Table 3. Descriptive statistics of nutrient ratios at different sites.

Nutrient ratio	NH3-N:TN			TN:TP
	Mean	Median	Standard Deviation	Mean	Median	Standard Deviation
Group 1 (Site 1, 2, 5)	0.050	0.032	0.064	6.1	5.2	2.7
Group 2 (Site 3, 4)	0.029	0.015	0.059	10.0	9.2	3.3
Group 3 (Site 6)	0.007	0.006	0.003	13.8	13.9	2.8