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Table 3 Relative proportions of major fatty acids (% of total FAs; mean ± SD) in adult Limnocalanus macrurus and mixed plankton during summer 2013 in the southern Bothnian Sea

From: Fatty acid composition and lipid content in the copepod Limnocalanus macrurus during summer in the southern Bothnian Sea

Fatty acid L. macrurus Mixed plankton
June 12 (n = 1) July 1 (n = 3) mean ± SD Sept 9 (n = 3) mean ± SD May 23 (P) June 12 (P) July 1 (P) Sept 9 (P)
14:0 2.7 2.0 ± 0.5 1.5 ± 0.6 11.6 8.6 8.3 7.9
16:0 9.0 10.7 ± 1.0 8.7 ± 1.4 17.0 20.7 25.1 20.0
18:0 2.9 3.6 ± 0.5 2.4 ± 0.6 0.7 4.4 6.1 3.3
20:0 0.8 + + 4.1 0.9 3.5 5.2
16:1(n-7) 1.1 1.2 ± 0.5 1.6 ± 0.1 22.9 7.5 5.4 6.7
18:1(n-7) 1.0 1.5 ± 0.4 1.8 ± 1.4 1.1 1.7 2.3
18:1(n-9) 6.3 9.7 ± 3.0 15.6 ± 2.1 8.0 6.7 5.8 5.0
20:1(n-9) + + 5.2 0.9 0.9
22:1(n-9) 0.8 2.3 ± 2.0 0.8 ± 0.2 0.7 1.8 2.4 0.5
24:1(n-9) 1.3 0.8 ± 0.0 1.0 ± 0.0 + + + +
20:2(n-6) 1.4 1.8 ± 0.9 3.3 ± 0.8 +
20:3(n-3) 1.0 1.6 ± 0.6 2.8 ± 0.6 +
18:2(n-6) 8.3 9.4 ± 2.3 10.5 ± 0.8 1.7 4.5 4.2 2.7
18:3(n-3) 4.3 4.5 ± 0.7 4.6 ± 0.2 1.5 6.7 6.2 6.8
18:4(n-3) 3.9 3.9 ± 0.4 3.5 ± 0.6
20:5(n-3) 22.9 11.2 ± 0.6 10.1 ± 0.9 12.1 11.2 12.6 15.7
22:6(n-3) 9.9 18.3 ± 1.1 16.1 ± 1.4 8.6 15.2 13.9 13.2
Others 22.4 17.8 ± 6.2 15.4 ± 0.3 5.9 9.8 4.8 9.8
Total 100.0 100.0 100.0 100.0 100.0 100.0 100.0
  1. n = number of samples (containing 30–32 ind./sample); P = pooled sample; (−) = not detected; (+) proportion <0.5%; included in the group “Others”