Natural Resources
Conservation Service
ecological site group 040XESG25
Deep Rocky Thornscrub
Accessed: 04/22/2026
Ecological site group description
Key Characteristics
None specified
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 terraces.
Climate
This ESG is characterized by the thermic temperature regime and the aridic moisture regime.
Vegetation dynamics
The modal ecological site for this ESG is R040XA106AZ Limy Upland, Deep 10"-13" p.z.
Major Land Resource Area
MLRA 040X
Sonoran Basin and Range
Subclasses
- R040XA105AZ–Shallow Hills 10"-13" p.z.
- R040XA106AZ–Limy Upland, Deep 10"-13" p.z.
- R040XA108AZ–Limy Fan 10"-13" p.z.
- R040XA110AZ–Limy Slopes 10"-13" p.z.
- R040XA113AZ–Loamy Slopes 10"-13" p.z.
- R040XA114AZ–Loamy Upland 10"-13" p.z.
- R040XA115AZ–Sandy Wash 10"-13" p.z.
- R040XA117AZ–Sandy Loam Upland, Deep 10"-13" p.z.
- R040XA118AZ–Sandy Loam Upland 10"-13" p.z.
- R040XA120AZ–Clay Loam Upland 10"-13" p.z.
- R040XA130AZ–Loamy Upland, Limy 10"-13" p.z.
- R040XB210AZ–Limy Upland 7"-10" p.z.
- R040XB219AZ–Schist Hills 7"-10" p.z.
Correlated Map Unit Components
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Stage
Provisional
Contributors
Curtis Talbot
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