Table 1 Lipid carbon isotopic values (‰ δ 13 C vs VPDB) in the top surface (section 0 to 2 cm depth). In the three sites.

From: Modes of carbon fixation in an arsenic and CO2-rich shallow hydrothermal ecosystem

Lipids

White capped sediment

Brown capped sediment

Sand sediment (Reference)

Bacterially derived lipids

anti isoC15:0 fatty acid

<lod

<lod

−19.7‰

isoC15:0 fatty acid

<lod

<lod

−22.6‰

Lipids of non-specific origin

C16:1 cis-9 fatty acid

−15.7‰

−29.5‰

−19.4‰

C16:0 fatty acid

−25.5‰

−29.6‰

−19.9‰

C18:0 fatty acid

<lod

−31.6‰

−25.7‰

  1. lod limit of detection.