12-15  2017-2021年国土绿化情况
Green area of  land(2017-2021)
单位：千公顷						(1 000 hectares)
指  标	Item	2017	2018	2019	2020	2021
国土绿化情况	Green area of land	268.9	270.7	288.7	460.1	343.5
人工造林	Manual Planting	55.1	90.2	140.2	30.5	54.7
飞播造林	Airplane Planting				20.0	12.0
封山育林	Closed Hillsides for Afforestation	164.1	143.4	79.3	33.9	19.7
退化林修复	Restoration of Degraded Forest				70.0	54.8
森林抚育	Forest Tending	49.7	37.1	69.1	63.7	36.0
草原修复治理	Grassland restoration and management				242.0	166.3
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.