Sammanfattning
Nutrient conditions were normal for the season in all areas. Oxygen concentrations below 2 ml/l were found in the whole Baltic Proper at depths greater than 70 to 80 metres. Hydrogen sulphide was present in the Eastern and Western Gotland Basin at depths greater than 90 metres, in the Bornholm Basin from 80 metres and in the Hanö Bight from 70 metres.