Biomass density and catch composition of mesopelagic fish and invertebrates in the Northeast Atlantic
2021
Grimaldo, Eduardo | Grimsmo, Leif | Alvarez, Paula | Herrmann, Bent | Møen Tveit, Guro | Tiller, Rachel | Slizyte, Rasa | Aldanondo, Naroa | Guldberg, Trude | Toldnes, Bendik | Carvajal, Ana | Schei, Marte | Selnes, Merethe
During three cruises in the Mid Atlantic Ridge area in 2016 and 2017, we studied the biomass of mesopelagic fish down to a depth of 600 m and identified and quantified the species composition of the catches. The biomass density was estimated considering the volume of water filtered by the cross-sectional area of the trawl blinded with 16 mm meshes (130 m–2), the distanced covered by the trawl (m) at a towing speed (transformed to m s–1) the effective tow time (min) and the catch (kg).
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