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New sea spider found in Norwegian waters

The sea spider Cilunculus battenae was recently recorded in the Norwegian Economic Zone (NEZ) for the first time, when bottom samples from the MAREANO cruises from 2007-2009 were analysed. So far 21 different species have been found in the samples. Two species have previously been observed in the NEZ a few times.
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Strong Currents and Seabed Habitat Offshore of the Finnmark Coast

The strong currents off the coast of Finnmark are renowned by local seafarers, and our latest observations North of Nordkynnhalvøya are shedding light on what affect these currents are having on the seabed.
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"G.O. Sars" discovers geological secrets


During a 500 km long transit from Troms III to Nordland VI the MAREANO project has acquired new data from the upper sediment units. We applied Topas, a kind of strong echosounder sending signals at regular intervals into the seafloor.

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Investigating the shallow areas of Lopphavet in Troms

MAREANO has completed the mapping at Troms III outside of Arnøya, located in Lopphavet in Troms, and is now steaming southwards to Nordland VI, at the southern tip of Lofoten.
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Mapping the seabed of the continental slope west of Sørøya, Northern part o

In the afternoon, the 17. September, the scientific vessel G.O. Sars headed north from Tromsø. The ocean was calm, the wind was warm and the sunset colored the sky. The MAREANO autumn survey had started. We reached our destination north west of the island “Sørøya”, about 71° north, by midnight.
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Successful MAREANO summer cruise comes to an end

This summer’s MAREANO cruise with research vessel “G.O. Sars” ends today in Tromsø, with no time lost due to bad weather or equipment problems we have been very lucky, and have completed all the planned work, and a few extras. The Troms III area offshore north Troms (north Norway) has been the focus of the second leg of the cruise, continuing the good work begun in the first leg. Following video surveys over several previously undocumented coral reefs during the first leg, right at the end of the second leg we were lucky enough to encounter yet another reef, around 20 km north of Vannøya.
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News and pictures from the MAREANO summer cruise 2010

A quick note from all on board the Norwegian research vessel ‘G.O. Sars’. We are making good progress with the first of two MAREANO cruises to be undertaken this year, and are now mid-way through the second and final leg of this research cruise.
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A general nature-type map for Eggakanten

Mapping the distribution of seabed nature types is an important component of MAREANO. Nature types follow, and contribute to the development of the Norwegian Nature Types classification scheme at the nature-system level.
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2700 metres below sea level

Blue holothurians (sea cucumbers) amongst sea lilies together with brilliantly red shrimps and irregular sea urchins were just some of the astonishing creatures that scientists observed when they earlier this autumn they explored the sea bottom down to 2700 metres depths in Nordland VII, an area off the coast of Northern Norway.
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New articles from MAREANO


In the beginning of August (2009) the Norwegian Journal of Geology published a thematic issue with 15 new articles mainly based on results from MAREANO.

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The April 2009 MAREANO cruise

Scientists from the Institute of Marine Research (IMR) and the Geological Survey of Norway (NGU) have started the April 2009 MAREANO cruise (2009105) aboard the "G.O. Sars". The scientific crew includes Norwegians, French, Danish, Canadian, German, Faroese and Finnish. The northernmost study area is located on the continental shelf, approximately 195 nm north of the Norway coast. The 9000 km2 large study area, covered by the cruise, includes depths ranging from 300 to 1000 meters, and will be mapped for benthic fauna, bottom types and environmental status.
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Biodiversity at great depths

The Norwegian seabed mapping programme, MAREANO, has just finished its fourth cruise off northern Norway with the research vessel G.O. Sars. The target of this cruise is deeper slope areas off the counties of Troms and Nordland. The investigation covers several very different marine landscapes including submarine canyons, coral reefs, moraines, sand dunes and consolidated clay with rough topography.