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Fig. 3. Principal components ordination of unleached straw detritusphere through time. Percentage of variance explained is indicated on each axis. Symbols indicate sampling date and dotted arrows show the temporal shifts among sampling dates, which were significant based on multi-response permutation procedure (MRPP) analysis (p < 0.0001). The bold arrow shows the correlation of the fungal/bacterial ratio with respect to the data, with higher ratios associated positively with PC 1 and negatively with PC 2.
