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Coral reef

The Sea in Maps and Pictures

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




New Tender for Bathymetric Mapping in 2023


The MAREANO programme plans to conduct bathymetric mapping in Norskerenna in the North Sea. An invitation to tender for bathymetric mapping in 2023 is published. 

Sponge that has ended up at the bottom of a trawl mark

High concentration of trawl marks north of Svalbard


Before surveying the area, scientists expected to find large areas of untouched seabed – and the odd trawl mark left by fishing boats. What they actually found was nothing like that.

Brasil Paneldebatt mareano

MAREANO presented in Brazil


The activities of the MAREANO mapping programme were recently presented at a conference in the Brazilian city of Salvador. As part of developing a new, modern programme for marine spatial management, experts in Brazil want to learn from international actors.