A national-scale vegetation multimetric index (VMMI) as an indicator of wetland condition across the conterminous United States.

Nevertheless, the ability of the VMMI to distinguish reference from most disturbed sites was highly significant for all 10 reporting groups (Table 11 ), and box-and-whisker plot comparisons (Fig. 5 ) indicated clear separation of VMMI values based on interquartile ranges for the least and most disturbed sites for 8 of the 10 groups.

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