Impact of thinning on volume and on growth rate (i.e., slope of volume curve)

From Muir et al. 2002 (see T-drive)

From Muir et al. 2002 (see T-drive)

From Muir et al. 2002 (see T-drive)

From Muir et al. 2002 (see T-drive)

Pre-commercial thin in a mixed stand of lodgepole pine, ponderosa pine, and Douglas-fir.

Overstocked planted stand (from natural pine seeding) after thinning using a drum chopper

Geometrical thinning in Norway spruceEvery 7th row removed to facilitate access into the standLow thinning in intermediate rows

Norway spruce stand after repeated thinnings

Red alder thinning, BC

White spruce thinning, 25 yrs

Douglas-fir thinning McDonald Forest

cable corridor

Same corridor

8 years later

Feller-buncher, Alberta, Canada

David P. Shorthouse, University of Alberta, www.forestryimages.org

Thinning dense loblolly stand with an early fall burn in Georgia

Marked white pine stand