12-6  Ambient Sea Water Quality (2003)
  (10 000 sq.km)
Sea Area Clean Lightly  Moderately  Heavily Principal
 Area Polluted Area Polluted Area Polluted Area Pollutants
           
  National Total 8.05 2.20 1.49 2.40
Inorganic Nitrogen, Phosphate, Lead
  Bohai Sea 1.53 0.38 0.09 0.15
Inorganic Nitrogen, Phosphate, Lead
  Yellow Sea 1.44 0.57 0.35 0.32
Inorganic Nitrogen, Phosphate, Lead
  The East China Sea 3.24 0.54 0.86 1.72
Inorganic Nitrogen, Phosphate, Lead
  South China Sea 1.84 0.71 0.20 0.28
Inorganic Nitrogen, Phosphate, Lead