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Your search keyword '"Hoikkala, Laura"' showing total 2 results
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2 results on '"Hoikkala, Laura"'

1. Continuing long-term expansion of low-oxygen conditions in the Eastern Gulf of Finland

Author

Stoicescu, Stella-Theresa, Hoikkala, Laura, Fleming, Vivi, and Lips, Urmas

Abstract

•Long-term declining trend in deep-layer dissolved oxygen was identified.•Decadal-scale changes in oxygen are related to changes in hydrographic conditions.•Long-term temperature increase is a major factor behind the oxygen decline.•The external load of excess nutrients has been the largest contributor.•Present oxygen conditions are assessed as not achieving good environmental status.

Published
2024
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2. Photochemical transformation of terrestrial dissolved organic matter supports hetero- and autotrophic production in coastal waters.

Author

Vähätalo, Anssi V., Aarnos, Hanna, Hoikkala, Laura, and Lignell, Risto

Subjects
NITROGEN, PLANKTON, DISSOLVED organic matter, ECOSYSTEM management
Abstract

The article presents a study on the response of the nitrogen (N)-limited hetero- and autotrophic plankton of the Baltic Sea to photoproduced N and labile dissolved organic matter (DOM). The researchers conducted the study in the coastal northern Baltic Sea at the entrance to the Gulf of Finland, wherein the usual seasonal succession of plankton includes a vernal bloom dominated by dinoflagellates and diatoms. They found that photoproduced N is retained in the plankton community under N-limiting conditions not like the photoproduced dissolved organic carbon (DOC) with high respiratory losses.

Published
2011
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