Natural Resources
Conservation Service
ecological site group 036XESG21
Arid Cool Loamy Uplands
Accessed: 09/18/2026
Ecological site group description
Key Characteristics
- <75% bedrock outcrop
- Ephemeral water or uplands
- Aridic moisture regime
- Cryic, frigid, or mesic temperature regimes
- Uplands
- Surface SAR <8
- Gypsum <5% surface and <10% subsurface
- Subsurface EC <8 and surface EC <4
- EC <1.5 surface and <2 subsurface
- Slope <35% or <40% surface rock
- Depth >55cm
- Rock <30% surface and <30% subsurface
- Clay <30% surface and <35% subsurface
- Sand <75% or texture is sandy loam or finer in surface & subsurface
- Clay <20% or texture is sandy loam or sandier in surface
Provisional. A provisional ecological site description has undergone quality control and quality assurance review. It contains a working state and transition model and enough information to identify the ecological site.
Physiography
This ESG is located on mesas.
Climate
This ESG is characterized by the aridic moisture regime.
Vegetation dynamics
The modal ecological site for this ESG is R036XY325CO Semidesert Loam.
Major Land Resource Area
MLRA 036X
Southwestern Plateaus, Mesas, and Foothills
Subclasses
Correlated Map Unit Components
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Stage
Provisional
Contributors
Curtis Talbot
Travis Nauman
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