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Table 1

Summary of rmANOVA results on the effects of different treatment on the concentrations of total nitrogen (TN), total dissolved nitrogen (TDN), total phosphorus (TP), total dissolved phosphorus (TDP), chlorophyll a of water (W-Chl-a) and chlorophyll a of periphyton (P-Chl-a).

Effects TN TDN TP TDP W-Chl-a P-Chl-a
Shrimp 0.028 0.063 0.001 0.112 < 0.001 0.047
Time 0.001 < 0.001 < 0.001 0.025 0.093 0.001
Shrimp × Time 0.859 0.118 0.016 0.013 0.126 0.088

Notes: Values indicate probability levels; values in bold are below significance level (0.05).

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