Maps

Nitrate

Jan Feb Mar Apr May Jun
Nutrient 1971-1 Nitrate 1971-2 Nitrate 1971-3 Nitrate 1971-4 Nitrate 1971-5 Nitrate 1971-6
 
July Aug Sep Oct Nov Dec
Nitrate 1971-7 Nitrate 1971-8 Nitrate 1971-9 Nitrate 1971-10 Nitrate 1971-11 Nitrate 1971-12

Phosphate

Jan Feb Mar Apr May Jun
Phosphate 1971-1 Phosphate 1971-2 Phosphate 1971-3 Phosphate 1971-4 Phosphate 1971-5 Phosphate 1971-6
 
July Aug Sep Oct Nov Dec
Phosphate 1971-7 Phosphate 1971-8 Phosphate 1971-9 Phosphate 1971-10 Phosphate 1971-11 Phosphate 1971-12

Silicate

Jan Feb Mar Apr May Jun
Silicate 1971-1 Silicate 1971-2 Silicate 1971-3 Silicate 1971-4 Silicate 1971-5 Silicate 1971-6
 
July Aug Sep Oct Nov Dec
Silicate 1971-7 Silicate 1971-8 Silicate 1971-9 Silicate 1971-10 Silicate 1971-11 Silicate 1971-12