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Surface water temperatures were lower than normal throughout the study area. Phosphate and silicate values in the surface water of the southern Baltic remain higher than normal. Nitrate concentration of the Arkona Basin was at the limit of detection. This is lower than normal. Phosphate and …

Oxygen conditions in the main part of the Hanö Bight, east of Öland and around the Midsjö Banks were good. In the Northeastern part of the Bornholm Basin oxygen concentrations were below 2 ml/l at depths exceeding 55 m. Below 70-80 metres depth, both west and east of Gotland, oxygen concentrations …

High surface phosphate concentrations were measured in the southern part of the Baltic Proper. Silicate concentrations were also enhanced there, while levels of nitrogen compounds were normal or somewhat below normal. Nutrient concentrations in the Skagerrak-Kattegat area were normal or almost …

Mapping of winter nutrient conditions was performed in the Skagerrak and 15 stations with complete hydrography were sampled. In the Kattegat 9 stations with complete hydrography were sampled. The nutrient concentrations were lower than normal in the Skagerrak. In the Kattegat the nitrogen …

In the Southern Baltic Proper, concentrations of phosphate and silicate in surface waters remain high. Phosphate and silicate concentrations in other areas were normal. Nitrate concentrations were low throughout the study area. In the Baltic Proper oxygen concentrations were below 2 ml/l at …

This report presents the results from two September cruises. A small diatom bloom was proceeding at the Skagerrak coast and in the Kattegat area during the second cruise. In open Skagerrak, the plankton flora was scarce with a few small species in low cell numbers. The integrated chlorophyll a …

Surface water temperatures in the Skagerrak, the Kattegat and the Baltic were normal. Nutrient concentrations were normal in the surface waters. Oxygen concentrations below 2 ml/l were found in the Baltic Proper at depths exceeding 60 to 80 metres. In the Western Gotland Basin hydrogen sulphide …

At visited stations in Kattegatt, Skagerrak and the Sound nutrient concentrations showed normal or near normal values for the season. The phosphorus concentration was still elevated in the southern Baltic Proper. Silicate and inorganic nitrogen compounds were normal throughout the investigation …

Surface water temperatures were normal throughout the investigated area. Surface nutrient concentrations were mostly normal. Oxygen concentrations below 2 ml/l were observed at depths exceeding 60 to 80 metres throughout the Baltic Proper and from 40 metres in the eastern part of the Arkona Basin. …

High concentrations of phosphate and silicate were measured in the surface waters of the southern Baltic Proper. The nitrogen components showed normal values in the whole investigated area. On the west coast, nutrients showed for the season normal values, with the exception of the Sound where …