Increment and fellings
On average, annual fellings are around half the annual increment (rate of tree growth).
|million cubic metres overbark|
|Gross annual increment||18.1||20.8||20.8||20.8|
|Net annual increment||18.0||20.7||20.7||20.7|
|of which: fellings of natural losses||0.1||0.1||0.1||0.1|
National Inventory of Woodland & Trees and related models, Joint Forest Sector Questionnaire, conversion factors
1. For this indicator, 2010 is average of 2008 and 2009, not a forecast for 2010.
3.1: Balance between net annual increment and annual fellings of wood on forest available for wood supply.