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Table 8

Translated national boundaries of ecological status and related boundary bias before and after boundary harmonization.

Status boundary Translated into IC index (ICMi bs)1 Difference Class width Boundary bias
Before harmonization
Reference 0.78      
High–good 0.71 −0.08 0.07 −1.23
Good–moderate 0.52 −0.09 0.19 −0.49
Moderate–poor 0.33      
Poor–bad 0.13      
After harmonization
Reference 0.81      
High–good 0.79 −0.01 0.02 −0.25
Good–moderate 0.56 −0.05 0.23 −0.24
Moderate–poor 0.33      
Poor–bad 0.13      

1ICMi_bs = 1.12 * EQR STAR_ICMi bs − 0.14

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