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AMB Express
Fig. 4 | AMB Express

Fig. 4

From: Microbial community dynamics in an ANAMMOX reactor for piggery wastewater treatment with startup, raising nitrogen load, and stable performance

Fig. 4

a Effects of environmental variables on bacterial community dynamics, from RDA based on Illumina MiSeq data. Numbers: sampling dates. Blue, red, and orange as in Fig. 3. Arrows: direction and magnitude of environmental variables driving bacterial community dynamics. Environmental factors were selected based on significance (p < 0.05) calculated from Mantel test results. b Relative contributions of environmental variables on bacterial community dynamics, from VPA. X1: influent ammonia; X2: influent nitrite; X3: effluent nitrate

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