(Table 6) Overview of the relative abundance of individual brGDGTs of the core lipid and and intact polar lipid fractions

Empty cells = not detected.In a Siberian peat in the Yenisei watershed, IIa was shown to consist of two isomers that co-elute (De Jonge et al., 2013). In this study, the contribution of isomers to the areas of IIa, IIb and IIc is probable but remains to be proven.