Lillooet, AAC Rationale

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- minimum harvestable ages

Minimum harvestable age is the age at which forest stands reach a harvestable condition. In the BCFS base case, the minimum harvestable ages are estimated to be 80 years for lodgepole pine and 120 years for all other species. District staff have subsequently examined harvest ages and indicate that current practice involves cutting below these minimum harvestable ages, and that this may in part be in response to the several deferrals and delays (discussed later) in the TSA. This practice suggests that minimum harvestable ages are lower than assumed in the base case. Sensitivity analysis shows that reducing minimum harvestable ages by 10 years allows extension of the initial harvest level in the base case for another decade (i.e. from 3 to 4 decades). Therefore this factor represents a slight increase in the timber supply from that projected in the base case and I have accounted for this in "Reasons for decision".

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