Ecological Regions: Level 1 Regions
North AmericaPhysical EnvironmentExtent of the Level I Ecological Regions of North America
EPAA map of North America shows various ecological regions, each marked with a distinct color to represent different Level 1 ecological regions.
Arctic Cordillera (Red): Found in the northernmost parts of Canada, specifically the Arctic Archipelago. Tundra (Blue): Covers large portions of northern Canada, including parts of Nunavut and the Northwest Territories, as well as coastal areas of Alaska. Taiga (Purple): Spans across central and northern Canada, covering parts of Quebec, Ontario, Manitoba, Saskatchewan, Alberta, and British Columbia. Hudson Plain (Orange): Located in the northeastern part of Canada, around the Hudson Bay area. Boreal Forests (Yellow): Encompasses large areas in Canada, south of the tundra and taiga regions, and extends into parts of Newfoundland and Labrador. Northwestern Forested Mountains (Green): Found along the western coast of Canada and the United States, covering parts of British Columbia and Alaska. Marine West Coast Forest (Brown): Occupies the coastal regions of the Pacific Northwest, including areas in British Columbia, Washington, Oregon, and northern California. Eastern Temperate Forests (Pink): Stretch from the Great Lakes region through the northeastern United States and into eastern Canada. Great Plains (Grey): Span the central United States from Canada to Texas, including parts of Alberta, Saskatchewan, Manitoba, and several central U.S. states. Deserts and Steppes (Dark Green): Found in the southwestern United States and northern Mexico, covering areas in Arizona, New Mexico, and parts of California and Nevada. Mediterranean California (Dark Pink): Specific to the coastal regions of central and southern California. Southern Semi-Arid Highlands (Gold): Located in central Mexico and parts of the southwestern United States. Temperate Sierras (Dark Brown): Found in Mexico, primarily in the Sierra Madre ranges. Tropical Dry Forests (Light Brown): Present in parts of southern Mexico and Central America. Tropical Wet Forests (Light Tan): Located in the southeastern part of Mexico and Central America, including the Yucatan Peninsula.
Arctic Cordillera | Tundra | Taiga | Hudson Plain | Boreal forests | Northwestern forested mountains | Marine west coast forest | Eastern temperate forests | Great Plains | Deserts and steppes | Mediterranean California | Southern semi-arid highlands | Temperate sierras | Tropical wet forests | Less than 1 | 1–5 | 6–10 | 11–15 | More than 15 | Value | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Alabama | 99.9% | 69.5% | 16.4% | 14.0% | Coke | |||||||||||||||
Alaska | 25.1% | 6.23% | 14.3% | 3.61% | 99.8% | Soda | ||||||||||||||
Alberta | 17.4% | 54.4% | 6.61% | 21.1% | Pop | |||||||||||||||
Arizona | 66.3% | 12.9% | 19.7% | 92.2% | 7.76% | Soda | ||||||||||||||
Arkansas | 100% | 87.2% | 12.8% | Coke | ||||||||||||||||
British Columbia | 7.72% | 4.25% | 60.9% | 6.59% | 4.95% | 2.52% | Pop | |||||||||||||
California | 26.9% | 2.89% | 29.8% | 39.7% | 99.9% | Soda | ||||||||||||||
Colorado | 38.2% | 42.1% | 2.98% | 69.4% | 30.6% | Pop | ||||||||||||||
Connecticut | 15.9% | 84.0% | 99.9% | Soda | ||||||||||||||||
Delaware | 98.4% | 99.2% | Soda | |||||||||||||||||
District of Columbia | 100% | 100% | Soda | |||||||||||||||||
