Ecological site group description

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 site occurs on landform positions where soils are shallow to root-restrictive layers. Common examples are escarpments and structural benches. Stream channels with exposed bedrock are excluded from this group, and correlate to the Run-On Group instead.

Soil features

Soils are shallow (< 20") to a root-restrictive layer such as lithic contact (sandstone, limestone, basalt), paralithic contact (weathered shale), or petrocalcic materials (layers that are cemented by carbonates).

Major Land Resource Area

MLRA 070A
High Plateaus of the Southwestern Great Plains

Subclasses

• F070AY020NM–Juniperus monosperma-Pinus edulus/Bouteloua gracilis-Bouteloua curtipendula
• F070AY021NM–Pinus edulus-Juniperus monosperma/Quercus gambleii/Bouteloua curtipendula
• F070AY022NM–Pinus ponderosa-Juniperus scopulorum/Quercus gambleii
• R070AY003NM–Shallow Upland
• R070AY005NM–Shallow Sandstone
• R070AY008NM–Sandstone Breaks
• R070AY009NM–Shale Hills
• R070AY014NM–Hills
• R070AY015NM–Shallow Shale
• R070AY019NM–Shallow Savanna

Correlated Map Unit Components

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Stage

Provisional

Contributors

Logan Peterson
Curtis Talbot