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Table 4

Fatty acids, fatty acid ratios and sum that were used as trophic markers to identify A. noae diet in the Bizerte lagoon.

FATM/Source References Oct-13 Nov-13 Dec-13 Jan-14 Feb-14 Mar-14 Apr-14 May-14 Jun-14 Jul-14 Aug-14 Sep-14
C16:1n−7 Ackman et al. (1968) 7.05 ± 1.74b 7.34 ± 2.47b 8.10 ± 3.92b 5.05 ± 0.78a 5.91 ± 2.59a 6.22 ± 1.42ab 3.81 ± 1.60a 6.78 ± 0.34b 7.18 ± 1.43b 6.06 ± 1.04ab 9.28 ± 2.07b 6.74 ± 1.65ab
Mayzaud et al. (1989)
Ezgeta et al. (2012)
Diatoms Kelly and Scheibling (2012)
Bacteria
C20:5n−3 Mayzaud et al. (1989) 6.63 ± 1.40a 6.30 ± 2.36a 6.037 ± 0.82a 5.62 ± 1.56a 6.52 ± 1.26a 6.59 ± 1.64a 5.19 ± 0.55a 7.68 ± 1.68a 5.16 ± 0.77a 4.21 ± 1.39a 6.11 ± 0.53a 5.78 ± 0.76a
Diatoms Budge and Parrish (1998)
C22:6n−3/C20:5n−3 > 1 Dalsgaard et al. (2003) 1.57 ± 0.2a 1.06 ± 0.2a 1.31 ± 0.2a 1.55 ± 0.3a 1.72 ± 0.6a 1.79 ± 0.4a 2.38 ± 0.7b 1.39 ± 0.3a 1.77 ± 0.3a 2.16 ± 0.5b 1.24 ± 0.2a 1.72 ± 0.3a
Dinoflagellates
C22:6n−3 Mayzaud et al. (1989) 10.37 ± 2.16b 6.66 ± 2.35a 7.96 ± 1.86a 8.51 ± 1.50a 10.95 ± 3.09b 11.44 ± 1.41b 12.34 ± 3.56b 10.71 ± 2.62b 9.09 ± 1.57a 8.77 ± 2.20a 7.65 ± 1.75a 9.86 ± 1.66a
Zooplankton Budge and Parrish (1998)
Dinoflagellates Kharlamenko et al. (2001)
Kelly and Scheibling (2012)
C18:2n−6 Mayzaud et al. (1989) 3.79 ± 0.52a 2.14 ± 0.30a 2.67 ± 0.47a 2.77 ± 1.31a 3.44 ± 0.66a 3.35 ± 0.49a 2.44 ± 0.45a 3.38 ± 0.36a 3.21 ± 0.34a 2.88 ± 0.42a 2.91 ± 0.24a 2.20 ± 1.73a
Zooplankton Kelly and Scheibling (2012)
Seagrass
Macroalgae
Vascular plants
Detritus/Bacterial Najdek et al. (2002) 11.4 ± 7.7b 6.63 ± 2.2a 6.86 ± 4.5a 8.12 ± 5a 8.83 ± 5.3a 8.78 ± 5.4a 7.37 ± 3.8a 9.19 ± 6.1b 10.1 ± 6.6b 9.9 ±6.3 b 10.2 ± 6.7b 8.54 ± 5.4a
C15:0  + C18:1n−7 Ezgeta et al. (2012)

Different letters (a, b and ab) in the same row indicate significant differences (p < 0.05).

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