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Timber Supply Impacts of Mountain Pine Beetle (MPB) in British Columbia, Canada

This article provides an overview of the impact of the Mountain Pine Beetle on timber supply in British Columbia, Canada. It discusses the extent of the damage, projected timber supply levels, and strategies for managing and mitigating the effects.

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Timber Supply Impacts of Mountain Pine Beetle (MPB) in British Columbia, Canada

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  1. Timber Supply Impactsof Mountain Pine Beetle (MPB)in British Columbia, Canada Western Forest Economists May 8th, 2007

  2. Frequently asked questions • How long will the uplift last? • What will be left over afterwards? • What can we do?

  3. Overview • BC in a nutshell • MPB in a nutshell • Timber Supply impacts

  4. BC in a nutshell • 92% crown land • Timber Supply Areas • volume based tenures • Multiple licensees • AAC set by Chief forester and apportioned by Regional Manager • Tree farm licenses • Area based tenure • One licensee • Uplift goes to licensee • Licensee harvesting stands have silviculture obligation

  5. Forests for Tomorrow (FFT) FFT objectives are to improve future timber supply and address risk to other forest values through the reestablishment of young forests on land that would otherwise remain under productive Long term annual budget of $53.9 million

  6. Mountain Pine Beetle • Forest Health Overview • Description • Classification • MPB Projections: • Description • Severity maps 2006 - 2015 • Modelling timber impact: • MPB analysis assumptions

  7. Forest Health Overview • General strategic level survey • Fixed wing aircraft traveling at 70-80 knots from 1,500 – 3,000 ft • 1:100,000 imagery • Forest health – not specific to MPB

  8. Light Moderate Severe FHOSeverity Classification

  9. MoFR MPB Projections • Projected and calibrated to Forest Health Overview since 1999 • Raster based stochastic modelling in SELES • Two 400X400 grids for each year: • % pine affected by MPB • %of stand that is pine

  10. Natural versus Managed • Two growth and yield models used in timber supply review for BC • TIPSY for managed ands VDYP for natural • Harvested or treated stands are modelled as managed • Harvested stands are considered managed • Unharvested heavily infested stands are killed off and modelled as natural with 15 year regen delay

  11. Shelf Life • Wood quality - Recent research shows a 2 year shelf life for saw logs • How long can licensees afford to harvest these stands? • Depends on products, market conditions, regulations etc

  12. How long will the uplift last?

  13. Salvage years MPB Affected Volume Harvest Cap Harvested Shelf Life FFT No Harvest MPB Spread

  14. What will be left afterwards?

  15. MPB Affected Volume Harvest Level (m3/year) Long term harvest level Remaining Mature Volume Decades

  16. What can we do about it?

  17. Sample Timber Supply

  18. Opportunity to make a difference

  19. Different Story

  20. Thank You Kelly Sherman.RPF Branch Manager/Resource Analyst Timberline Natural Resource Group Kelowna British Columbia,Canada Kelly.Sherman@Timberline.ca Phone: 250-762-3191

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