Summary
Oxygen conditions in the main part of the Hanö Bight, east of Öland, around the Midsjö Banks and in the Northern part of the Bornholm Basin were good. Below 70-80 metres depth, both west and east of Gotland, oxygen concentrations were below 2 ml/l. Hydrogen Sulphide was found at three stations west of Gotland at depths exceeding 100 metres and west of Gotland at depth exceeding 80 to 125 metres.