In order to explicitly meet biodiversity objectives established under the Landscape Unit Planning Guide (LUPG), the Ministry of Sustainable Resource Management (MSRM) and the Lillooet Timber Supply Area Association (the Association) has engaged the services of Timberline Forest Inventory Consultants Ltd. (Timberline) and Forest Ecosystems Planning (FEP) to define and delineate spatial old growth management areas (OGMAs) within the Lillooet TSA. Timberline and FEP understands the Association?s and MSRMs objective with regard to the definition of OGMAs as outlined below.
'As legislated under the Forest Practices Code (Section 4) and through the process outlined in the LUPG to identify OGMAs on the Lillooet TSA that meet or exceed existing biodiversity objectives while addressing the amount of impact on timber supply.'
This objective also meets the Lillooet Land and Resource Management Plan (LLRMP) process requirement of balancing biological sustainability, community stability, and economic security. This definition of OGMAs on the Lillooet TSA will ultimately be provided to the public and First Nations for review prior to approval of the OGMAs. Although it is a technical document for a technical audience, every effort has been made to ensure that it is self-explanatory. OGMA selection is driven by the need to conserve old growth biodiversity elements in the forest ecosystem, yet constrained by a demand to limit impacts on forest harvest. The OGMA selection system includes process, operational and ecological principles. OGMA selection is a process of compromise between these inter-conflicting principles.
Overall, the OGMA impact on the timber harvesting landbase was 4%. The timber supply impacts varied across landscape units, with Gun incurring no impact and Carpenter Lake South incurring an 8% impact on the timber harvesting landbase.