Natural Resources
Conservation Service
ecological site group 036XESG38
Semiarid Cool Very Shallow
Accessed: 09/11/2026
Ecological site group description
Key Characteristics
- <75% bedrock outcrop
- Ephemeral water or uplands
- Ustic or udic moisture regimes
- Cryic, frigid, or mesic temperature regimes
- Uplands
- Surface SAR <8
- Gypsum <5% and <10% subsurface
- Subsurface EC <8 and surface EC <4
- EC <1.5 surface and <2 subsurface
- Slope <35% or <40% surface rock
- Depth <30cm
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 mesas and hills.
Climate
This ESG is characterized by the ustic moisture regime.
Vegetation dynamics
The modal ecological site for this ESG is F036XB133NM Pinyon-Utah juniper/skunkbush sumac.
Major Land Resource Area
MLRA 036X
Southwestern Plateaus, Mesas, and Foothills
Subclasses
- F036XA001NM–Pinyon Upland
- F036XA005NM–Riverine Riparian
- F036XA136NM–Pinyon-Utah juniper/Apache plume
- F036XB133NM–Pinyon-Utah juniper/skunkbush sumac
- R036XY110CO–Shallow Clay Loam (pinyon-Utah juniper)
- R036XY111CO–Steep Shallow Clay Loam (pinyon-Utah juniper)
- R036XY114CO–Mountain Pinyon
- R036XY141CO–Shallow Loamy Mesa Top (pinyon-Utah juniper)
- R036XY315UT–Upland Shallow Loam (pinyon-Utah juniper)
- R036XY316UT–Upland Shallow Loam (littleleaf mountain mahogany)
Correlated Map Unit Components
23735955, 23735995, 23735993, 23735999, 23735907, 23735878, 23735075, 23735593, 23735557, 23735140, 23734527, 23734670, 23732338, 23730805, 24489682, 24489664, 24489662, 24489689, 24489694, 24489741, 24489678, 24489676, 24312652, 24312654, 24312719, 24312717, 24312699, 24312589, 24312551, 24312783, 24312785, 24312575, 24313245, 24313247, 24313294, 24313502, 24313504, 24313150, 24313540, 24313544, 24313012, 24313371, 24313202, 24313669, 24313987, 24314054, 24314405, 24314166, 24314287, 24314304, 24314220, 24314221, 24317337, 24316938, 24317120, 24317169, 24317454, 24317456, 24316831, 24316870, 24317234, 24317236, 24317286, 24317729, 24316893, 24316895, 24365622, 24365620, 24365632, 24365714, 24365222, 24366515, 24366552, 24366560, 24366909, 24366916, 24365806, 24365804, 24365312, 24365358, 24365360, 24367146, 24367136, 24365424, 24366242, 24367235, 24367251, 24365744, 24365742, 24324170, 24324854, 24324954, 24324960, 24324483, 24324728, 24324734, 24324738, 24324971, 24324495, 24324494, 24324639, 24327787, 24327789, 24327798, 24327599, 24327843, 24327638, 24327850, 24327658, 24327672, 24327815, 24327817, 24327677, 24529912, 24532065, 24531538
Stage
Provisional
Contributors
Curtis Talbot
Travis Nauman
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