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Main Authors: Kremer, Kira Izabela, Hagen, Wilhelm, Dorschner, Sabrina, Sell, Anne F
Format: Dataset Open Access
Language:en
Published: PANGAEA 2025
Subjects:
10-Heptadecenoic acid of total fatty acids; 10-Pentadecenoic acid of total fatty acids; 11,14,17-Eicosatrienoic acid of total fatty acids; 11,14-Eicosadienoic acid of total fatty acids; 11,14-Octadecadienoic acid of total fatty acids; 11-Docosenoic acid of total fatty acids; 11-Docosenol of total fatty alcohols; 11-Eicosenol of total fatty alcohols; 11-Hexadecenoic acid of total fatty acids; 11-Icosenoic acid of total fatty acids; 11-Octadecenoic acid of total fatty acids; 11-Octadecenol of total fatty alcohols; 12-methyl-Tetradecanoic acid of total fatty acids; 13,16-Docosadienoic acid of total fatty acids; 13-Docosenoic acid of total fatty acids; 13-Docosenol of total fatty alcohols; 13-Eicosenol of total fatty alcohols; 13-Icosenoic acid of total fatty acids; 13-Octadecenoic acid of total fatty acids; 14-methyl-Hexadecanoic acid of total fatty acids; 15-Docosenoic acid of total fatty acids; 15-Docosenol of total fatty alcohols; 15-Icosenoic acid of total fatty acids; 15-Tetracosenoic acid of total fatty acids; 17-Docosenoic acid of total fatty acids; 3,6,9,12 Hexadecatetraenoic acid of total fatty acids; 4,7,10,13,16,19-Docosahexaenoic acid of total fatty acids; 5,8,11,14,17-Eicosapentaenoic acidof total fatty acids; 5,8,11,14-Eicosatetraenoic acid of total fatty acids; 6,9,12,15-Octadecatetraenoic acid of total fatty acids; 6,9,12-Hexadecatrienoic acid of total fatty acids; 6,9,12-Octadecatrienoic acid of total fatty acids; 7,10,13,16,19-Docosapentaenoic acid of total fatty acids; 7,10,13,16-Docosatetraenoic acid of total fatty acids; 7-Hexadecenoic acid of total fatty acids; 8,11,14,17-Eicosatetraenoic acid of total fatty acids; 8,11,14-Eicosatrienoic acid of total fatty acids; 9,12,15-Octadecatrienoic acid of total fatty acids; 9,12-Hexadecadienoic acid of total fatty acids; 9,12-Octadecadienoic acid of total fatty acids; 9-Eicosenol of total fatty alcohols; 9-Hexadecenoic acid of total fatty acids; 9-Hexadecenol of total fatty alcohols; 9-Icosenoic acid of total fatty acids; 9-Octadecenoic acid of total fatty acids; 9-Octadecenol of total fatty alcohols; 9-Tetradecenoic acid of total fatty acids; Carnivory index; Cephalopoda, mantle length; Cephalopods; Date/Time of event; Date/Time of event 2; Depth, water, bottom/maximum; Depth, water, top/minimum; Docosanoic acid of total fatty acids; Docosatetraenoic acid 22:4(n-3) of total fatty acids; Eicosadienoic acid, non-methylene interrupted, of total fatty acids; Elevation of event; Elevation of event 2; Event label; Family; Fatty acid, other, of total fatty acids; Fatty acids, total, of total lipid extract; Fatty alcohols, total, of total lipid extract; Food web; Gas chromatography, Agilent Technologies, 7890A; equipped with DB-FFAP column and programmable temperature vaporizer injector (solvent vent mode); Gear; Heptadecanoic acid of total fatty acids; Hexadecanoic acid of total fatty acids; Hexadecanol of total fatty alcohols; Hook and line; Icosanoic acid of total fatty acids; Identification; iso-Heptadecanoic acid of total fatty acids; iso-Pentadecanoic acid of total fatty acids; Latitude of event; Latitude of event 2; Lipids, total, per dry mass; Location; Location of event; Longitude of event; Longitude of event 2; Measured; Method/Device of event; Methyloctadecanoic acid of total fatty acids; Modified after Bode et al. (2015); NEMICAT; Neuston microplastics catamaran; nutritional ecology; Octadec-7-enoic acid of total fatty acids; Octadecanoic acid of total fatty acids; Octadecanol of total fatty alcohols; Pentadecanoic acid of total fatty acids; Phytanic acid of total fatty acids; Rectangular midwater trawl 4500 µm; Reference in WoRMS; RMT8; Sampled; Sample ID; SO285; SO285_110-10; SO285_110-7_1; SO285_111-1; SO285_120-1; SO285_122-4_1; SO285_122-7; SO285_123-2; SO285_138-7; SO285_139-5; SO285_141-7; SO285_142-1; SO285_154-2; SO285_17-1_1; SO285_17-7; SO285_18-7; SO285_19-1; SO285_22-1; SO285_26-2; SO285_67-1_1; SO285_67-6; SO285_67-7; SO285_70-3_1; SO285_74-4_1; SO285_74-7; Sonne_2; South Atlantic Ocean; Species, unique identification; Species, unique identification (Semantic URI); Species, unique identification (URI); Tetracosenoic acid 24:1(n-11) of total fatty acids; Tetradecanoic acid of total fatty acids; Tetradecanol of total fatty alcohols; Tissue type; TRAFFIC; trophic markers; trophic position; Trophic Transfer Efficiency in the Benguela Current; Unknown compounds, total, of total lipid extract; upwelling systems; WoRMS
Online Access:https://doi.org/10.1594/PANGAEA.974064
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Table of Contents:
  • Squids were collected during the research cruise SO285 on RV Sonne in the northern (nBUS) and southern (sBUS) Benguela Upwelling System between September 13 and October 9, 2021 in order to determine their trophic position and nutritional ecology. The cruise was part of the TRAFFIC (Trophic tRAnsfer eFFICiency in the Benguela Current) project. Samples were retrieved from rectangular midwater trawl (RMT) net hauls at 10 stations in the nBUS (sampling ranged from surface down to 230–600 m) and 7 stations in the sBUS (sampling ranged from surface down to 500–750 m). Furthermore, some squids were caught using hook and line in the upper two meters of the water column at 2 stations in the nBUS (ranging from 20 to 115 min per station, 4–5 rods) and 4 stations in the sBUS (ranging from 45 to 105 min per station, 4–6 rods). At 1 station in sBUS one squid was retrieved from a neuston catamaran haul (NCAT) used to sample the surface layer (0­–20 cm sampling depth). Dorsal mantle length (DML) of each specimen was measured to the nearest mm below. This data set contains the results of the fatty acid trophic marker analyses of squid mantle muscle and midgut gland (MGG) tissue of 84 specimens. A modified carnivory index after Bode et al. (2015) was determined and ranged from 0.55 to 0.92. Differences in fatty acid compositions displayed distinct clusters separating squid families and different prey taxa through principal component analyses.

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