Table 2 Results of the PERMANOVA test to estimate the effect and spatial variation of D. geminata on the diatom community in Chilean rivers. The sources of variation considered in the analyses were PA: Presence / Absence of D. geminata, Ba: basins, the combined factor PAxBa and Res: Residuals

From: Community signals of the effect of Didymosphenia geminata (Lyngbye) M. Schmidt on benthic diatom communities in Chilean rivers