Fig. 3From: ‘Fertile island’ effects on the soil microbial community beneath the canopy of Tetraena mongolica, an endangered and dominant shrub in the West Ordos Desert, North ChinaRichness and Shannon indices of the different soil microbial groups beneath and outside the T. mongolica canopy. *** indicates a significant difference at p < 0.001 between the inside and outside canopies; **** indicates a significant difference at p < 0.0001; ns indicates no significant differenceBack to article page