Fig. 3

The core microbiota of a bedding sand recycling system. A heat-tree of the core microbiota of a bedding sand recycling system. Node and line widths increase with the mean relative abundance of the core taxonomic groups across all samples. Colors indicate the log2 ratio of the median counts of taxanomic groups between summer and winter samples. Increasing magenta indicates increased abundance in summer samples, cyan for increased abundance in winter samples, and grey represents no seasonal difference. Log2 ratio of median counts were set to zero for taxnomic groups having non-significant differential abundance by season (P < 0.05), per FDR-corrected pairwise Wilcoxon rank sum tests of median abundance counts