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Table 4 Summary of top 10 PCA loadings based on ln(x + 1)-transformed and standardized fatty acid (FA) data of the fish species Ctenolabrus rupestris, Pomatoschistus minutus, Pomatoschistus pictus, Myoxocephalus scorpius and Taurulus bubalis collected from 2009 to 2011, expressed in [µgFA/µgC] explaining 69.1 % of variability on the first two axes (see Fig. 2)

From: Trophic niche partitioning of littoral fish species from the rocky intertidal of Helgoland, Germany

Variable

PC1

Variable

PC2

20:0

−0.297

18:3n4

0.376

18:1n7

−0.293

18:3n6

0.366

22:1n9

−0.293

16:0

−0.307

24:1n9

−0.287

18:1n9

−0.290

20:4n3

−0.284

22:0

0.278

22:2n6

−0.278

22:6n3 (DHA)

−0.241

24:0

−0.260

18:0

−0.238

18:0

−0.235

16:1n7

−0.231

18:1n9

−0.235

22:2n6

0.218

16:0

−0.231

20:4n6

−0.203