Within 2 km of interface BEC Zone – CWH dm ss1 Somewhat rich site Concern that the climate envelope of this part of the CWH may become more warm and dry The Standard BCG Zone Suitable Species Proposed Stocking Silviculture Target Min Min Max Max Regen Min Ht (m) MITD (m) Comp Ratio (%) Standard Species System (sph) P PA Density Basal Delay (sph) (sph) (sph)2 Area (yrs) Primary Secondary Tertiary Broadleaf Fire Preferred Acceptable (m2) Management (P) (A) Appropriate1 CWH - Fd Hw Pw, Cw Act, Dr, Py, Lw Fd, Hw, Cw Clear Cut 900 400 500 3 Fd/Hw – 3.0 2 150 Current FDP Ep, Mb, Pw – 2.5 Standard Ra others – 1.5 CWH - Fire Fd, Pw Cw, Py, Clear Cut 900 600 700 1000 2 Fw/Hw – 3.0 2 100 Management Lw, Hw Pw – 2.5 Standard Cw/Lw – 1.5 Py – 0.6 1 – Fire management appropriate suitable species are additional species ecologically adapted to the site that do not generally maximize timber production which may be used as part of the fire management stocking standard. 2 - Represents the total density of conifers greater than 50 % of the specified minimum tree height for the primary species with the highest minimum tree height. The Rationale Fd , Pw are both fire resistant and Pw reduces canopy bulk density Fd, Pw are complementary – similar growth potential suited to drier conditions Use high genetic gain stock to reduce rust, suppress ingrowth and bracken fern Relax competition ratio to allow some broadleaf species if they occur which would reduce fire behaviour Reduce regen delay for fast site occupancy reducing competition and hazard Density and MITD should be high and low enough respectively for ingrowth/understory suppression and crown base height lift to free growing at age 20 May still be a period of 2 or 3 years of hazard as trees establish and grow – crown closure by age 6 at the earliest This density (900/ha) at free growing may be carried through to harvest Plant 1200 to account for mortality Maximum density to be 1000/ha where trees that contribute to maximum are either dominant or codominant
Within 2 km of interface BEC Zone – CWH dm ss1 Somewhat rich site Concern that the climate envelope of this part of the CWH may become more warm and dry The Standard BCG Zone Suitable Species Proposed Stocking Standard Species Silviculture System Target (sph) Min P (sph) Min PA (sph) Max Density (sph)2 Max Basal Area (m2) Regen Delay (yrs) Min Ht (m) MITD (m) Comp Ratio (%) Primary Secondary Tertiary Broadleaf Fire Management Appropriate1 Preferred (P) Acceptable (A) CWH - Current FDP Standard Fd Hw Pw, Cw Act, Dr, Ep, Mb, Ra Py, Lw Fd, Hw, Cw Clear Cut 900 400 500 3 Fd/Hw – 3.0 Pw – 2.5 others – 1.5 2 150 CWH - Fire Management Standard Fd, Pw Cw, Py, Lw, Hw Clear Cut 900 600 700 1000 2 Fw/Hw – 3.0 Pw – 2.5 Cw/Lw – 1.5 Py – 0.6 2 100 1 – Fire management appropriate suitable species are additional species ecologically adapted to the site that do not generally maximize timber production which may be used as part of the fire management stocking standard. 2 - Represents the total density of conifers greater than 50 % of the specified minimum tree height for the primary species with the highest minimum tree height. The Rationale Fd , Pw are both fire resistant and Pw reduces canopy bulk density Fd, Pw are complementary – similar growth potential suited to drier conditions Use high genetic gain stock to reduce rust, suppress ingrowth and bracken fern Relax competition ratio to allow some broadleaf species if they occur which would reduce fire behaviour Reduce regen delay for fast site occupancy reducing competition and hazard Density and MITD should be high and low enough respectively for ingrowth/understory suppression and crown base height lift to free growing at age 20 May still be a period of 2 or 3 years of hazard as trees establish and grow – crown closure by age 6 at the earliest This density (900/ha) at free growing may be carried through to harvest Plant 1200 to account for mortality Maximum density to be 1000/ha where trees that contribute to maximum are either dominant or codominant
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