The following facts serve as a basis for nature-oriented
1silviculture in boreal zone of Finland:
Large natural catastrophes are a good basis for natureoriented silviculture and forest management in boreal
forests.
2 The leaving of dead, dying or living retention trees uncut
in all phases of the rotation is favouring the biodiversity.
3 The use of natural fill-in seedlings together with artificial
regeneration increases the genetic biodiversity of forests.
4 A slight admixture of silver birch in conifer dominated
stands can have a positive impact on landscape,
biodiversity and economic value of the stand.
5 According to latest studies the impacts of new silvicultural practices can already be seen in the development of
indicators describing biodiversity (Ha ¨nninen, 2001)..