Black spruce: Wildfires threaten common North American tree species

The black spruce is a standard species in North American boreal forests and it wants wildfires to outlive, however the blazes are actually so frequent that the spruces are struggling


25 October 2021

Boreal forest with black spruce

A boreal forest with black spruce and blended hardwood timber in Algonquin Provincial Park, Canada

Orchidpoet/Getty Photographs

For millennia, black spruces (Picea mariana) have been a standard presence throughout Arctic forests in North America, however they’re now being threatened by extra frequent and extreme wildfires.

Like many different timber in these forests, the spruce – an evergreen conifer – is determined by hearth for regeneration. As hearth strikes throughout the panorama, the timber’ cones, that are coated in a waxy coat, warmth up and slowly open to launch their seeds onto the brand new seedbed.

However …

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