Florida | 84.3% | 14.5% | 64.2% | 35.5% | Soda | |||||||||||||||
Georgia | 99.9% | 61.5% | 38.5% | Coke | ||||||||||||||||
Hawaii | 92.1% | Soda | ||||||||||||||||||
Idaho | 57.3% | 40.7% | 100% | Pop | ||||||||||||||||
Illinois | 99.9% | 70.3% | 29.6% | Pop | ||||||||||||||||
Indiana | 100% | 62.9% | 37.1% | Pop | ||||||||||||||||
Iowa | 6.36% | 93.6% | 50.0% | 50.0% | Pop | |||||||||||||||
Kansas | 99.9% | 68.1% | 31.5% | Pop | ||||||||||||||||
Kentucky | 100% | 4.42% | 60.5% | 35.1% | Coke | |||||||||||||||
Louisiana | 86.4% | 12.6% | 30.4% | 69.5% | Coke | |||||||||||||||
Maine | 44.1% | 52.2% | 40.0% | 59.8% | Soda | |||||||||||||||
Manitoba | 22.1% | 11.3% | 55.4% | 10.0% | Pop | |||||||||||||||
Maryland | 97.9% | 99.3% | Soda | |||||||||||||||||
Massachusetts | 32.4% | 63.3% | 99.5% | Soda | ||||||||||||||||
Michigan | 25.2% | 1.08% | 34.8% | 64.8% | Pop | |||||||||||||||
Minnesota | 40.6% | 24.1% | 35.2% | 23.4% | 72.5% | 4.03% | Pop | |||||||||||||
Mississippi | 99.9% | 10.9% | 74.0% | 15.1% | Coke | |||||||||||||||
Missouri | 60.6% | 39.4% | 23.4% | 62.5% | 14.1% | Soda | ||||||||||||||
Montana | 31.6% | 66.0% | 100% | Pop | ||||||||||||||||
Nebraska | 100% | 88.6% | 11.4% | Pop | ||||||||||||||||
Nevada | 99.6% | 100% | Pop | |||||||||||||||||
New Brunswick | 3.19% | 95.8% | Pop | |||||||||||||||||
New Hampshire | 82.5% | 17.5% | 1.24% | 98.7% | Soda | |||||||||||||||
New Jersey | 11.2% | 86.6% | 19.5% | 80.3% | Soda | |||||||||||||||
New Mexico | 8.59% | 32.9% | 7.36% | 1.32% | 3.54% | 90.2% | 9.71% | Coke | ||||||||||||
New York | 19.7% | 1.05% | 61.6% | 38.3% | Soda | |||||||||||||||
Newfoundland and Labrador | 5.23% | 56.9% | 22.4% | Pop | ||||||||||||||||
North Carolina | 99.2% | 99.9% | Soda | |||||||||||||||||
North Dakota | 100% | 29.5% | 70.5% | Pop | ||||||||||||||||
Northwest Territories | 3.04% | 63.7% | Pop | |||||||||||||||||
Nova Scotia | 17.5% | 6.61% | Pop | |||||||||||||||||
Nunavut | 1.96% | 1.52% | 3.41% | Other | ||||||||||||||||
Ohio | 99.9% | 3.97% | 96.0% | Pop | ||||||||||||||||
Oklahoma | 21.6% | 78.4% | 3.41% | 35.1% | 46.0% | 15.5% | Pop | |||||||||||||
Ontario | 28.1% | 64.1% | 7.08% | Pop | ||||||||||||||||
Oregon | 53.3% | 14.9% | 7.11% | 100% | Pop | |||||||||||||||
Pennsylvania | 3.06% | 79.4% | 6.15% | 93.9% | Pop | |||||||||||||||
Prince Edward Island | 89.2% | Pop | ||||||||||||||||||
Québec | 1.01% | 37.0% | 2.25% | 3.73% | 1.51% | Other | ||||||||||||||
Rhode Island | 92.1% | 99.3% | Soda | |||||||||||||||||
Saskatchewan | 8.06% | 57.8% | 33.4% | Pop | ||||||||||||||||
South Carolina | 99.7% | 99.9% | Coke | |||||||||||||||||
South Dakota | 3.94% | 96.1% | 22.1% | 76.0% | 1.85% | Pop | ||||||||||||||
Tennessee | 100% | 41.3% | 58.7% | Coke | ||||||||||||||||
Texas | 17.3% | 4.05% | 13.1% | 16.8% | 43.9% | 36.9% | 2.38% | Coke | ||||||||||||
Utah | 19.3% | 80.3% | 100% | Soda | ||||||||||||||||
Vermont | 86.9% | 13.1% | 77.1% | 22.6% | Soda | |||||||||||||||
Virginia | 99.4% | 10.3% | 89.6% | Soda | ||||||||||||||||
Washington | 44.1% | 18.2% | 34.8% | 99.9% | Pop | |||||||||||||||
West Virginia | 100% | 48.2% | 51.8% | Pop | ||||||||||||||||
Wisconsin | 31.7% | 66.5% | 1.10% | 13.1% | 53.1% | 33.7% | Soda | |||||||||||||
Wyoming | 6.11% | 27.1% | 46.4% | 87.7% | 12.3% | Pop | ||||||||||||||
Yukon | 7.08% | 38.7% | 53.4% | Pop | ||||||||||||||||