Table 1. Presence BRI assessment categories, assessment thresholds, and percentage of samples in agreement with abundance BRI assessment category in the 493 sample calibration data.

Assessment Category	BRI-P	Samples	Samples in same BRI category
			n	%
Reference	≤24	304	298	98.0
Marginal	>24 to ≤32	114	92	80.7
Diversity Loss	>32 to ≤40.7	34	31	91.2
Community Function Loss	>40.7 to ≤65.3	32	25	78.1
Defaunation	≥ 65.3	9	7	77.8
Total		493	453	91.9