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Institute of Marine Research

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    The IMR zooplankton database holds Barents Sea data on species composition (abundance), size fractionated biomass as well as biomass for particular zooplankton groups obtained from standard seasonal transects (Fugløya-Bjørnøya and Vardø-Nord) and a regional coverage of the Barents Sea during autumn. Data on species composition are limited.

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    The dataset holds data on eggs and larvae from fish species collected during 4 surveys along the Norwegian coast Stad - Lofoten during spring 1987.

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    Dataset collating kelp occurrences (presences and absences) from surveys conducted across the Azores archipelago (NE Atlantic) using remotely operated vehicles, drop-down cameras, open and closed-circuit SCUBA diving, and fisheries by-catch information.

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    Black corals are antipatharian corals that occur from sublittoral to abyssal depths on hard, mixed and soft substrates. Under favourable conditions, some black coral species form dense stands known as black coral gardens which create habitat for a variety of associated species.

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    The survey data consist of: 1) one time series from 1984-2002 (October/November) using R/V Michael Sars and the Campelen-trawl; 2) a point estimate for 2003 (October) as R/V Michael Sars was taken out of service and substituted with R/V Håkon Mosby, whose winches at that time were not powerful enough for the Campelen-trawl, resulting in the survey being conducted with the Shrimp trawl 1420; 3) a start of a potential new time series as the survey in both 2004 and 2005 was conducted in May/June with R/V Håkon Mosby using the standard Campelen trawl; and 4) one time series from 2006 until present (January/February), using R/V Håkon Mosby and the Campelen trawl. From 2017 R/V Håkon Mosby has been substituted with R/V Kristine Bonnevie. In 2016, there were technical problems with the survey trawl (unequal wire lengths of the trawl gear) and this year’s data are considered to be non-representative of the stock status.

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    Dataset contains species name, their number of specimen and wet-weight for each taxa (0,1 mg). Samples were originally preserved in formaline and later converted to ethanol. After identification samples are stored at Bergen Museum/University of Bergen.

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    Hyperbenthic decanted crustacea collected with Rothlisberg-Piercy sledge, hauls 5-10 min bottomtime. All samples after 2012 are preserved on board in ethanol. Taxa identified as detailed as possible. Specimens kept at Bergen Museum, Bergen, Norway.

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    The dataset contains observations of fish collected by IMR in the Barents Sea, Norwegian Sea and North Sea, 2007-2017.

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    Data collected with a 2m beamtrawl towed about 200-300m. Dataset contains numbers and combined wet weight of specimen (down to 1 mg) within same species or higher taxonomic unit. Samples are preserved on formalin and then alcohol. After id the material is stored at the Bergen Museum, Bergen, Norway.

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    The MARBUNN database contains benthos from the seabed in Norwegian coastal and offshore areas covered by the MAREANO project (www.mareano.no).