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 | Christians | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Alaska | 25.1% | 6.23% | 14.3% | 3.61% | 98.6% | ||||||||||
Arizona | 66.3% | 12.9% | 19.7% | 100% | |||||||||||
Utah | 19.3% | 80.3% | 100% | ||||||||||||
Yukon | 7.08% | 38.7% | 53.4% | 100% | |||||||||||
Northwest Territories | 3.04% | 63.7% | 99.4% | ||||||||||||
District of Columbia | 100% | 100% | |||||||||||||
Florida | 84.3% | 14.5% | 98.8% | ||||||||||||
Idaho | 57.3% | 40.7% | 100% | ||||||||||||
New Hampshire | 82.5% | 17.5% | 100% | ||||||||||||
Rhode Island | 92.1% | 92.1% | |||||||||||||
Vermont | 86.9% | 13.1% | 100% | ||||||||||||
Washington | 44.1% | 18.2% | 34.8% | 99.0% | |||||||||||
Wyoming | 6.11% | 27.1% | 46.4% | 100% | |||||||||||
Nunavut | 1.96% | 1.52% | 3.41% | 98.0% | |||||||||||
Montana | 31.6% | 66.0% | 100% | ||||||||||||
Maine | 44.1% | 52.2% | 99.1% | ||||||||||||
North Dakota | 100% | 100% | |||||||||||||
Kentucky | 100% | 100% | |||||||||||||
Nova Scotia | 17.5% | 6.61% | 95.8% | ||||||||||||
Virginia | 99.4% | 99.4% | |||||||||||||
Delaware | 98.4% | 98.5% | |||||||||||||
Prince Edward Island | 89.2% | 94.0% | |||||||||||||
Saskatchewan | 8.06% | 57.8% | 33.4% | 100% | |||||||||||
Mississippi | 99.9% | 99.9% | |||||||||||||
West Virginia | 100% | 100% | |||||||||||||
Nebraska | 100% | 100% | |||||||||||||
Texas | 17.3% | 4.05% | 13.1% | 99.8% | |||||||||||
Missouri | 60.6% | 39.4% | 100% | ||||||||||||
Louisiana | 86.4% | 12.6% | 98.9% | ||||||||||||
Hawaii | 80.9% | ||||||||||||||
North Carolina | 99.2% | 99.2% | |||||||||||||
Oregon | 53.3% | 14.9% | 7.11% | 99.9% | |||||||||||
New Brunswick | 3.19% | 95.8% | 99.1% | ||||||||||||
Alabama | 99.9% | 99.9% | |||||||||||||
New Mexico | 8.59% | 32.9% | 7.36% | 1.32% | 3.54% | 100% | |||||||||
Kansas | 99.9% | 100% | |||||||||||||
Wisconsin | 31.7% | 66.5% | 1.10% | 100% | |||||||||||
British Columbia | 7.72% | 4.25% | 60.9% | 6.59% | 4.95% | 99.4% | |||||||||
Newfoundland and Labrador | 5.23% | 56.9% | 22.4% | 98.7% | |||||||||||
New Jersey | 11.2% | 86.6% | 97.9% | ||||||||||||
South Carolina | 99.7% | 99.7% | |||||||||||||
Michigan | 25.2% | 1.08% | 100% | ||||||||||||
Alberta | 17.4% | 54.4% | 6.61% | 21.1% | 100% | ||||||||||
Connecticut | 15.9% | 84.0% | 100% | ||||||||||||
Pennsylvania | 3.06% | 79.4% | 100% | ||||||||||||
Colorado | 38.2% | 42.1% | 2.98% | 100% | |||||||||||
Nevada | 99.6% | 100% | |||||||||||||
Massachusetts | 32.4% | 63.3% | 95.6% | ||||||||||||
Georgia | 99.9% | 99.9% | |||||||||||||
New York | 19.7% | 1.05% | 99.3% | ||||||||||||
Maryland | 97.9% | 97.3% | |||||||||||||
Québec | 1.01% | 37.0% | 2.25% | 3.73% | 1.51% | 99.7% | |||||||||
Manitoba | 22.1% | 11.3% | 55.4% | 10.0% | 99.9% | ||||||||||
Oklahoma | 21.6% | 78.4% | 100% | ||||||||||||
Tennessee | 100% | 100% | |||||||||||||
Ontario | 28.1% | 64.1% | 7.08% | 99.9% | |||||||||||
California | 26.9% | 2.89% | 29.8% | 39.7% | 99.7% | ||||||||||
Arkansas | 100% | 100% | |||||||||||||
South Dakota | 3.94% | 96.1% | 100% | ||||||||||||
Ohio | 99.9% | 100% | |||||||||||||
Indiana | 100% | 100% | |||||||||||||
Minnesota | 40.6% | 24.1% | 35.2% | 100% | |||||||||||
Iowa | 6.36% | 93.6% | 100% | ||||||||||||
Illinois | 99.9% | 100% | |||||||||||||