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Abstract

Climatic criteria: At the most 3 month with an average temperature above 10o C.
Long cold winters and short, relatively warm summers.
Vegetation Dense coniferous forest. Spruce and fir dominate the forests of
Distribuion: North America, northern Europe and western Siberia, while larch is
common in the forests of central and eastern Siberia.
Distribution Northern part of North America and Eurasia.

(FAO, FRA 2000- Pag.- 29)

Ecozone

The Boreal, or subarctic, domain is found only in the higher latitudes of the Northern
Hemisphere between 50-55 to 65-70 degrees. It has at least one and up to 4 month with an
average temperature above 10o C. Another feature is the large annual range of temperature.
Rainfall is low, generally below 500 mm. The northern boundary, approximately the isotherm
of 10oC for the warmest month (usually July), coincides rather well with the poleward limit
of tree growth. The Russians have given the name taiga to the subarctic lands of Eurasia with
their extensive coniferous forests and this term is also applied to the comparable region in
North America.

 

Name Boreal coniferous forest
Code Ba
Climatic criteria At the most 3 month with an average temperature above 10o C.
Long cold winters and short, relatively warm summers.
Vegetation Dense coniferous forest. Spruce and fir dominate the forests of
North America, northern Europe and western Siberia, while larch is
common in the forests of central and eastern Siberia.
Distribution Northern part of North America and Eurasia.

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