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News archive - September

27.09.2010

Investigating the shallow areas of Lopphavet in Troms

Figure 1

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.

14.09.2010

Listening out for king crabs

King crab with acoustic tag.

In Porsangerfjorden in Finnmark, 26 king crabs are wandering around the sea bottom with acoustic tags fixed to their legs. 14 buoys with acoustic receiver record continuously any signals transmitted by the tagged crabs. Preliminary results indicate  that access to food and reproductive considerations govern the crabs’ movements.

10.09.2010

Counting king crabs on video

Red King Crab

Preliminary results from this year’s crab survey in Finnmark suggest that there are fewer large king crabs than previously observed. This year, in order to obtain a more reliable estimate of the size of the population, scientists started using underwater video cameras to increase the number of areas observed.