mg L-1), and its subsets (2 depth types and 3 climatic zones), show that light climate and stratification strength were the most significant explanatory variables for chlorophyll a (Chl a) variance. TN was a significant predictor for phytoplankton biomass for shallow and continental lakes, while TP never appeared as an explanatory variable, suggesting that under high TP, light, which partially controls stratification strength, becomes limiting for phytoplankton development. Mediterranean lakes were the warmest yet most weakly stratified and had significantly less Chl a than Boreal lakes, where the temperature anomaly from the long-term average, during a summer heatwave was the highest (+4 degrees C) and showed a significant, exponential relationship with stratification strength. This European survey represents a summer snapshot of phytoplankton biomass and its drivers, and lends support that light and stratification metrics, which are both affected by climate change, are better predictors for phytoplankton biomass in nutrient-rich lakes than nutrient concentrations and surface temperature.en_US
dc.description.sponsorshipCOST Action [ES 1105, ES 1201]; Swiss State Secretariat for Education, Research and Innovation; University of Geneva; Leibniz Association; US National Science Foundation [1840715, 1831096]; Spanish Agencia Estatal de Investigacion; EU [CGL2015-69557-R]; Department of Agriculture, Environment and Rural Affairs, Northern Ireland; Universite de Geneve; Division Of Ocean Sciences; Directorate For Geosciences [1840715] Funding Source: National Science Foundationen_US
dc.identifier.citationDonis, D., Mantzouki, E., McGinnis, D. F., Vachon, D., Gallego, I., Grossart, H. P., ... & Rodríguez, V. (2021). Stratification strength and light climate explain variation in chlorophyll a at the continental scale in a European multilake survey in a heatwave summer. Limnology and Oceanography, 66(12), 4314-4333.en_US
dc.identifier.doi10.1002/lno.11963
dc.identifier.endpage4333en_US
dc.identifier.issn0024-3590
dc.identifier.issn1939-5590
dc.identifier.issue12en_US
dc.identifier.scopus2-s2.0-85118408152en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage4314en_US
dc.identifier.urihttp://dx.doi.org/10.1002/lno.11963
dc.identifier.urihttps://hdl.handle.net/20.500.12491/10860
dc.identifier.volume66en_US
dc.identifier.wosWOS:000712815100001en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorKarakaya, Nusret
dc.language.isoenen_US
dc.publisherWileyen_US
dc.relation.ispartofLimnology and Oceanographyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectDissolved Organic-Matteren_US
dc.subjectCyanobacterial Bloomsen_US
dc.subjectPhytoplankton Dynamicsen_US
dc.subjectFilamentous Cyanobacteriaen_US
dc.subjectPhotosystem-IIen_US
dc.subjectGreen-Algaeen_US
dc.subjectShallowen_US
dc.subjectTemperateen_US
dc.subjectLakesen_US
dc.subjectEutrophicationen_US
dc.titleStratification strength and light climate explain variation in chlorophyll a at the continental scale in a European multilake survey in a heatwave summeren_US
dc.typeArticleen_US

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