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. 2017 Mar 3;15(3):453–463. doi: 10.1111/gbi.12231

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© 2017 The Authors. Geobiology Published by John Wiley & Sons Ltd.

This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.

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Relationship between the substrate‐specific and shared operational taxonomic units (OTUs) amongst all five substrates after 3 months. The diagram was constructed using the program VENN (http://bioinformatics.psb.ugent.be/webtools/Venn). Table (left) shows the total number of OTUs per substrate after 3 months (T3), the Shannon–Wiener (H′) and Simpson's (1‐D) diversity indices. The values were calculated by taking the average of OTUs of the ARISA data of the replicate samples of each substrate (n = 6)