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Sediment core from the study area

Sediment core from the study area (Credit: Sami Jokinen)

Photograph of the topmost part of a sediment core retrieved from the study area, representing approximately the last 100 years of sediment accumulation. Severe oxygen depletion has resulted in disappearance of bottom-dwelling animals from the seafloor, which has inhibited biological sediment mixing and enabled preservation of the bedded sediment structure.

Credit: Sami Jokinen

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