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 | Class | Rank | Metric tons | Class | Rank | Acres | Value | Class | Rank | Value | ABERDEEN | ALBANY | ALBUQUERQUE | ALTUS AFB | AMARILLO | ANDREWS AFB | ATLANTA | AUSTIN SAN ANTONIO | BALTIMORE WASHINGTON | BEALE AFB | BETHEL FAA | BILLINGS | BINGHAMTON | BIRMINGHAM | BISMARCK | BOISE | BOSTON | BROWNSVILLE | BUFFALO | BURLINGTON | CANNON AFB | CEDAR CITY | CHARLESTON | CHARLOTTE | CHEYENNE | CHICAGO MIDWAY | CHICAGO OHARE | CHICAGO | CINCINNATI | CLEVELAND | COLUMBIA | COLUMBUS AFB | COLUMBUS | CORPUS CHRISTI | COVINGTON | DALLAS FT WORTH | DALLAS LOVE FIELD | DALLAS | DAVENPORT | DAYTON | DENVER FRONT RANGE AP | DENVER | DES MOINES | DETROIT | DODGE CITY | DOVER AFB | DULUTH | DYESS AFB | EDWARDS | EGLIN AFB | EL PASO | ELKO | EUREKA | EVANSVILLE | FAIRBANKS | FLAGSTAFF | FORT CAMPBELL | FORT DRUM | FORT HOOD | FORT POLK | FORT RUCKER | FORT SMITH | FORT WAYNE | FT LAUDERDALE | GAYLORD | GLASGOW | GOODLAND | GRAND FORKS | GRAND JUNCTION | GRAND RAPIDS | GREAT FALLS | GREEN BAY | GREER | HASTINGS | HOLLOMAN AFB | HOULTON | HOUSTON HOBBY | HOUSTON INTERNATIONAL | HOUSTON | HUNTSVILLE | INDIANAPOLIS | JACKSON BRANDON | JACKSON | JACKSONVILLE | KAMUELA | KANSAS CITY | KING SALMON | KNOXVILLE | LA CROSSE | LAKE CHARLES | LANGLEY HILL NW WASHINGTON | LAS VEGAS | LAUGHLIN AFB | LINCOLN | LITTLE ROCK | LOS ANGELES | LOUISVILLE | LUBBOCK | MARQUETTE | MAXWELL AFB | MEDFORD | MELBOURNE | MEMPHIS | MIAMI | MIDLAND ODESSA | MILWAUKEE | MINNEAPOLIS | MINOT AFB | MISSOULA | MOBILE | MOLOKAI | MOODY AFB | MOREHEAD CITY | NASHVILLE | NEW ORLEANS | NEW YORK CITY | NEWARK | NOME | NORFOLK RICH | NORMAN NSSL | NORMAN WFO | NORTH PLATTE | OKLAHOMA CITY | OMAHA | ORLANDO INTERNATIONAL | PADUCAH | PENDLETON | PHILADELPHIA | PHOENIX | PITTSBURGH | POCATELLO | PORTLAND | PUEBLO | RALEIGH DURHAM | RALEIGH | RAPID CITY | RENO | RIVERTON | ROANOKE | ROBINS AFB | ROC FAA REDUNDANT RDA 1 | SACRAMENTO | SALT LAKE CITY | SAN ANGELO | SAN DIEGO | SAN FRANCISCO | SAN JOAQUIN VALLEY | SANTA ANA MOUNTAINS | SEATTLE | SHREVEPORT | SIOUX FALLS | SOUTH SHORE | SPOKANE | SPRINGFIELD | ST LOUIS | STATE COLLEGE | STERLING | TALLAHASSEE | TAMPA | TOPEKA | TUCSON | TULSA | VANCE AFB | VANDENBERG AFB | WASHINGTON DULLES | WASHINGTON NATIONAL | WEST PALM BEACH | WICHITA | WILMINGTON | YUMA | |
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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% | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 |