Ecosystems - Roadless Areas Explorer

Ecosystem Directory

344 ecosystems

Name	Life Form	G-Rank	Areas	Hectares
Apache-Chihuahuan Desert Grassland	Herb	GNR	48	15,349
Central Appalachian Rocky Pine-Oak Woodland	Tree	GNR	46	8,028
Northern California Coastal Scrub	Shrub	GNR	46	19,424
Rocky Mountain Limber and Bristlecone Pine Woodland	Tree	GNR	46	7,140
Central Appalachian Rocky Pine-Oak Woodland	Tree	GNR	45	3,913
Klamath Mountains Serpentine Conifer Forest	Tree	G2	45	18,605
Pacific Northwest Alpine Dry Grassland	Herb	GNR	44	21,814
Sky Island High Mountain Conifer-Oak Forest	Tree	GNR	44	8,866
Columbia Plateau Western Juniper Woodland	Tree	GNR	43	17,903
California Foothill Blue Oak Woodland	Tree	GNR	42	17,468
East Cascades Moist Mountain Conifer Forest	Tree	GNR	42	56,141
Mojave Desert Chaparral	Shrub	GNR	39	12,482
Northern Great Plains Mixed Grass Prairie	Herb	GNR	39	94,865
Rocky Mountain Foothill Limber Pine-Juniper Woodland	Tree	GNR	36	7,946
Sierra Nevada Alpine Shrubland	Shrub	GNR	36	16,258
Appalachian Hemlock and Northern Hardwood Forest	Tree	GNR	35	16,896
Eastern Cool Temperate Urban Deciduous Forest	Tree		34	1,537
Northern Rockies Foothill Streamside Woodland	Tree	GNR	32	3,126
Appalachian Hemlock and Northern Hardwood Forest	Tree	GNR	31	10,279
Great Lakes Alkaline Conifer-Hardwood Swamp	Tree	GNR	31	9,889
Great Lakes Moist Sub-boreal Balsam Fir-Spruce Forest	Tree	GNR	31	13,092
Southern California Coast Ranges Cliff and Canyon	Sparse		31	6,294
Southern Interior Mixed Hardwood Forest	Tree	GNR	31	13,422
Central Appalachian Rocky Pine-Oak Woodland	Tree	GNR	30	3,035
Intermountain Mountain Mahogany Woodland	Shrub	GNR	30	5,506
Sierra Nevada and Desert White Pine-White Fir Woodland	Tree	GNR	30	15,272
Southern Vancouverian Lowland Ruderal Grassland	Herb		30	8,659
Northern Great Plains Shrubland	Shrub	GNR	29	10,420
Pacific Northwest Alpine Bedrock and Scree	Sparse	GNR	29	18,539
Sky Island Juniper Savanna	Tree	GNR	29	3,897
Chihuahuan Desert Mixed Scrub	Shrub	GNR	28	32,412
Columbia Basin Canyon Grassland	Herb	GNR	28	26,577
Northern Rockies Foothill Pine Wooded Steppe	Tree	GNR	28	2,266
Pacific Northwest Rainforest Cedar-Hemlock Forest	Tree	GNR	28	7,010
Pacific Northwest Maritime Subalpine Parkland	Tree	GNR	27	5,744
Rocky Mountain Subalpine Streamside Shrubland	Shrub	GNR	27	4,732
California Ruderal Scrub	Shrub		26	7,579
Pacific Northwest Lowland Streamside Forest	Tree	GNR	26	4,685
Pacific Northwest Mountain Grassland	Herb	GNR	26	8,106
Southern Appalachian Low-Elevation Pine Forest	Tree	GNR	26	2,774
Temperate Pacific Subalpine-Montane Wet Meadow	Herb		26	2,093
Boreal-Laurentian Conifer Acidic Swamp and Treed Poor Fen	Tree		25	7,683
Columbia Plateau Lava Rock Shrubland	Shrub	GNR	25	4,861
North American Warm Desert Ruderal & Planted Scrub	Shrub		25	4,960
Northwestern Great Plains Riparian Herbaceous	Herb		25	2,708
Appalachian Hemlock and Northern Hardwood Forest	Tree	GNR	24	6,331
California Coastal Live Oak Woodland	Tree	GNR	24	4,555
Great Lakes Aspen-Birch Forest	Tree	GNR	24	4,761
Southeastern North American Temperate Forest Plantation	Tree		24	3,855
Ozark-Ouachita Oak Forest	Tree	GNR	23	34,298