Biogeoclimatic zones of British Columbia information
Classification system for climatic ecosystems
The biogeoclimatic zones of British Columbia are units of a classification system used by the British Columbia Ministry of Forests for the Canadian province's fourteen different broad, climatic ecosystems. The classification system, termed Biogeoclimatic Ecosystem Classification, exists independently of other ecoregion systems, one created by the World Wildlife Fund and the other in use by Environment Canada, which is based on one created by the Commission for Environmental Cooperation (CEC) and also in use by the US Environmental Protection Agency (EPA). The system of biogeoclimatic ecosystem classification was partly created for the purpose of managing forestry resources, but is also in use by the British Columbia Ministry of Environment and Climate Change Strategy and other provincial agencies. A biogeoclimatic zone is defined as "a geographic area having similar patterns of energy flow, vegetation and soils as a result of a broadly homogenous macroclimate."[1][2]
All zones are officially abbreviated in capital letters (AT for Alpine Tundra, BWBS for Boreal White and Black Spruce, and so on). Subzones, which are divisions of zones based on more regional climates, have their connotative codes in lower case with the first letter denoting relative moistness and the second relative temperature; thus the northeastern BWBS with its warm thundery summers has been mapped as BWBSmw for "moist warm" while the Alsek Ranges subzone in the northwestern panhandle, stormy in all seasons with winds blowing from glaciers, is BWBSvk for "very wet cool." Subzones may be divided into variants, each of which is denoted by a number. For example, the numerous variants of the Interior Cedar—Hemlock moist warm subzone are designated as ICHmw1, ICHmw2, etc. A variant may be divided into phases, such as ICHmc1a, the amabilis fir phase of the Interior Cedar—Hemlock moist cold subzone.
The biogeoclimatic zones of British Columbia are:
^Mongabay.com Biogeoclimatic zone page, quoting BC MoF
^Glossary of Forestry Terms in British Columbia, Ministry of Forests and Range, Government of British Columbia
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