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Interannual variability of phyto-bacterioplankton biomass and production in coastal and offshore waters of the Baltic Sea
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2015 (English)In: Ambio, ISSN 0044-7447, E-ISSN 1654-7209, Vol. 44, no Suppl 3, S427-S438 p.Article in journal (Refereed) Published
Abstract [en]

The microbial part of the pelagic food web is seldom characterized in models despite its major contribution to biogeochemical cycles. In the Baltic Sea, spatial and temporal high frequency sampling over three years revealed changes in heterotrophic bacteria and phytoplankton coupling (biomass and production) related to hydrographic properties of the ecosystem. Phyto- and bacterioplankton were bottom-up driven in both coastal and offshore areas. Cold winter temperature was essential for phytoplankton to conform to the successional sequence in temperate waters. In terms of annual carbon production, the loss of the spring bloom (diatoms and dinoflagellates) after mild winters tended not to be compensated for by other taxa, not even summer cyanobacteria. These results improve our ability to project Baltic Sea ecosystem response to short- and long-term environmental changes.

Place, publisher, year, edition, pages
2015. Vol. 44, no Suppl 3, S427-S438 p.
Keyword [en]
Phytoplankton, Bacteria, Baltic Sea, Production, Climate change, Microbial foodwebs
National Category
Environmental Sciences
URN: urn:nbn:se:umu:diva-110593DOI: 10.1007/s13280-015-0662-8ISI: 000362290800010PubMedID: 26022325OAI: diva2:865219

Supplement: 3 Special Issue: SI

Available from: 2015-10-27 Created: 2015-10-23 Last updated: 2015-10-27Bibliographically approved

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Andersson, Agneta
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Department of Ecology and Environmental Sciences
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