Silviculture is the manipulation of

Silviculture is the manipulation of forest structures and
dynamics to achieve management goals. Consequently, if reservation
goals are met through passive management, as is often the
case in existing old-growth forests, there is no need to implement
silvicultural practices. However, in other settings, silvicultural
practices may be beneficial or even necessary to promote oldgrowthness.
These settings can be grouped into three categories: