Ecological site group DX035X02DESG14
Grand Canyon - Ustic Aridic - Sandstone or Sandy Loam Upland
Last updated: 10/26/2022
Accessed: 05/02/2024
Ecological site group description
Key Characteristics
- Grand Canyon (D)
- Site parent material is sandstone or soil is a sandy loam.
- Site soils are ustic aridic or within a 10-14" precipitation zone.
- Site is and/or located in an upland with slopes <15%.
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
Site is and/or located in an upland with slopes <15%. Physiography is complex.
Climate
Site soils are ustic aridic or within a 10-14" precipitation zone. Precipitation comes monsoonal patterns during months of July, August, and September, and is supplemented by winter storm patterns from November through March.
Soil features
Parent material is sandstone. Soils are sandy or sandy loams. Site consists of gently dipping shallow residuum weathered from sedimentary rocks eroded into steep cliff faces and canyons.
Vegetation dynamics
The dominant aspect of the site is a sparse stand of trees with shrubs and mid grasses.
Utah juniper and singleleaf pinyon are the trees. Major shrubs are blackbrush, green mormontea and banana yucca. Dominant grasses include black grama, bottlebrush squirreltail and indian ricegrass.
Major Land Resource Area
MLRA 035X
Colorado Plateau
Correlated Map Unit Components
22394080, 22395039, 22395101, 22395165
Stage
Provisional
Contributors
Curtis Talbot
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