management of reserve stands is generally prohibited.
One option for lessening the ®re risk to reserve stands
is to decrease ®re risk at the landscape-scale. Silvicultural
treatments could be limited to neighboring
stands or applied more widely across the landscape.
In this paper, we evaluate the effectiveness of
differing landscape-scale silvicultural regimes in mitigating
®re risk for both the entire landscape and
several ®re-susceptible late-successional reserve
stands. Seven landscape-scale silvicultural regimes
ranging from no treatment to intensive thinning with
prescribed burning are simulated for ®ve decades. We
use an individual tree, distance-independent growth
model to project future stand conditions and mimic
silvicultural manipulations. Projected stand conditions
are evaluated using a ®re-risk model developed
for the eastern slopes of the Washington Cascade
Range, USA. The ®re-risk model incorporates equations
that evaluate the potential for crown-®re ignition
and crown ®re spread based on forest stand conditions.