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Forest Health Conditions Report 2004: Bark Beetles and Defoliators Overview

This presentation provides insights into the forest health conditions in various regions. It covers the accomplishments of aerial overview surveys, focusing on bark beetles, defoliators, and other forest health factors. Key highlights include information on the areas surveyed, budget allocation, infestations, and specific details on bark beetle outbreaks. The report also addresses the impact of defoliators on forest mortality and growth loss, outlining the operational monitoring and treatment strategies for different pests. With a vast coverage area and budget overview, this detailed report is essential for understanding and managing forest health issues effectively.

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Forest Health Conditions Report 2004: Bark Beetles and Defoliators Overview

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  1. 2004 Forest Health Conditions Report Presentation to the Chief Forester Forest Health Committee Meeting Jan. 27, 2005 Prince George Civic Centre

  2. Outline • Aerial Overview Survey Accomplishments • Bark Beetles • Defoliators • Other Forest Health Factors

  3. Aerial Overview Survey • Surveys conducted by contract in NIFR, former Cariboo region, Nelson Region, and Coastal FR. Staff and contract in former Kamloops Region. • Area covered is approximately 81.7 million ha (~86% of the provincial land base – not all of it forested).

  4. Aerial Overview Survey • Budget: ~$700,000/yr • Includes: • Survey contractors in each region • Map preparation and digitizing • Quality monitoring and training • Annual report, web site update and web map • All data available electronically on FTP by end of Oct.; input into LRDW

  5. 2004 Overview Survey Coverage – GPS Tracks

  6. Area Infested (ha) Highlights – Bark Beetles

  7. MPB Details

  8. Former Cariboo Region

  9. Former Nelson Region

  10. Former PG Region

  11. Former Pr. Rupert Region

  12. Spruce Beetle

  13. SPRUCE BEETLE

  14. SPRUCE BEETLE – HOT SPOTS

  15. Douglas-fir Beetle

  16. Douglas-fir Beetle

  17. Defoliators

  18. Defoliators • Defoliator outbreaks can cause significant mortality and growth loss and treatment can be justified on known impacts • Operational monitoring and treatment conducted for WSBW and DFTM • ESBW and other defoliators cause damage but treatment not justified • Annual Budget: $843,000 for Btk treatments

  19. Western Hemlock Looper

  20. 2 Year Cycle Budworm

  21. Western Spruce Budworm

  22. Eastern Spruce Budworm

  23. Large Aspen Tortrix

  24. Other FHF

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