Central Basin and Range ecoregion

This article is about the ecoregion designated by the EPA. For the associated United States physiographic region, see Great Basin section.

Central Basin and Range from space
Central Basin and Range ecoregion (13)
Ecology
Ecozone	Nearctic
Biome	North American Desert
Borders	Northern Basin and Range (ecoregion) (80), Sierra Nevada (ecoregion) (5) and Wasatch and Uinta Mountains (ecoregion) (19)
Geography
Country	United States
States	Nevada, Utah, California and Idaho

The Central Basin and Range ecoregion is a Level III ecoregion designated by the United States Environmental Protection Agency (EPA) with 26 different Level IV ecoregions.^[1] Its northern boundary is determined by the highest historical shoreline of Pleistocene Lake Bonneville.

Central Basin and Range
Level IV ecoregions

code
13a	Salt Deserts
13b	Shadscale-Dominated Saline Basins
13c	Sagebrush Basins Sagebrush Slopes
13d	Woodland Low Mountains Shrub-Covered Low Mountains
13e	Carbonate High Elevation Mountains
13g	Wetlands
13h	Lahontan Playas Tonopah Playas
13j	Lahontan Salt Shrub Basin
13k	Lahontan Sagebrush Slopes
13l	Lahontan Uplands
13m	Upper Humboldt Plains
13n	Mid-Elevation Ruby Mountains
13o	High Elevation Ruby Mountains
13p	Carbonate Sagebrush Valleys
13q	Carbonate Woodland
13r	Central Nevada High Valleys
13s	Central Nevada Mid-Slope Woodland Central Nevada Mid-Slope Brushland
13t	Central Nevada Bald Mountains
13u	Tonopah Basin
13v	Tonopah Sagebrush Foothills
13w	Tonopah Uplands
13x	Sierra Nevada-Influenced Ranges
13y	Sierra Nevada-Influenced High Elevation Mountains
13z	Upper Lahontan Basin
13aa	Sierra Nevada-Influenced Semiarid Hills Sierra Nevada-Influenced Semiarid Basins

References

1. ^ Bryce, S.A; et. al (poster), Ecoregions of Nevada, Reston, Virginia: USGS