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Reke og risengrynkorall

The Sea in Maps and Pictures

MAREANO maps depth and topography, sediment composition, contaminants, biotopes and habitats in Norwegian waters.

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The Wonderful World of Sponges on the Arctic Mid-Ocean Ridge

27.05.2026

Cruise diary:  When most people think of the deep sea, the first thing that comes to their mind is a dark, otherworldly plane devoid of life. However, time and time again the ocean has proven humanity that the deep sea is not lifeless, but rather filled with life, and a staple at the bottom of the sea are sponges. This is especially the case on the Arctic Mid-Ocean Ridge and Norwegian Deep Sea.

sortering av hvalprove

A Surprise on the Seafloor: When a “Boring” Dive Turned Extraordinary

20.05.2026

Cruise diary: On Thursday, April 23rd, we were quietly cruising along one of the survey lines, on a basin area of the Arctic Mid‑Ocean Ridge (AMOR), with NORMAR’s ROV Ægir6000.

Popcorn-like shells and brown slime creatures under the microscope.

Secrets in the sediment: What foraminifera reveal about the deep-sea

13.05.2026

Expedition Log: These “popcorn” like organisms give us valuable insight into the development of the seafloor.