I3 EUTROPHICATION (Q, 3)


Nitrogen and phosphorus loadings to the lake [t yr-1]

YEAR: 1985

Sources Industrial  Domestic  Agricultural  Natural    Total
---------------------------------------------------------------
T-N       18.3       357.7       20.1        73.0      469.1
T-P       3.7         54.8        1.8         1.8       62.1