Seasonal Succession of Bacterial Communities in the Land-Based Container with Recycling Water Aquaculture System

Table 1

Water quality indicators of the multistage eco-ponds and Koi containers in different seasons.

Season	Sampling sites	Sample ID	TN (mg/L)	TP (mg/L)	TAN; (mg/L)	NH3-N; (mg/L)	NO3^−-N (mg/L)	NO2^−-N (mg/L)	Removal efficiency (%)
									TN	TP
Autumn	Koi container	AJL	2.789	0.294	0.507	0.012	0.064	0.066	31.7	81.97
	Eco-pond 1	AS1	2.911	0.253	1.274	0.03	0.569	0.256
	Eco-pond 2	AS2	1.977	0.098	0.68	0.026	0.689	0.125
	Eco-pond 3	AS3	1.904	0.053	0.513	0.015	0.421	0.066
Winter	Koi container	WJL	3.385	0.266	0.975	0.03	0.161	0.266	64.11	82.33
	Eco-pond 1	WS1	1.685	0.154	0.62	0.014	0.408	0.068
	Eco-pond 2	WS2	1.628	0.061	0.251	0.009	0.285	0.02
	Eco-pond 3	WS3	1.215	0.047	0.097	0.004	0.092	0.001
Summer	Koi container	SuJL	4.42	0.283	1.413	0.034	0.127	0.283	68.17	83.04
	Eco-pond 1	SuS1	2.312	0.123	0.805	0.019	0.554	0.049
	Eco-pond 2	SuS2	2.07	0.064	0.484	0.077	0.181	0.012
	Eco-pond 3	SuS3	1.407	0.048	0.14	0.018	0.488	0.008