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. 2020 Nov 24;11:587556. doi: 10.3389/fmicb.2020.587556

FIGURE 2.

FIGURE 2

QPCR results show the average number of copies per mL per sampling site and time (FT: feeding tank, MP: main ponds and SP: subponds). Copy numbers are expressed on log scale and error bars represent standard error. Missing bars represent lack of samples for certain sampling dates (FT and SP). A standard curve for QPCR reaction was calculated at concentration ranging from 7.53 × 10−4 to 7.530 × 103 ng mL−1 (2.8 × 103−2.8×1012 DNA copies) to estimate the concentration of DNA in the samples.