Biogeoclimatic Unit Definitions

Zonal Classification Example

Zone Classification GIF

Zone Definitions

Abbreviation	Zone (Click to see map) (Click here for BC map)
AT BG BWBS CDF CWH ESSF ICH IDF MH MS PP SBPS SBS SWB	Alpine Tundra Bunchgrass Boreal White and Black Spruce Coastal Douglas-fir Coastal Western Hemlock Engelmann Spruce -- Subalpine Fir Interior Cedar -- Hemlock Interior Douglas-fir Mountain Hemlock Montane Spruce Ponderosa Pine Sub-Boreal Pine -- Spruce Sub-Boreal Spruce Spruce -- Willow -- Birch

SubZone Definitions

1st Letter	SubZone	2nd Letter
1st Letter	SubZone	Interior Zones	SubZone	Coastal Zones	SubZone
x d m w v	very dry (xeric) dry moist wet very wet	h w m k c v	hot warm mild cool cold very cold	h m s	hypermaritime maritime submaritime

Variant Definition

Variants reflect further differences in regional climate and are generally recognized for areas that are slightly drier, wetter, snowier, warmer, or colder than other areas in the subzone.

Variants are numbered from south to north.

For More Information Refer To:

__________. 1991. Ecosystems of British Columbia. Special Report Series 6. Meidinger, D. and J. Pojar (editors). B.C. Min. For., Victoria, B.C.