Natural Resources
Conservation Service
ecological site group 018XESG05
Finer Uplands
Accessed: 08/30/2026
Ecological site group description
Key Characteristics
- Uplands
- <75% bedrock outcrop
- Surface SAR <8 and subsurface EC <8 and surface EC <4
- Slope <35% or <40% surface rock
- Depth >55 cm
- Rock <30% surface and <30% subsurface
- Clay <30% surface and <35% subsurface
- Sand <75% or texture is sandy loam or finer in surface & subsurface
- Clay >20% or texture is finer than sandy loam in surface
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 hillslopes and canyons.
Climate
This ESG is characterized by the xeric moisture regime.
Vegetation dynamics
The modal ecological site for this ESG is F018XA201CA Deep Thermic Hillslopes.
Major Land Resource Area
MLRA 018X
Sierra Nevada Foothills
Subclasses
- F018XA201CA–Deep Thermic Hillslopes
- F018XA202CA–Deep Mesic Mountain Slopes & Summits
- F018XI200CA–Low Elevation Foothills
- F018XI201CA–Moderately Deep Thermic Foothills
- F018XI202CA–Deep Thermic Steep Hillslopes
- F018XI204CA–North-facing Steep Draws and Hillslopes
- F018XI205CA–Thermic Granitic Foothills
- F018XI206CA–Clayey Thermic Marble Hills
- F018XI207CA–Deep Volcanic Plateaus and Hills
- F018XI208CA–Deep Low Rolling Hills and Terraces
- R018XA102CA–Clayey Thermic Terraces
- R018XI105CA–Mesic Steep Convex Slopes bordering thermic
- R018XI106CA–Steep Thermic Hillslopes and Canyon Walls
- R018XI107CA–Shallow, Undulating Volcanic Hills
- R018XI111CA–Low Gradient, Concave Depressions
Correlated Map Unit Components
22821200, 22820979, 22821493, 22820981, 22820718, 22820725, 22937531, 22938447, 22938314, 22938457, 22936764, 22937936, 22936777, 22936484, 22938005, 22938001, 22937995, 22937955, 22936758, 22937943, 22937977, 22938035, 22938030, 22938025, 22938020, 22938563, 22938550, 22938219, 22938337, 22938211, 22938333, 22938591, 22938587, 22938622, 22937617, 22936700, 22936698, 22936689, 22947031, 22475005, 22475295, 22475316, 22474972, 22475136, 22474981, 22484868, 22485033, 22485651, 22485659, 22521676, 22521422, 22521424, 22521425, 22523507, 22523523, 22523005, 22523354, 22523388, 22523140, 22523317, 22523406, 22523121, 22523299, 22523300, 22523274, 23467332, 23471961, 23471933, 23471929, 23011584, 23011593, 23011600, 23011453, 23011080, 22530171, 22529927, 22530154, 23029781, 23029783, 23029145, 23030103
Stage
Provisional
Contributors
Curtis Talbot
Travis Nauman
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