This description is painting with a wide brush across many different western tree species.
A douglasfir forest that burns is going to behave much differently than a late-successional hemlock one.
A douglasfir forest that burns is going to behave much differently than a late-successional hemlock one.
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Douglas-fir trees have very thick, insulative bark that prevents the live tissue from dying as readily when there's fire. Sequoia trees have cones that are glued shut by resins that only melt after a hot-enough fire, so they can then land and germinate in burnt-over ground.