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Table 2 PERMANOVA results analyzing the benthic assemblage and polychaetes assemblage from muddy and sandy sediment

From: Cost/benefit and the effect of sample preservation procedures on quantitative patterns in benthic ecology

Factors DF MS F Unique permutations p(perm) p(MC)
Macrofauna       
Preservation (Pr) 1 4598.62 1.58 9929 0.1793 NS 0.1238 NS
Sediment (S) 1 72,874.61 2.10 9907 0.0001* 0.0001*
Pr × S 1 4484.29 1.54 9913 0.1814 NS 0.1335 NS
Sampling points (Pr × S) 16 2903.83 1.20 9800 0.1022 NS 0.1144 NS
Residual 40 2426.04     
Polychaetes       
Preservation (Pr) 1 5218.38 1.71 9928 0.1683 NS 0.1159 NS
Sediment (S) 1 71,914.60 23.60 9921 0.0001* 0.0001*
Pr × S 1 5420.79 1.78 9927 0.1654 NS 0.1005 NS
Sampling points (Pr × S) 16 3046.89 1.30 9840 0.0502 NS 0.0545 NS
Residual 40 2344.74     
  1. NS not significant, DF degrees of freedom, MS mean squares, p(perm) permuted p value, p(MC) Monte Carlo p value
  2. * Significant difference for α = 0.05