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Chart of Major Grassland Ecosystems

Major Grassland Ecosystems in British Columbia.
As used in The Grasslands of British Columbia.

Grassland Region

Area (ha)

Ecoprovince

Ecoregion

Major Ecosection

Major BEC Zones

East Kootenay Trench

45,000

Southern Interior Mountains

Southern Rocky Mountain Trench

East Kootenay Trench

PonderosaPine Zone

Interior Douglas Fir Zone

Montane Spruce Zone 

Okanagan

480,000

Southern Interior

Northern Cascade Ranges

Thompson-Okanagan Plateau

Okanagan Highland

Southern Okanagan Basin

Southern Okanagan Highlands

Northern Okanagan Basin

Northern Okanagan Highlands

Bunchgrass Zone

Ponderosa Pine Zone

Interior Douglas-Fir Zone

Ponderosa Pine Zone

Interior Douglas-Fir Zone

Bunchgrass Zone

Ponderosa Pine Zone

Interior Douglas-Fir Zone

Bunchgrass Zone

Ponderosa Pine Zone

Interior Douglas-Fir Zone

Ponderosa Pine Zone

Interior Douglas-fir Zone

Thompson-Pavilion

144,000

Southern Interior

Thompson-Okanagan Plateau

Interior Transition Ranges 

Thompson Basin

Pavilion Ranges 

Bunchgrass Zone

Ponderosa Pine Zone

Interior Douglas-Fir Zone

Bunchgrass Zone

Ponderosa Pine Zone

Interior Douglas-Fir Zone

Southern Thompson Upland

134,325

Southern Interior

Thompson-Okanagan Plateau

Southern Thompson Upland

Bunchgrass Zone

Ponderosa Pine Zone

Interior Douglas-Fir Zone

Montane Spruce Zone

Cariboo-Chilcotin and Central Interior

230,000

Central Interior

Chilcotin Ranges

Fraser River Plateau 

Central Chilcotin Ranges

Western Chilcotin Ranges

Chilcotin Plateau

Fraser River Basin

Cariboo Basin

Bulkley Basin

Interior Douglas-Fir Zone

Montane Spruce Zone

Interior Douglas-Fir Zone

Interior Douglas-Fir Zone

Montane Spruce Zone

Engelmann Spruce-Sub-alpine Fir Zone

Sub-boreal Pine-Spruce Zone

Bunchgrass Zone

Interior Douglas-Fir Zone

Sub-boreal Spruce Zone

Sub-boreal Spruce Zone

Sub Boreal Interior and Northern Boreal Mountains

10,380

49,400

Sub-Boreal Interior

Northern Boreal Moutains

Central Canadian Rocky Mountains

Northern Canadian Rocky Mountains

Liard Basin

Peace Foothills

Misinchinka
Ranges

Muskwa Foothills

Eastern Muskwa Ranges

Hyland Highland

Liard Plain

Engelmann Spruce-Sub-alpine Fir Zone

Boreal White and Black Spruce Zone

Engelmann Spruce-Sub-alpine Fir Zone

Spruce-Willow-Birch Zone

Boreal White and Black Spruce Zone

Boreal and Taiga Plains

15,160

3,360

Boreal Plains

Taiga Plains 

Peace River Basin

Central Alberta Uplands

Southern Alberta Uplands

Muskwa Plateau 

Peace Lowland

Halfway Plateau

Kistatinaw Plateau

Clear Hills

Muskwa Plateau

Boreal White and Black Spruce Zone

Georgia Depression

2,400

Georgia Depression

Georgia-Puget Basin

Nanaimo Lowland

Southern Gulf Island

Coastal Douglas Fir Zone