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Table 6 Best group of variables selected by DISTLM analysis, utilizing the BEST procedure and Bayesian Information Criterion (BIC) for resemblance matrixes based on (a) abundance and (b) biomass. BIC = Bayesian Information Criterion and RSS = Residual Sum of Squares

From: Macrofauna community patterns in a Chiloe Island channel used intensely for aquaculture: the ecological status of its benthic environment

BIC RSS No. of Var. Variable Selection
a) Abundance
 368.20 100,740 1 Mean Grain Size (mm)
 369.35 95,123 2 Surface pH, Sorting (mm)
 371.20 91,155 3 Surface pH, Mean grain size (mm), Sorting (mm)
 373.43 88,067 4 Surface pH, seafloor pH, Mean grain size (mm), Sorting (mm)
 375.73 85,207 5 Depth (m), Surface pH, TOM (%), Mean grain size (mm), Sorting (mm)
b) Biomass
 378.23 124,710 1 Mean Grain Size (mm)
 379.61 118,320 2 TOM (%), Mean Grain Size (mm)
 381.44 113,350 3 TOM (%), Sorting (mm)
 383.42 108,920 4 Seafloor pH, TOM (%), Mean Grain Size (mm), Sorting (mm)
 385.42 104,710 5 Seafloor temperature (°C), seafloor pH, TOM (%), Mean grain size (mm), Sorting (mm)