Fig. 3From: Extra benefit of microalgae in raw piggery wastewater treatment: pathogen reductionOrdination diagrams of environmental factors using A principal coordinate analysis (PCoA) and B distance-based redundancy analysis (db-RDA) based on canonical analysis of principal coordinate (CAP) plots using Bray–Curtis distance. Each graph shows the difference between the microalgae-wastewater treatment group and the control groupBack to article page