Spatial autocorrelation of phytoplankton biomass is weak in the rivers of Lake Taihu Basin, China | Knowledge and Management of Aquatic Ecosystems

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Table 3

Linear models explaining the total biomass. The models result from a stepwise selection procedure using the independent factors: temperature, pH, conductivity, turbidity, dissolved oxygen, total nitrogen, ammonium, nitrite, nitrate, total phosphorus, permanganate index.

Total biomass	Parameters included	n	P
All data	COD_Mn, T, NH₄–N, tur, pH, NO₃	383	<0.001	0.198
Data averaged by site	NH₄–N, tur, pH, cond	96	<0.001	0.285
Spring	COD_Mn	96	0.006	0.066
Summer	Cond, NO₃–N, COD_Mn, NH₄–N, TP, pH	96	<0.001	0.393
Autumn	NH₄–N, DO, pH, tur, TN, cond	96	<0.001	0.477
Winter	DO, NH₄–N, pH, tur	95	<0.001	0.311

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