Module 3 — Stand level components
of biodiversity
British Columbia
Ministry of Forests
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Module 3, Part B — Wildlife trees — continued

   
Table 1-A. Percentage area required as wildlife tree patches when landscape units have been designated and landscape level biodiversity objectives have been established 1
% of the area available for harvesting in the biogeoclimatic subzone that has already been harvested without recommended wildlife tree or equivalent retention % of the biogeoclimatic subzone within the landscape unit available for harvest

90

70

50

30

10

10 7 5 3 1 0
30 9 7 5 3 1
50 11 9 7 5 3
70 13 11 9 7 5
90 15 13 11 9 7
Note: The table axes refer to the area of the landscape unit.
1  If leave areas adjacent to or outside of the block meet the required inter-patch distances and recommended patch area and composition requirements, then WTPs are not required inside the cutblock. However, these adjacent areas should be mapped and included in the silviculture prescription for tracking purposes.
 
Table 1-B. Percentage area required as wildlife tree patches
when landscape units have not been designated
% of the area2 available for harvesting in the biogeoclimatic subzone that has already been harvested without recommended wildlife tree or equivalent retention % of the biogeoclimatic subzone within the landscape unit available for harvest

90

70

50

30

10

10 10 8 6 4 3
30 12 10 8 6 4
50 14 12 10 8 6
70 16 14 12 10 8
90 18 16 14 12 10
2  Since no landscape unit objectives have been established, the area refers to the area of an interim landscape unit or a portion of a forest development plan that forms a contiguous geographic unit..


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