9-5  环境保护情况(2010-2011年)
Environmental Protection (2010-2011)
            Item 2010 2011
环保投资(亿元) Investment in Environmental Protection (100 million yuan) 231.68 275.2
水资源总量(亿立方米) Total Water Resources (100 million cu.m) 464.3 514.58
用水总量(亿立方米) Total Use of Water (100 million cu.m) 86.39 86.80
生活污水排放量(万吨) Discharged Volume of Domestic Sewage (10 000 tons) 82933.3 97355.6
化学需氧量排放量(万吨) Discharged Volume of COD (10 000 tons) 23.45 41.68
二氧化硫排放量(万吨) Discharged Volume of SO2 (10 000 tons) 71.94 58.69
#生活二氧化硫排放量(万吨)     Discharged Volume of SO2 from Daily Life (10 000 tons) 14.67 5.56
饮用水源水质达标率(% Rate of Drinking Water Sources up to Standard (%) 100.0 100
工业污染治理施工项目数(个) On-going Projects of Industrial Pollution Treatment (unit) 116 253
工业污染治理项目完成投资(万元) Completed Investment in Projects of Industrial Pollution Treatment (10 000 yuan) 77502 72994
工业污染治理竣工项目数(个) Completed Projects of Industrial Pollution Treatment (unit) 89 195
工业固体废物综合利用率(% Rate of Industrial Solid Wastes Comprehensively Utilized (%) 80.4 76.86
森林覆盖率(%) Forest Coverage(%) 37.0 39.0
自然保护区数(个) Number of Nature Reserves (unit) 58 58
自然保护区面积(万公顷) Area of Nature Reserves (10 000 hectares) 89.23 87.58
保护区面积占土地总面积比重(% Percentage of Nature Reserves to Total Land Area (%) 10.8 10.3
主城区区域环境噪声平均值(分贝) Average Noises in Downtown (db) 54.2 54.0
主城区道路交通噪声(分贝) Traffic Noises in Downtown (db) 68.0 68.0
主城区大气可吸入颗粒年日均值(毫克/立方米) Annual Average Daily Inhalable Motes in Atmosphere in Downtown (mg/cu.m) 0.102 0.093
主城区二氧化硫年日均值(毫克/立方米) Annual Average Daily SO2 Concentration in Downtown (mg/cu.m) 0.048 0.038
主城区二氧化氮年日均值(毫克/立方米) Annual Average Daily NO2 Concentration in Downtown (mg/cu.m) 0.039 0.032
主城区环境空气质量优良天数比例(% Proportion of High Air Quality Days in Downtown (%)  85.2 88.8
注:1)森林覆盖率数据为2002年森林资源二类调查基础上的推算数,该调查一般五年一次。
    2)环境保护数据2011年统计口径变化,与往年不可比(9-5至9-11表)。
Note: a)The data of forest coverage is calculated on the basis of Class II survey of forest resources in 2002, which is carried out every 5 years ordinarily.
          b)Due to the adjustment of statistic scope, the data of environment protection in 2011 is not comparable with the data of previous years (from 9-5 to 9-11).