Quesnel Highland Alternative Silvicultural Systems (EP 1104.02)

Last updated on August 22, 2023
Trial name: Group selection systems for high elevation forests (ESSFwc3) to maintain caribou habitat in the Cariboo Region (EP1104.02) (aka Quesnel Highland Alternative Silvicultural Systems)
Trial objectives Installation name Ecosystems represented Tree species Silvicultural systems tested Post establishment treatments
  • Maintain mountain caribou habitat and old growth characteristics in managed forests (lichen response)
  • Measure tree regeneration and growth response (planted stock and natural regeneration)
  • Measure the vegetation development
  • Measure stand structure and stability
  • Monitor microclimate
  • Document the incidence of forest health problems in group selection 
  • Measure  snow accumulation and melt, 
  • Measure wildlife response  (caribou, small mammal and bird populations)
Quesnel Highland Alternative Silvicultural Systems ESSFwc3
  • Engelmann spruce
  • Subalpine fir
  • Clearcut
  • Group selection with 0.03ha to 1.0ha openings
  • 3 phases of project development:
  • Pilot block
  • Replicated trial
  • Adaptive management trial (aka Mount Tom)
  • The group selection treatments based on opening size
  • Planted stock studies: microsites (mounding, stump, rotten wood)
  • Vegetation, microclimate and planted stock- distance from opening / forest edge
Comments: Two of the four blocks in the replicated experiment burned in the 2017 fires, leaving 2 replicates. The Mt. Tom adaptive management installation is the focus of current work.


Publication Topic Publications
General Overview
Regeneration – planted and natural
  • Small mammal response
  • Wildlife diversity
  • Arboreal lichens
  • Stand stability
Stand structure
  • Logging costs
  • Damage to residual trees
  • Sambo, S.M. 2003. Using a group selection silvicultural system to maintain caribou habitat in southern British Columbia. FERIC Advantage Rep. 4(4):1–5.