12-15  2018-2022年国土绿化情况
  Green area of  land(2018-2022)
单位:千公顷 (1 000 hectares)
  Item 2018 2019 2020 2021 2022
                                                                                     
国土绿化情况 Green area of land 270.7 288.7 460.1 343.5 350.3
  人工造林    Manual Planting 90.2 140.2 30.5 54.7 32.5
  飞播造林   Airplane Planting   20.0 12.0 4.0
  封山育林   Closed Hillsides for Afforestation 143.4 79.3 33.9 19.7 74.5
  退化林修复   Restoration of Degraded Forest   70.0 54.8 21.4
  森林抚育   Forest Tending 37.1 69.1 63.7 36.0 25.2
  草原修复治理   Grassland restoration and management   242.0 166.3 172.3
                                   
             
注:本表数据来源于青海省林业和草原局年度国土绿化公报。
Note:The data in this table is from the annual report of Qinghai Forestry and Grassland Bureau.