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. 2015 Aug 12;10(8):e0135354. doi: 10.1371/journal.pone.0135354

Table 3. Functional diversity indexes of soil microbial communities at different stand ages.

Stand age Simpson index Shannon index Richness index McIntosh index
3 years 0.974 3.449 17.33 0.933
10 years 0.926 3.286 15.19 0.876
18 years 0.908 3.193 13.72 0.768
25 years 0.875 3.051 11.09 0.669