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The phytoplankton community in the Skagerrak and the Kattegat was dominated by a small coccolithophore, Emiliania huxleyi, and a diatom, Pseudo-nitzschia spp. The potentially harmfull naked dinoflagellates Karenia
mikimotoi and Karlodinium veneficum were common and particularly at Släggö. The …

The surface water in Skagerrak and Kattegat was somewhat cooler, around 11°C, than the surface water in the Baltic Proper where there was about 13°C. Inorganic nitrogen (NO2+NO3) in surface waters were close to the detection limit in all regions. The concentrations of phosphate were low …

The purpose of the Smart Sea project is to support the growth of commercial marine activities in the Gulf of Bothnia region. The key idea is that sustainable growth can only be attained by planning the use of sea areas wisely. At the same time, synergies between activities can be increased.

The expedition was included within SLUs International Bottom Trawl Survey and covered the Skagerrak and the Kattegat. Also during the expedition, SMHIs standard frequent stations were visited. In Skagerrak 5 stations with complete hydrography were sampled and in Kattegat 4 stations. Surface …

There were several phytoplankton species with high cell numbers in the samples from the Skagerrak and Kattegat area, above all at the coastal stations Släggö in the Skagerrak and N14 in the Kattegat. The integrated (0-10 m) chlorophyll a concentrations were normal for this month. Chlorophyll a …

The water temperature in the surface layer had now increased and was substantially normal for the season. In the southern and southeastern Baltic Proper relatively high concentrations of phosphate and silicate were measured. The large inflow that occurred in December 2014 could not be seen further …