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 | Iron Ore Mines | Class | Rank | Percent | Class | Rank | Years | Alabama, United States of America | Alaska, United States of America | Alberta, Canada | Arizona, United States of America | Arkansas, United States of America | British Columbia, Canada | California, United States of America | Colorado, United States of America | Connecticut, United States of America | Delaware, United States of America | District of Columbia, United States of America | Florida, United States of America | Georgia, United States of America | Hawaii, United States of America | Idaho, United States of America | Illinois, United States of America | Indiana, United States of America | Iowa, United States of America | Kansas, United States of America | Kentucky, United States of America | Kiribati, Kiribati | Louisiana, United States of America | Maine, United States of America | Manitoba, Canada | Marquesas Islands, French Polynesia | Maryland, United States of America | Massachusetts, United States of America | Michigan, United States of America | Minnesota, United States of America | Mississippi, United States of America | Missouri, United States of America | Montana, United States of America | Nebraska, United States of America | Nevada, United States of America | New Brunswick, Canada | New Hampshire, United States of America | New Jersey, United States of America | New Mexico, United States of America | New York, United States of America | Newfoundland and Labrador, Canada | North Carolina, United States of America | North Dakota, United States of America | Northwest Territories, Canada | Nova Scotia, Canada | Nunavut, Canada | Ohio, United States of America | Oklahoma, United States of America | Ontario, Canada | Oregon, United States of America | Pennsylvania, United States of America | Prince Edward Island, Canada | Québec, Canada | Rhode Island, United States of America | Saskatchewan, Canada | South Carolina, United States of America | South Dakota, United States of America | Tennessee, United States of America | Texas, United States of America | Utah, United States of America | Vermont, United States of America | Virginia, United States of America | Washington, United States of America | West Virginia, United States of America | Wisconsin, United States of America | Wyoming, United States of America | Yukon, Canada | |
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1.96% | 6.84% | 22.1% | 11.9% | 32.1% | 29.3% | 5.59% | 34.8% | 38.2% | 26.9% | 39.7% | 6.89% | 11.3% | 14.5% | 3.6 | 46.6% | 67.2% | 99.9% | 99.9% | 53.2% | 96.8% | 99.7% | 99.5% | 82.5% | 16.8% | 91.4% | 98.2% | 40.5% | 90.3% | 54.1% | 30.9% | 48.2% | 45.8% | 43.9% | 15.5% | 2.03% | 48.2% | 45.7% | 99.9% | 4.13% | 26.2% | 57.0% | 99.9% | 60.6% | 32.3% | 54.4% | 64.7% | 27.8% | 99.9% | 46.7% | 34.6% | 98.5% | 99.9% | 83.0% | 20.5% | 53.0% | 32.6% | 75.1% | 97.2% | 97.9% | 39.9% | 99.9% | 83.0% | 57.6% | 82.6% | 93.5% | 72.9% | 10.9% | 100% | 34.6% | 31.2% | 45.6% | 78.1% | 100% | 50.4% | 32.4% | 99.2% | 21.0% | 99.8% | 99.6% | 99.9% |