Table 3

BOD
NCE (Forest -Farm -Urban)	Nº of Data		Average Yrural (kg/yr/km²)	Yrural [min-max]	Nº of Data	Average Yurb (kg/yr/km²)	Yurban [min-max]	Type ratios Y's
MJB (6,2% - 48,2% - 45,6%)	4		90 793	[8 853 - 172 732]	12	28 246	[667 - 215 421]	A
MJA (6,2% - 48,2% - 45,6%)	*		-	-	2	20 884	[20 884 - 20 884]
	2		12 183 875	[12 183 875 - 12 183 875]	*	-	-	A
	2		199 075	[199 075 - 199 075]	*	-	-
	2		115 911	[115 911 - 115 911]	*	-	-
CAN (82,2% -16,1% -1,7%)	5		1 772	[138 - 5 785]	2	34 770	[34 770 - 34 770]
	7		6 065	[258 - 13 671]	*	-	-	B
	6		627	[31 - 1 515]	*	-	-
	8		6 726	[1 007 - 12 672]	*	-	-
DO
NCE (Forest -Farm -Urban)		Nº of Data	Average Yrural (kg/yr/km²)	Yrural [min-max]	Nº of Data	Average Yurb (kg/yr/km²)	Yurban [min-max]	Type ratios Y's
BEB (20,8% - 79,2% - 0,0%)		11	6 760	[695 - 25 016]	2	7 538	[7 538 - 7 538]	B
CFR (25,4% - 63,0% - 11,6%)		11	6 760	[695 - 25 016]	2	7 538	[7 538 - 7 538]	B
MJB (6,2% - 48,2% - 45,6%)		6	29 423	[2 143 - 68 463]	11	34 573	[7 140 - 66 699]	B
MJA (6,2% - 48,2% - 45,6%)		*	-	-	3	9 445	[885 - 13 725]	A
		2	1 299 329	[1 299 329 - 1 299 329]	*	-	-
		*	-	-	3	7 934	[5 491 - 9 156]
		*	-	-	3	10 747	[10 093 - 12 057]
CAN (82,2% - 16,1% - 1,7%)		8	3 887	[271 - 14 994]	0	-	-	A
		8	5 955	[714 - 12 512]	*	-	-
		7	2 294	[1 279 - 3 747]	*	-	-
		8	20 679	[1 592 - 54 918]	*	-	-
CHLOROPHYLL-a
NCE (Forest -Farm -Urban)	Nº of Data		Average Yrural (kg/yr/km²)	Yrural [min-max]	Nº of Data	Average Yurb (kg/yr/km²)	Yurban [min-max]	Type ratios Y's
BEB (20,8% - 79,2% - 0,0%)	10		1	[0,04 - 2,9]	3	7 838	[32 - 11 741]	B
CFR (25,4% - 63,0% - 11,6%)	10		1	[0,04 - 2,9]	3	7 838	[32 - 11 741]	B
CAN (82,2% - 16,1% - 1,7%)	7		6,4	[0,9 - 10,2]	*	-	-	B
	4		1,3	[1,0 - 1,9]	2	84	[84 - 84]
	7		0,9	[0,04 - 2,9]	2	2	[2,0 - 2,0]
	7		34,9	[0,6 - 101]	*	-	-
TOTAL COLIFORMES
NCE (Forest -Farm -Urban)	Nº of Data		Average Yrural (MPN/yr/100ml)	Yrural [min-max]	Nº of Data	Average Yurb (MPN/yr/100ml)	Yurban [min-max]	Type ratios Y's
BEB (20,8% - 79,2% - 0,0%)	19		25	[0,14 - 222]	4	529	[9 - 883]	B
CFR (25,4% - 63,0% - 11,6%)	19		25	[0,14 - 222]	4	529	[9 - 883]	B
MJB (6,2% - 48,2% - 45,6%)	2		927 855	[927 855 - 927 855]	11	177 913	[7 - 975 892]	A

Legend: *mass balance equation not applied

Table 3: Estimated pollution generation coefficients (Y’s) based on the mass balance of nested catchments