Table 3: Mean Values of Selected PLFAs Expressed as Mol% in Different Soil Profiles. Significant Differences Between the Groups in Tukey's B Test are Indicated by Letters

n Gram Positive PLFA (Mol%) Gram Negative PLFA (Mol%)
Depth (m) i15:0 i16:0 i17:0 a15:0 16:1ω5 cy17:0 18:1ω7 cy19:0
Contaminated 0-2.5 5 4 +/- 0.3 2 +/- 0.1 1 +/- 0.2 5 +/- 0.9a 3 +/- 1.7 7 +/-1.1b 13 +/-5.7ab 5+/- 0.8
3.0-7.0 6 7 +/- 2.8 2 +/- 0.5 1 +/- 0.3 13 +/- 2.3b 2 +/- 0.8 2 +/- 1.3a 6 +/- 3.8a 1+/- 0.8
Clean 0-2.0 2 5 +/-0.3 2 +/- 0.1 1 +/- 0.1 4 +/- 0.2a 1 +/- 0.9 4 +/- 0.2a 7 +/- 1.4a 10+/- 3.6
3.0-5.0 2 3 +/-0.8 2 +/- 0.5 1 +/- 1.2 3 +/- 1.4a 8 +/- 8.2 8 +/- 3.4b 31+/- 28.8b 3+/- 0.4

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