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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 …

In the Skagerrak, 10 stations with complete hydrography were taken. In the Kattegat mapping of oxygen conditions in bottom water was performed, 11 stations with complete hydrography and 19 with oxygen and salinity near bottom were sampled. The lowest oxygen concentration measured in the bottom …

High concentrations of phosphate were measured in the southern Baltic Proper. Silicate concentrations were elevated in the northern parts of the Baltic Proper, while concentrations were below normal in the south parts. The nitrogen components showed normal values. Oxygen levels in the deep …

Surface temperatures were normal throughout the area. Nutrient concentrations in the surface layer were normal for the season, except in the Arkona and Bornholm Basins where phosphate and silicate levels were higher than normal. At the Fårö Deep and western Gotland Basin, silicate concentrations …

Surface temperatures were normal or below normal throughout the area. No surface accumulations of cyanobacteria (blue green algae) were observed in the Baltic. Nutrient concentrations in the surface layer were normal for the season, except in the Arkona and Bornholm Basins where phosphate and …

In all regions the surface water temperatures were over the normal. In some regions in the southern Baltic and in the Sound the concentration of phosphate was higher than normal. Also silicate concentrations were elevated, while the nitrogen components showed, for the season, normal values. The …

High concentrations of phosphate were measured in the southern Baltic Proper. Also silicate concentrations were elevated, while the nitrogen components showed, for the season, normal values. The spring bloom in Skagerrak and Kattegat was over, while it was still ongoing in the Baltic. Hydrogen …