A3 evidence
Fire-induced
tree mortality across
LTEP stands
Fire damage to Douglas-fir trees as measured by
bole char, scorch, and canopy loss (data courtesy of Crystal Raymond).
Late (thin), underburned
Control
Late (thin),
lo-wood
Douglas-fir, lo-wood & hi-wood
Late (thin),
hi-wood
Pioneer,
hi-wood
Pioneer,
lo-wood,
Pioneer, lo-wood & hi-wood
Backburn in other stands
Wildfire in young stands
Wildfire in mature stands
0%
20%
40%
60%
80%
100%
Bole char only
Severe scorch
Crown consumed
Mild scorch
Crown consumed
Crown consumed
Crown consumed
Severe scorch
Crowns of Douglas-fir saplings in young
5-yr-old
stands (both Pioneer and Douglas-fir treatments) were all consumed.
The thinned Late-succession, under-burned stand had the lowest scorch of the wildfire-burned stands.
The Control stands had intermediate char and scorch.
Initial results: