|
|
全海域未达到第一类海水水质标准的海域面积(平方公里) | ||||
|
|
Sea Area with Water Quality Not Reaching Standard of GradeⅠ(sq.km) | ||||
|
年 份 |
合 计 |
第二类水质 |
第三类水质 |
第四类水质 |
劣于第四类水质 |
|
|
|
海域面积 |
海域面积 |
海域面积 |
海域面积 |
|
Year |
Total |
Sea Area with |
Sea Area with |
Sea Area with |
Sea Area with |
|
|
|
Water Quality |
Water Quality |
Water Quality |
Water Quality |
|
|
|
at Grade Ⅱ |
at Grade Ⅲ |
at Grade Ⅳ |
below Grade Ⅳ |
|
|
|
|
|
|
|
|
2007 |
145280 |
51290 |
47510 |
16760 |
29720 |
|
2008 |
137000 |
65480 |
28840 |
17420 |
25260 |
|
2009 |
146980 |
70920 |
25500 |
20840 |
29720 |
|
2010 |
177720 |
70430 |
36190 |
23070 |
48030 |
|
|
|
|
|
|
|
|
2011 |
144290 |
47840 |
34310 |
18340 |
43800 |
|
|
|
|
|
|
|
