Sammanfattning
Surface water temperatures as well as nutrient concentrations were typical for the season. Oxygen concentrations below 2 ml/l were found at depths greater than 80 m in the Western, Eastern and Northern Gotland Basins and from 70 m and downward in the Bornholm Basin and the Hanö Bight. Hydrogen sulphide was present near the bottom in the Eastern Gotland Basin, the Bornholm Basin as well as in the Hanö Bight.