Table 4. The determined EPC-0 values (mgP dm⁻³) for the bottom sediments of the Rzeszów Reservoirs (r—correlation coefficient).

Site no.	Aerobic conditions			Anoxic conditions
	EPC-0 (mgP dm−3)	r	n	EPC-0 (mgP dm−3)	r	n
1	0.071	0.998	6	0.782	0.972	5
2	0.073	0.996	6	0.529	0.956	6
3	0.082	0.999	6	0.776	0.943	6