Table 1. Acoustic fishes biomass estimates.

sA estimate	Acoustic fishes biomass estimates
	Total sA	Average	Median	75%	25%	Max	Min
		−34.6 db kg−1	−30.8 db kg−1	−28.4 db kg−1	−42.2 db kg−1	−26.8 db kg−1	−46.8 db kg−1
OLS: sA=2384.4* ln(PP)—11678	4.24E+17	28,363	11,824	6,804	163,215	4,707	470,717
OLS: ln (sA)=1.52* ln (PP)—1.36	4.70E+17	31,449	13,110	7,544	180,972	5,219	521,930
GWR: ln (sA)=1.36* ln (PP)—0.2	5.57E+17	37,264	15,534	8,939	214,433	6,184	618,432
GWR different equations for PP above and below 400*	4.38E+17	29,321	12,223	7,034	168,725	4,866	486,607
Cruise average sAxocean surface deeper 1,000 m	4.14E+17	27,427	11,433	6,579	157,826	4,552	455,176

GWR, geographically weighted regression; OLS, ordinary least squares regression. Total backscatter between 40° N and 40° S estimated from PP (total s_A) and different acoustic to weight (db kg⁻¹) ratios (see Table 2).

^*See Supplementary Table 1 for details on the GWR equation parameters above and below 400 mg C m⁻² d⁻¹.