Scaling relations between sSFR and M_⋆ (left column), M_⋆ and M_halo (middle column), and O/H abundance versus M_⋆ (right column) for intrinsic (grey contour lines), flux-limited (light blue area), and dust-attenuated (blue contours) GAEA-LC populations in the redshift range 0.9–1.8. Shown are galaxies emitting Hα fluxes above the EWS cut (top row) and Hα, Hβ, [O III], and [N II] fluxes above the EDS cut (bottom row). The redshift range reflects the entire detectable range for the chosen lines in the given survey configuration. Percentages in the left panels indicate the observable percentage of the flux-limited sample (light blue) and dust-attenuated sample (dark blue). Each panel also contains the mean of the intrinsic (solid lines), flux-limited (dashed), and dust-attenuated (dotted) GAEA-LC populations. Grey panels indicate GAEA’s resolution limits in stellar mass (M_⋆ < 10⁹ M_⊙) and halo mass (M_halo < 10¹¹ M_⊙).