It is almost dogma that the boreal forest in North America is a
fire-dependent forest, yet ecologists often do not consider in any
technical detail how forest fires produce effects on individual
plants and on plant populations. Consequently, the causal
connection between the behaviour of fire and its ecological
consequences is poorly understood. This book sets out to correct
this deficiency by assembling the relevant studies of fire
intensity, rate of spread, fuel consumption, fire frequency and
fire weather in the North American boreal forest. The central
thesis is that the North American boreal forest has at least four
wildfire characteristics that are important in understanding the
dynamics of its plant populations: the large size of the burns with
respect to dispersal distances, the short recurrence time of fire
with respect to tree lifespans, the high mortality of plants due to
the predominance of crown fires, and a good germination surface due
to the large area of the forest floor which is covered by ash.
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