
            I3 EUTROPHICATION
<< Nitrogen and phosphorus loadings to the lake [t yr-1](Q) >>
YEAR: 1981
Sources Industrial Domestic   Agricultural  Natural    Total
--------------------------------------------------------------
T-N         219.0  1,299.4      2,098.8      631.5   4,248.7
T-P         120.5    124.1        164.3       47.5     456.4