Study name | Ecological conditionsa | Retention type | Yearsb | Wind damagec | Citation |
---|---|---|---|---|---|
Operational VR, Clayoquot Sound, BC | Hypermaritime CWH | Dispersed, Aggregated, Mixed | 1–6 | 16.5% of 1215 stems in various types Increased with percent of trees harvested; Dispersed > Aggregated | Scott and Mitchell 2005 |
STEMS 2– Campbell River, BC | Very Dry Maritime CWH | Dispersed, Aggregated, Other systems | 2 | Dispersed 40 stems/ha (5%): 24% Small aggregates (0.05 ha): 54% Thinning (64% volume removed): 18% Group selection (25% removed): 5% Patch cuts (25% removed): 6% Control (unharvested): 8% Aggregated > Dispersed | |
MASS—Campbell River, BC | Montane CWH | Dispersed, Aggregated Shelterwood | 6 | Dispersed 25 stems/ha: 29% Large aggregates (1.5 ha): 2% Shelterwood (25% basal area retained): 10% Dispersed > Aggregated | Beese 2001 |
Operational VR—Kispiox Forest District, BC | Moist Cold ICH Wet Submaritime Montane CWH | Aggregated | 12–16 | Aggregates (0.8 ha avg.): 9% Less windthrow in larger aggregates | Steventon 2011 |
Operational VR, Weyerhaeuser/Western, AM Monitoring, Coastal BC | Hypermaritime, Maritime, Montane CWH | Aggregated, Mixed | 2–5 | Small to medium aggregates (0.22 ha avg.): 37% (23–53%) Large aggregates (> 1 ha): 24% (16–45%) Less windthrow in larger aggregates | Beese et al. 2019 |