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Exercise – STOP 1: Partial Cut

Action – Using overview map of field site, describe windthrow activity.

Key points

  • point out or have participants point out any past windthrow activity in vicinity of field site
  • discuss age, location, orientation, damage extent and any observed associations with topographic, soils or stand features
  • identify if possible, the dominant direction(s) of damaging winds
  • have the participants discuss which boundary orientations if any appear to have higher/lower treatment risk.
Action – Go over field work checklist.

Key points

  • steps are summarized on checklist
  • remind participants of steps.
Action – Using block map and prescription summary, describe management objectives and 2 target stands.

Key points

  • have the participants turn to the prescription summary in their packages
  • briefly summarize the history, management objectives of the proposed block
  • summarize the target stand and proposed first harvest entry plan.
Action – Have the whole group inspect adjacent edge and calibrate the assessment. Look for trends in damage by tree type.

Key points

  • with the whole group, inspect a nearby high treatment risk cutblock boundary with similar biophysical attributes
  • go through field cards and integrate to yield biophysical hazard
  • classify existing edge damage
  • discuss whether damage is consistent with expected damage for biophysical hazard and treatment risk
  • adjust/calibrate if necessary: make sure participants are comfortable with the rationale for calibrating
  • look for trends in damage by tree type, noting: species, crown class, form, rooting medium, pathogens
Action – Have small groups inspect proposed block and complete hazard assessment cards, and consider biophysical hazard, treatment risk of proposal, expected damage, impacts of windthrow, and potential modifications to reducing treatment risk.

Key points

  • have small groups work through the cards at a representative place in proposed partial cut
  • assist them in evaluating proposed target stands and consider which treatment elements they can modify to reduce risk.
Action – Have the whole group discuss: biophysical hazard, treatment risk of proposal, expected damage, impacts of windthrow.

Key points

  • have the whole group discuss: biophysical hazard, treatment risk of proposal, expected damage, impacts of windthrow on target stand and management objectives
  • for each of the assessment items, have one small group present their findings
  • check to see if other groups agree and discuss any differences.
Action –For the proposed block, discuss with the whole group: buffering outside of unit; group size, shape, and removal sequence for group removal systems; removal level and leave tree attributes for uniform systems; salvage strategies; re-entry timing.

Key points

  • discuss with the whole group: buffering outside of unit; group size, shape, and removal sequence for group removal systems; removal level and leave tree attributes for uniform systems; salvage strategies; re-entry timing
  • have each small group present their suggested modifications
  • check to see if other groups agree and discuss any differences.

 

 
 
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Forest Renewal BC