Natural Resources
Conservation Service
Major Land Resource Area 105X
Major Land Resource Area
Accessed: 04/21/2026
Next steps
-
1
Select an ecological site
Select an ecological site using the list, keys, photos, briefcase, or quick search option located on this page. -
2
Explore the ecological site description
Next, learn more about the selected ecological site and its characteristic dynamics by browsing the ecological site description and exploring alternative state and transition model formats.
Ecological site list
Ecological site map
Basemap
Find me
Find point
Full screen
Zoom in to display soil survey map units for an area of interest, and zoom out to display MLRAs. Select a map unit polygon to view ecological sites correlated to that map unit. View a brief description of an ecological site by clicking on its name in the map popup. Soil survey correlations may not be accurate, and ecological site classification of a location should always be verified in the field. Each selection may require the transfer of several hundred KB of data.
Briefcase
Add ecological sites and Major Land Resource Areas to your briefcase by clicking on the briefcase (
) icon wherever it occurs. Drag and drop items to reorder. Cookies are used to store briefcase items between browsing sessions. Because of this, the number of items that can be added to your briefcase is limited, and briefcase items added on one device and browser cannot be accessed from another device or browser. Users who do not wish to place cookies on their devices should not use the briefcase tool. Briefcase cookies serve no other purpose than described here and are deleted whenever browsing history is cleared.
Ecological sites
Major Land Resource Areas
Ecological site photos
Filters
F105XY002WI – Wet Sandy Floodplain
F105XY003WI – Wet Loamy-Clayey Floodplain
F105XY001WI – Mucky Swamp
F105XY004WI – Wet Sandy Lowland
F105XY003WI – Wet Loamy-Clayey Floodplain
F105XY006WI – Moist Sandy Lowland
R105XY007WI – Moist Mollic Loamy-Clayey Lowland
F105XY008WI – Moist Loamy-Clayey Lowland
F105XY009WI – Sandy Upland
R105XY010WI – Shallow Mollic Loamy-Silty Upland
R105XY011WI – Mollic Loamy-Silty Upland
F105XY012WI – Shallow Loamy-Silty Upland
F105XY013WI – Loamy-Silty Upland
R105XY014WI – Mollic Clayey Upland
F105XY015WI – Shallow Clayey Upland
F105XY016WI – Clayey Upland
F105XY017WI – Shallow Dry Upland
R105XY018WI – Dry Mollic or Umbric Upland
F105XY019WI – Dry Upland
R105XY020WI – Sandstone Colluvium Bluff Prairie
R105XY021WI – Limestone Colluvium Bluff Prairie
Long term average mean annual precipitation
- No filter
- 80 – 100cm (31 – 39in)
Long term average frost free days
- No filter
- 110 – 130days
- 130 – 150days
- No filter
- 0 – 200m (0 – 700ft)
- 200 – 400m (700 – 1300ft)
- No filter
- 0 – 3%
- 3 – 5%
- 5 – 10%
- 10 – 15%
- 15 – 20%
- 20 – 25%
- 25 – 30%
- 30 – 35%
- 35 – 40%
- 40 – 45%
- 45 – 50%
- 50 – 60%
- 60 – 70%
- 70 – 80%
- 80 – 90%
- 90 – 100%
- No filter
- Alluvial fan
- Bluff
- Depression
- Drainageway
- Drumlin
- Dune
- Flood plain
- Glacial lake
- Hill
- Kame terrace
- Knoll
- Lake plain
- Loess hill
- Mogote
- Moraine
- Outwash plain
- Pediment
- Plain
- Ridge
- Sand sheet
- Strath terrace
- Stream terrace
- Swale
- Terrace
- Till plain
- Valley side
- Valley train
- No filter
- Dolomite (dolostone)
- Sandstone and shale
- Sandstone, unspecified
- No filter
- Alluvium
- Colluvium
- Drift
- Eolian deposits
- Eolian sands
- Glaciofluvial deposits
- Glaciolacustrine deposits
- Loess
- Organic, herbaceous material
- Organic, unspecified
- Outwash
- Pedisediment
- Residuum
- Till, unspecified
Soil surface texture
- No filter
- Fine sandy loam
- Loam
- Loamy fine sand
- Loamy sand
- Sand
- Silty clay loam
- Silt loam
- Sandy loam
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Ecological site keys
The Ecosystem Dynamics Interpretive Tool is an information system framework developed by the USDA-ARS Jornada Experimental Range, USDA Natural Resources Conservation Service, and New Mexico State University.
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