Upper panel: Lyα flux vs Lyα equivalent width. lower panel: Lyα luminosity vs Lyα equivalent width. Green (red) stars indicate LAEVs in the identified overdensities with EW(Lyα) < 20 Å (EW(Lyα) > 20 Å), black dots indicate the LAEVs in the field. The vertical lines correspond to the mean (solid) and median (dashed) values of the EW(Lyα) of LAEVs in overdensities (red) and in the field (black). The horizontal lines correspond to the mean (solid) and median (dashed) values of the F(Lyα) and L(Lyα) of the LAEVs in the detected overdensities (red) and in the field (black). The shaded areas indicate the standard deviation of the means. The mean and median values of the F(Lyα) of the LAEVs in the detected overdensities and the median value of the F(Lyα) of the LAEVs in the field overlap. The mean and median values of the L(Lyα) is 1.4 ± 0.4 × 10⁴² and 1.3 × 10⁴² erg sec⁻¹ for the LAEVs in the detected overdensities, while they are 2.9 ± 0.5 × 10⁴² and 1.6 × 10⁴² erg sec⁻¹ for the LAEVs in the field. The median value of the LAEVs in the identified overdensities with EW(Lyα) < 20 Å (> 20 Å) is 7.4 × 10⁴¹ erg sec⁻¹ (1.7 × 10⁴² erg sec⁻¹).