When this reaction occurs, oxygen concentrations are considered negative
Over time, there has been a steady increase in the area affected by hydrogen sulphide in the East and West Gotland Basins, and the outer Gulf of Finland. Water from the Gulf of Finland does not enter into the Gulf of Bothnia. As a result, despite its depth, it remains well oxygenated, even during autumn.
Save paper by setting your printer to print double sided by default.
You can also print two pages per page if it remains legible. The EEA has introduced double-side default printing, which reduced the Agency’s paper consumption by around 17 % from 2004 to 2005.
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