The
Taiga biome includes the forests of the cold climates of high latitudes and
high altitudes, covering approximately 11
% of the Earth’s land. Taiga forests are dominated by conifers, especially spruces,
firs, and larches, and certain kinds of pines. Aspens and birches
are important flowering trees.
Boreal forests are characterized by dense stands of relatively small trees, typically under 30 m,
which form dense shade and making walk difficult. Although cover very large
areas, relatively few important species of trees occur in taiga. There are only
about 20 major tree species in North American boreal forests, for example.
Boreal forests are among the most economically important biomes as they are the source of much lumber
and paper pulp.
The
dominant animals of boreal forests
include a few large mammals (moose, deer, wolves, and bears), small rodents
(squirrels and rabbits), small carnivores (foxes), many insects, and migratory
birds, especially water fowl and carnivorous land birds, such as owls and
eagles.
Disturbances—particularly
fires, storms, and outbreaks of insects—are common in the boreal forests.
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