|
Evaluation of Seawater Quality (2005) (10 000 sq.km)
| Sea Area |
Measuring |
Reasonably |
Lightly |
Moderately |
Heavily |
Chief |
|
Stations (unit) |
Clean Area |
Polluted |
Polluted |
Polluted |
Pollutant |
| |
|
|
Area |
Area |
Area |
|
| National |
486.0 |
5.8 |
3.4 |
1.8 |
2.9 |
Inorganic Nitrogen |
| Bohai Sea |
86.0 |
0.9 |
0.6 |
0.3 |
0.2 |
Inorganic Nitrogen |
| Yellow Sea |
115.0 |
2.2 |
1.4 |
0.4 |
0.3 |
Inorganic Nitrogen |
| East China Sea |
127.0 |
2.1 |
1.0 |
1.1 |
2.3 |
Inorganic Nitrogen |
| South China Sea |
158.0 |
0.6 |
0.3 |
0.0 |
0.1 |
Inorganic Nitrogen | Source: State Oceanic Administration (the same as in the following table).
Evaluation of Seawater Quality in Offshore Area (by Degree of Pollution) (2005) (10 000 sq.km)
| Sea Area |
Measuring |
Reasonably |
Lightly |
Moderately |
Heavily |
Chief |
|
Stations (unit) |
Clean Area |
Polluted |
Polluted |
Polluted |
Pollutant |
| |
|
|
Area |
Area |
Area |
|
| National |
340.0 |
2.6 |
2.4 |
1.5 |
3.1 |
Inorganic Nitrogen |
| Bohai Sea |
58.0 |
0.5 |
0.6 |
0.3 |
0.3 |
Inorganic Nitrogen |
| Yellow Sea |
76.0 |
0.8 |
0.9 |
0.3 |
0.3 |
Inorganic Nitrogen |
| East China Sea |
90.0 |
0.7 |
0.6 |
0.9 |
2.4 |
Inorganic Nitrogen |
| South China Sea |
116.0 |
0.6 |
0.4 |
0.0 |
0.1 |
Inorganic Nitrogen |
Evaluation of Seawater Quality in Offshore Area (by Type of Seawater) (2005) (%)
| Sea Area |
Measurement |
Grade I |
Grade II |
Grade III |
Grade IV |
Worse than |
| |
Stations (unit) |
|
|
|
|
Grade IV |
| National |
293.0 |
32.1 |
35.2 |
8.9 |
5.5 |
18.4 |
| Bohai Sea |
47.0 |
27.7 |
38.3 |
14.9 |
6.4 |
12.8 |
| Yellow Sea |
54.0 |
46.3 |
42.6 |
|
3.7 |
7.4 |
| East China Sea |
93.0 |
5.4 |
30.1 |
11.8 |
11.8 |
40.9 |
| South China Sea |
99.0 |
51.5 |
34.3 |
8.1 |
|
6.1 |
Source: State Environmental Protection Administration.
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