(Table 2) Fatty acid profile of blubber from harp seals and hooded seals from the Greenland Sea and Denmark Strait, supplement to: Falk-Petersen, Stig; Haug, Tore; Hop, Haakon; Nilssen, Kjell T; Wold, Anette (2009): Transfer of lipids from plankton to blubber of harp and hooded seals off East Greenland. Deep Sea Research Part II: Topical Studies in Oceanography, 56(121-22), 2080-2086

• Main Authors: Falk-Petersen, Stig, Haug, Tore, Hop, Haakon, Nilssen, Kjell T, Wold, Anette
• Format: Dataset
• Language: English
• Published: PANGAEA - Data Publisher for Earth & Environmental Science 2009
• Subjects: ipy; Event label; Area/locality; Species; Date; Sample amount; Tetradecanoic acid of total fatty acids; Fatty acids, standard deviation; 9-Tetradecenoic acid of total fatty acids; Pentadecanoic acid of total fatty acids; Hexadecanoic acid of total fatty acids; cis-7-Hexadecenoic acid of total fatty acids; cis-9-Hexadecenoic acid of total fatty acids IUPAC 9Z-hexadec-9-enoic acid; cis-11-Hexadecenoic acid of total fatty acids IUPAC 11Z-hexadec-11-enoic acid; Heptadecanoic acid of total fatty acids; Palmitolenic acid of total fatty acids; Octadecanoic acid of total fatty acids; 6,9,12-Hexadecatrienoic acid of total fatty acids; cis-9-Octadecenoic acid of total fatty acids IUPAC Octadec-9-enoic acid; cis-11-Octadecenoic acid of total fatty acids IUPAC Octadec-11-enoic acid; 6,9,12,15-Hexadecatetraenoic acid of total fatty acids; all-cis-9,12-Octadecadienoic acid of total fatty acids; cis-9-Icosanoic acid of total fatty acids; cis-11-Icosenoic acid of total fatty acids; cis-13-Icosenoic acid of total fatty acids; all-cis-6,9,12,15-Octadecatetraenoic acid of total fatty acids; cis-11-Docosenoic acid of total fatty acids; cis-13-Docosenoic acid of total fatty acids; all-cis-8,11,14,17-Eicosatetraenoic acid of total fatty acids; all-cis-5,8,11,14,17-Eicosapentaenoic acid of total fatty acids; all-cis-7,10,13,16-Docosatetraenoic acid of total fatty acids; Fatty acids; all-cis-7,10,13,16,19-Docosapentaenoic acid of total fatty acids; all-cis-4,7,10,13,16,19-Docosahexaenoic acid of total fatty acids; Saturated fatty acids of total fatty acids; Monounsaturated fatty acids of total fatty acids; Polyunsaturated fatty acids of total fatty acids; Ratio; Gas chromatography; International Polar Year 2007-2008 IPY; Arctic; Greenland; Haug; Petersen; Cystophora cristata; Denmark Strait; East Greenland; Greenland Sea; Harp Seal; hooded seal; International Polar Year; IPY; Phoca groenlandica; Zooplankton
• Online Access: https://dx.doi.org/10.1594/pangaea.786674; https://doi.pangaea.de/10.1594/PANGAEA.786674

Sub-Arctic marine ecosystems are some of the most productive ecosystems in the world's oceans. The capacity of herbivorous zooplankton, such as Calanus, to biosynthesize and store large amounts of lipids during the short and intense spring bloom is a fundamental adaptation which facilitates the large production in these ecosystems. These energy-rich lipids are rapidly transferred through the food chain to Arctic seals. The fatty acids and stable isotopes from harp seal (Phoca groenlandica) and hooded seal (Cystophora cristata) off East Greenland as well as their potential prey, were analysed. The results were used to describe the lipid dynamics and energy transfer in parts of the East Greenland ecosystem. Even if the two seal species showed considerable overlap in diet and occurred at relatively similar trophic levels, the fatty acid profiles indicated that the bases of the food chains of harp and hooded seals were different. The fatty acids of harp seals originate from diatom-based food chain, whereas the fatty acids of hooded seals originate from dinoflagellate and the prymnesiophyte Phaeocystis pouchetii-based food chain. Stable isotope analyses showed that both species are true carnivores on the top of their food chains, with hooded seal being slightly higher on the food chain than harp seal. : Data extracted in the frame of a joint ICSTI/PANGAEA IPY effort, see http://doi.pangaea.de/10.1594/PANGAEA.150150