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Mutated salmon louse DNA spread throughout the North Atlantic in 11 years or less

A recent study has demonstrated that genetic changes giving the salmon louse partial resistance towards one of the most commonly used delousing chemicals in marine aquaculture (emamectin benzoate/Slice) have spread to salmon lice in the entire North Atlantic in a maximum of just 11 years.

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Blue forest in Norway

Norwegian Competence Network on Blue Forests Established

Oslo/Arendal/Bergen, 13 November – The Norwegian Institute for Water Research (NIVA), GRID-Arendal and the Institute of Marine Research (IMR) have become the pioneering founders of a new Norwegian initiative to strengthen and share national competence on ‘blue forest’ habitats.

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Biotope map

New biotope map for areas offshore Troms and Finnmark

A new biotope map for the area including Troms III and the shelf edge to west Finnmark is now available on MAREANO's map service.

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Marine Spatial Planning in vain?

Marine spatial planning requires integration across sectors and between government levels. Vertical integration works in both Belgium and Norway despite different systems but it's not working in the US thereby delaying national marine planning. 
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Ice-covered seas do not need to be cold

Much ice on the sea surface does not mean that the sea is cold. North of Svalbard we saw ice and melt water on the sea surface, while we measured seven degrees at 30 meters depth. During the first cruise in the project SI_Arctic, cod was the fish species caught the most places. Between the ice-free areas in the Fram Strait and the ice covered areas north of Svalbard there were clear differences in species and quantity of plankton, fish and marine mammals.

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Typisk hardbunnslokalitet langs Finnmarkskysten

Cruise diary:

Another successful MAREANO cruise finished

MAREANO's last biology-geology-pollution mapping cruise this season is finished, and once more we have had good weather in the Barents Sea. Thus, we have finished all cruise activities that were planned for this year, in addition to making a small start on next year's tasks.

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European Lobster

In focus: European lobster

The European lobster has been found from the Mediterranean Sea to Northern Norway and west to the Shetland Island and western Ireland. It is usually found in shallow waters less than 40 m deep, where it is night active and shelter in burrows during daytime.

Their preferred habitat is moderately exposed areas with a complex bottom substrate of a mixture of sand and rocks. The lobster has a wide diet, hunting live prey and scavenging on dead organisms.

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