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Summary of implications on Biomass Index BI used for detecting microbially-colonized geophysical systems.
| Case 1 | Case 2 | Case 3 | Case 4 | |
|---|---|---|---|---|
| If | S(Q|Ptest) = S(Q|Pref) | S(Q|Ptest) < S(Q|Pref) | S(Q|Ptest) > S(Q|Pref) | S(Q|Ptest) = S(Q|Puni) |
| then | BI(Q|Ptest) = 0 | BI(Q|Ptest) > 0 | BI(Q|Ptest) < 0 | BI(Q|Ptest) = −1 |
| then | Biomass-free | Biomass-free | Biomass-affected | Biomass-affected |
