Natural Resources
Conservation Service
ecological site group ESG5
Gravelly
Accessed: 06/23/2026
Ecological site group description
Key Characteristics
- Not flooded (hills, convex portions of piedmont slopes, broad basin floors)
- Exposed bedrock absent and few if any cobbles and stones
- Soil surface gravelly, soil profile gravelly to skeletal
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.
Climate
Alluvial fans, fan piedmonts, and terraces; gravelly surface and subsurface. May have petrocalcic horizon, but otherwise deep.
Vegetation dynamics
Alluvial fans, fan piedmonts, and terraces; gravelly surface and subsurface. May have petrocalcic horizon, but otherwise deep.
Major Land Resource Area
MLRA 042B
Southern Rio Grande Rift
Correlated Map Unit Components
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Stage
Provisional
Contributors
Curtis Talbot
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