Fig. 4. Relative importance of high-level processes structuring the bacterial metacommunity of the Paraná fluvial system in different hydrological phases.
Values indicate percentage of community turnover associated to each process: homogeneous selection (βNTI < −2), heterogeneous selection (βNTI > +2), homogeneous dispersal (RCbray < −0.95), dispersal limitation combined with drift (RCbray > +0.95), and drift (|RCbray| < 0.95). LW low water, LWs low water with sedimentological pulse, HW high water, eHW extraordinary high water.