Disturbances affecting forest and other wooded land
FRA 2005 categories Average annual area affected (1000 hectares)
Forest Other wooded land
1990 2000 1990 2000
Disturbance by fire 68 33 230 839
Disturbance by insects - - - -
Disturbance by diseases - - - -
Other disturbances - - - -
Data source: FAO, Global Forest Resources Assessment 2005.

最后更新  2010年2月23日 星期二