10-21 造林面积
areas of afforestation
             
  2000 2003 2005 2007 2008  
项目 2008年比上年增长(%)
item ratio(%)
   
             
1.当年造林面积(千公顷) 24.51 16.72 24.22 35.45 32.81 -7.5
    afforested area in current year(1000 hectare)            
   用材林 8.07 6.88 15.20 27.62 26.22  
    commercial forest            
    经济林 6.47 2.76 3.14 2.12 1.03  
        economic forest            
    防护林 8.04 6.86 5.66 5.67 5.39  
        shelter forest            
    薪炭林 1.90 0.20 0.19 0.04 0.11  
        fuel forest            
2.迹地更新面积(千公顷) 54.91 34.09 80.59 87.61 91.99 5.0
    areas of slash reforestation(1000 hectare)            
3.零星植树(万株) 3559.00 2702.68 1745.14 2186.00 2022.46 -7.5
    fragmentary forest            
4.封山育林面积(千公顷) 1060.37 533.37 412.41 223.18 241.51 8.2
    areas of afforestation in hill(1000 hectare)            
5.育苗面积(千公顷) 0.32 0.36 0.54 0.72 0.76 6.0
    areas of grown seedings(1000 hectare)            
6.幼林抚育作业面积(千公顷) 232.00 195.83 223.00 268.95 311.16 15.7
    areas of tending young forest(1000 hectare)            
7.成林抚育作业面积(千公顷) 188.05 129.53 150.56 93.40 79.16 -15.2
    areas of tending grown forest(1000 hectare)            
             
             
注:1985年以前造林面积成活率45%以上统计,1986年及以后各年成活率85%以上统计。
note: data of afforested areas before 1985 cover the afforested areas with survival rate over 45%. from 1986, the survival rare should be over 85%.