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. 2018 Oct 18;9:2457. doi: 10.3389/fmicb.2018.02457

FIGURE 1.

FIGURE 1

Principal Component Analysis of environmental parameters and bacterial abundances in intensive (T) and semi intensive (S) systems. Point shape indicates replicate pond of the same system. Increasing color intensity indicates rearing time. SPM, suspended particulate matter; THB, total heterotrophic bacteria; TPPV, total potential pathogenic Vibrio; NH4+, ammonium; Turb, turbidity; Temp, temperature; SiO44-, silicate; Sal, salinity; PO43+, phosphate; NO2-, nitrite; DO, dissolved oxygen; NO3-, nitrate; Chl a, chlorophyll a.