1.
(Table S1) Concentrations of brGDGTs for each sample set along the Tagus transect
2.
(Table 2) Age model of Tagus river samples
List and processing details of the selected samples of the study for metabarcoding analyses (Table S2)
(Table 3) Concentrations of GDGTs and brGDGT-based indices for each sample set along the Tagus transect
Long-chain diols and BIT index in surface sediments