σ_8g(upper panel) and S_3g (lower panel) as a function of redshift. Colours represent the different absolute magnitude limits as in previous figures. The open hexagon represents the corresponding value for 2dFGRS galaxies in the absolute magnitude M_bJ range [–21, –20] (Croton et al. 2004b). Black open squares are the values for VVDS galaxies brighter than M_B = −21 (Marinoni et al. 2005). For better visibility, points corresponding to different redshifts are slightly shifted in magnitude.