Alternate Definitions for Boreal zone

include archived terms
Term: Boreal zone
Definition: 1.Defined by W. Köppen (1931) as the zone having a definite winter with snow, and a short summer, generally hot. It includes a large part of North America between the Arctic Zone and about 40N, extending to 35N in the interior. In Central Europe and in Asia the boreal zone extends southward from the tundra to 40-50N. 2.A biogeographical zone or region characterized by a northern type of fauna or flora. The term boreal region is used mainly by American biologists, and includes the area between the mean summer isotherm of 18C or 64.4F (roughly 45N latitude) and the Arctic Zone.
Created 2022.03.08
Last Modified 2023.03.27
Contributed by GCW Glossary
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