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Figure 6: Relative abundance of different taxa at Simpson measured by 1D TRFLP. Soil samples from Simpson plot K are ordered according to relative abundance of g_Ca. Nitrososphaera . Colors represent different taxa: the darkest color, red, indicates unclassified Archaea, the midtone color, blue, indicates o_NRP-J , and the lightest color, green, indicates g_Ca. Nitrososphaera .