G1 LAND USE IN THE CATCHMENT AREA (6)

YEAR: 1980

                   Original basin      Newly added basin 
                  area [km2]  [%]      area [km2]   [%]
------------------------------------------------------------
Natural             8.95     72.5       19.51      68.7
Agricultural land   1.36     11.0        5.59      19.7
Resident            0.44      3.6        0.37       1.3
Others              1.59     12.9        2.92       10.3
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Total              12.34    100         28.39      100