Phases of microalgal succession in sea ice and the water column in the Baltic Sea from autumn to spring

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dc.contributor University of Helsinki, Environmental Sciences en
dc.contributor University of Helsinki, Environmental Sciences en
dc.contributor University of Helsinki, Ecosystems and Environment Research Programme en
dc.contributor University of Helsinki, Environmental Sciences en
dc.contributor.author Enberg, Sara
dc.contributor.author Majaneva, Markus
dc.contributor.author Autio, Riitta
dc.contributor.author Blomster, Jaanika
dc.contributor.author Rintala, Janne-Markus
dc.date.accessioned 2019-12-17T13:41:01Z
dc.date.available 2019-12-17T13:41:01Z
dc.date.issued 2018-07-12
dc.identifier.citation Enberg , S , Majaneva , M , Autio , R , Blomster , J & Rintala , J-M 2018 , ' Phases of microalgal succession in sea ice and the water column in the Baltic Sea from autumn to spring ' , Marine Ecology. Progress Series , vol. 599 , pp. 19-34 . https://doi.org/10.3354/meps12645 en
dc.identifier.issn 0171-8630
dc.identifier.other PURE: 115333601
dc.identifier.other PURE UUID: 3036cf5c-a8c5-4289-87cc-c6a5764a22b3
dc.identifier.other WOS: 000440371600002
dc.identifier.other Scopus: 85049877323
dc.identifier.other ORCID: /0000-0003-1347-7919/work/51122853
dc.identifier.uri http://hdl.handle.net/10138/308486
dc.description.abstract The phytoplankton biomass in the Baltic Sea is low during the cold-water season (October to May) compared to the warm-water season(June to September). However, the sea ice is a habitat for diverse assemblages in polar and subpolar areas. These areas, including the Baltic Sea, are subject to changing environmental conditions due to global warming, and temporal and spatial studies are required to understand changes in the processes the organisms are involved in. We delineated microalgal succession in the northern Baltic Sea during the cold-water season using a weekly collected data set. Microscopy results together with molecular methods showed that 5 microbial groups could be distinguished: the sea-ice microalgal assemblage and 4 phytoplankton assemblages(fall, winter, under-ice water and spring). Based on cell enumeration, the microalgal biomass in the water column remained low until the end of the ice-covered season and was dominated by small flagellates and dinoflagellates. The young-ice assemblage in January resembled the water-column assemblage, but indicated a partly selective species-concentrating mechanism during ice formation due to lower species richness in ice than in the water column. Biomass of microalgae increased in the ice and water column during the March to May period, and the assemblage changed from flagellate-dominated to diatom-and dinoflagellate-dominated. The result that the spring phytoplankton, based on species and biomass, formed a separate as semblage indicates that sea-ice algae did not contribute to the spring bloom phytoplankton assemblage. en
dc.format.extent 16
dc.language.iso eng
dc.relation.ispartof Marine Ecology. Progress Series
dc.rights en
dc.subject Microalgae en
dc.subject Cold-water season en
dc.subject Succession en
dc.subject Sea ice en
dc.subject Baltic Sea en
dc.subject COASTAL ARCTIC-OCEAN en
dc.subject BACTERIAL COMMUNITIES en
dc.subject PHYTOPLANKTON BIOMASS en
dc.subject ENVIRONMENTAL-FACTORS en
dc.subject SUMMER TRANSITION en
dc.subject BRINE COMMUNITY en
dc.subject CLIMATE-CHANGE en
dc.subject MCMURDO SOUND en
dc.subject BLOOM en
dc.subject ALGAL en
dc.subject 1172 Environmental sciences en
dc.title Phases of microalgal succession in sea ice and the water column in the Baltic Sea from autumn to spring en
dc.type Article
dc.description.version Peer reviewed
dc.identifier.doi https://doi.org/10.3354/meps12645
dc.type.uri info:eu-repo/semantics/other
dc.type.uri info:eu-repo/semantics/acceptedVersion
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