Sediment core from the study area

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

• New study: oxygen loss in the coastal Baltic Sea is “unprecedentedly severe” (5 July 2018)

• Original image (952.2 KB, 2156.0x484.0 px)
• Preview image (22.8 KB, 1280x287 px, JPEG format)

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