Page 45 - 2010年全国水利发展统计公报
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2010年 全国水利发展统计公报
                2010 Statistic Bulletin on China Water Activities

    Soil and water conservation. The improved eroded area reached to 1.068 million
    km2 in 2010, of which small watershed amounted to 416,000 km2. Ecological
    restoration areas accumulated to 720,000 km2. There were 268 silt-retention dams
    constructed on the Loess Plateau Region in 2010. Phase-II of Soil and Water
    Conservation Network and Information System was completed with 738 monitoring
    sites.

    Hydrology and informationization. By the end of 2010, there were 42,682
    hydrological stations of all kinds in the whole country, including 3,193 national
    hydrologic stations, 1,467 gauging stations, 17,245 precipitation stations, 6,535
    water quality stations, 12,991 groundwater monitoring stations, 12 evaporation
    stations and 57 experimental stations, and 1,182 soil moisture monitoring stations.
    There were 12,786 telegram reporting stations and 1,005 hydrologic forecast
    stations. The completed water environment monitoring centers (sub-center) were
    241, which cover nearly all major rivers, lakes and reservoirs in China.

                                                                                        Improved eroded areas

    unit:10,000 km2

    110              2001	  2002	  2003	                           2004	  2005	  2006	  2007	  2008	  2009	 2010
    105
    100
     95
     90
     85
     80
     75
     70
     65
     60

        2000	

40
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