Ecological site group DX035X02DESG17
Grand Canyon - Typic Aridic - Sandy Bottoms
Last updated: 10/26/2022
Accessed: 05/02/2024
Ecological site group description
Key Characteristics
- Grand Canyon (D)
- Sandy
- Typic Aridic
- typic aridic sandy bottoms
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 a steams, drainages, and washes with gentle slopes. Physiography is simple.
Climate
Site soils are typic aridic or within a 6-10" 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 eolian dunes from sandstone. Soils are sandy. Site consists of limited amounts of gently sloping stream alluvial or eolian deposits on streams, drainages, washes or terraces. Soils are commonly Typic Torriortents in drainageways, as AZ701, MU139, Typic Torriorthents component, MU141, Haplogypsids component, and MU140, Typic Haplogypsids component.
Vegetation dynamics
Grasses, shrubs, and forbs which grow along sandy valley bottoms.
Major Land Resource Area
MLRA 035X
Colorado Plateau
Subclasses
Correlated Map Unit Components
22395208, 22395098, 22395099, 22395100, 22395001, 22395090
Stage
Provisional
Contributors
Curtis Talbot
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