Ecosystems - Roadless Areas Explorer

Ecosystem Directory

344 ecosystems

Name	Life Form	G-Rank	Areas	Hectares
Klamath Mountains Dry Serpentine Savanna	Shrub	GNR	22	22,458
Northeastern Mountain Spruce-Fir Forest	Tree	GNR	22	55,717
Northeastern North American Temperate Forest Plantation	Tree		22	1,529
Western Great Plains Badlands	Sparse		22	11,581
Saguaro Cactus and Palo Verde Desert	Shrub	GNR	21	27,774
Appalachian Spruce-Fir Forest	Tree	GNR	19	12,401
Great Plains Wooded Draw and Ravine	Tree	GNR	19	12,192
Klamath-Siskiyou Cliff and Outcrop	Sparse		19	2,874
Northeastern Calcareous Oak Forest	Tree	GNR	19	1,332
Ozark-Ouachita Shortleaf Pine-Oak Forest	Tree	GNR	19	7,352
Southern Vancouverian Lowland Ruderal Shrubland	Shrub		19	2,668
New England Low-Elevation Spruce-Fir Forest	Tree	GNR	18	1,902
Ozark-Ouachita Shortleaf Pine-Oak Forest	Tree	GNR	18	3,716
Inter-Mountain Basins Shale Badland	Sparse		17	3,589
North Pacific Active Volcanic Rock and Cinder Land	Sparse		17	8,000
Northern Great Plains Streamside Habitat	Tree	GNR	17	1,330
Ozark-Ouachita Dry Oak Woodland	Tree	GNR	17	3,510
Southeastern Native Ruderal Forest	Tree		17	1,739
Warm Desert Mountain Streamside Woodland	Tree	GNR	17	2,081
Black Hills Ponderosa Pine Woodland and Savanna	Tree	GNR	16	15,617
California Foothill Black Oak and Conifer Forest	Tree	GNR	16	1,606
Mojave Creosote Desert	Shrub	GNR	16	6,087
Western Great Plains Shortgrass Prairie	Herb	G3	16	2,562
California Foothill Blue Oak Woodland	Tree	GNR	15	2,523
California Valley and Coastal Grassland	Herb	GNR	15	1,568
Great Lakes Jack Pine-Red Pine Forest	Tree	GNR	15	777
Great Lakes Pine-Hemlock-Hardwood Forest	Tree	GNR	15	1,190
Interior Western North American Temperate Ruderal Shrubland	Shrub		15	2,090
Northern Rockies Western Larch Savanna	Tree	GNR	15	2,711
Colorado Plateau Low Sagebrush Shrubland	Shrub	GNR	14	2,566
Great Lakes Pine-Hemlock-Hardwood Forest	Tree	GNR	14	609
Pacific Northwest Alpine Shrubland and Meadow	Shrub	GNR	14	4,571
Pacific Northwest Avalanche Chute Shrubland	Shrub	GNR	14	1,335
Pacific Northwest Sitka Spruce Forest	Tree	GNR	14	3,098
Upper Sonoran Desert Scrub	Shrub	GNR	14	2,623
New England Low-Elevation Spruce-Fir Forest	Tree	GNR	13	1,506
North American Warm Desert Ruderal & Planted Grassland	Herb		13	2,231
Pacific Northwest Wooded Lava Flow	Tree	GNR	13	10,067
Appalachian Hemlock and Northern Hardwood Forest	Tree	GNR	12	1,588
Northern Rockies Avalanche Chute Shrubland	Shrub	GNR	12	4,642
Pacific Northwest Lowland Mixed Hardwood-Conifer Forest	Tree	GNR	12	1,126
Rocky Mountain Alpine Rocky Terrain	Herb	GNR	12	2,066
Western Great Plains Cliff and Outcrop	Sparse		12	2,105
California Foothill Black Oak and Conifer Forest	Tree	GNR	11	986
Colorado Plateau Pinyon-Juniper Shrubland	Shrub	GNR	11	3,621
Great Lakes Northern Pine-Oak Forest	Tree	GNR	11	470
Intermountain Saltbush Flats	Shrub	GNR	11	1,764
Northern & Central Ruderal Meadow	Herb		11	8,016
Ozark-Ouachita Shortleaf Pine-Oak Forest	Tree	GNR	11	742
California Foothill Streamside Woodland	Shrub	GNR	10	1,177