Lipid composition of Calanus finmarchicus from the north sea and the arctic. A comparative study |
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| Institution: | 1. Department of Science and Environment, Roskilde University, Universitetsvej 1, DK-4000 Roskilde, Denmark;2. Department of Environmental Science - Environmental Microbiology and Biotechnology, Aarhus University, Frederiksborgvej 399, DK-4000 Roskilde, Denmark;1. Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 440-746, South Korea;2. Department of Marine Science, College of Natural Sciences, Incheon National University, Incheon 406-772, South Korea;3. Pacific Ocean Research Center, Korea Institute of Ocean Science and Technology, Ansan 426-744, South Korea;4. Department of Life Science, College of Natural Sciences, Hanyang University, Seoul 133-791, South Korea;5. Department of Marine Sciences and Convergent Technology, College of Science and Technology, Hanyang University, Ansan 426-791, South Korea;6. Department of Life Science, College of Natural Sciences, Sangmyung University, Seoul 110-743, South Korea |
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| Abstract: | - 1.1. Females, copepodid stages V and IV of Calanus finmarchicus were collected in Fram Strait area of the Arctic and in the northern North Sea to compare their lipid composition.
- 2.2. For the comparison only copepods were considered which contained more than 8% of 18:4 fatty acid and high amounts of wax esters to exclude seasonal and spatial variabilities and different reproductive status of females.
- 3.3. Animals are heavier in the Fram Strait area than in the North Sea with similar lipid proportion of dry weight and wax ester proportion of total lipid.
- 4.4. Only some statistical significant differences exist between the fatty acid and alcohol compositions. The levels of 16:0 acid and alcohol and of 22:1 alcohol are higher and of 20:1 acid and alcohol are lower in the North Sea than in the Arctic.
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