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. 2013 Aug 6;2013:470867. doi: 10.1155/2013/470867

Table 5.

Results of RDA permutation analyses on bacterial community data derived from ARISA, testing for the effects of membrane type (PE, PSF, and PVDF), treatment (adhesion, Ringer, biofilm), and the interaction between both factors. λ 1 and λ 2 represent the eigenvalues of the first and second axes. λ tot represents the percentage of total community variation explained by the experimental factors.

λ 1 λ 2 λ tot F P
Static assay in lab-scale MBR
 Membrane 0.066 0.014 8% 1.062 0.382
 Treatment (adhesion-Ringer-biofilm) 0.247 0.113 36% 4.809 <0.001
 Membrane ∗ treatments 0.263 0.114 43% 2.161 0.007

Significant values are in bold.