Natural Resources
Conservation Service
ecological site group 040XESG50
Desert Breaks
Accessed: 04/21/2026
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 mountains and hills.
Climate
This ESG is characterized by the aridic moisture regime.
Vegetation dynamics
The modal ecological site for this ESG is R040XC305AZ Paralithic Hills 3"-7" p.z.
Major Land Resource Area
MLRA 040X
Sonoran Basin and Range
Subclasses
- R040XA101AZ–Basalt Hills 10"-13" p.z.
- R040XA105AZ–Shallow Hills 10"-13" p.z.
- R040XA113AZ–Loamy Slopes 10"-13" p.z.
- R040XA119AZ–Schist Hills 10"-13" p.z.
- R040XA129AZ–Limy Hills 10"-13" p.z.
- R040XB201AZ–Basalt Hills 7"-10" p.z.
- R040XB202AZ–Paralithic Hills 7"-10" p.z.
- R040XB206AZ–Shallow Hills 7"-10" p.z.
- R040XB231AZ–Lithic Hills 7"-10" p.z.
- R040XC301AZ–Basalt Hills 3"-7" p.z.
- R040XC305AZ–Paralithic Hills 3"-7" p.z.
- R040XC324AZ–Lithic Hills 3"-7" p.z.
Correlated Map Unit Components
25560513, 25560516, 25560590, 25560624, 25680067, 25680070, 25679946, 25688846, 25688656, 25688657, 25688616, 25688635, 25688636, 25689036, 25689043, 25689086, 25689049, 25689076, 25689118, 25689174, 25689182, 25689370, 25689368
Stage
Provisional
Contributors
Curtis Talbot
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