Major Land Resource Area 060B
Pierre Shale Plains, Northern Part
Accessed: 12/21/2024
Next steps
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Select an ecological site
Select an ecological site using the list, keys, photos, briefcase, or quick search option located on this page. -
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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
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Key Characteristics
- Upland sites with soil depths ≥ 20 inches
- Sites with clayey soil surface texture; > 32% clay
- Clayey subsoil with blocky or prismatic structure
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Key Characteristics
- Upland sites with soil depths ≥ 20 inches
- Sites with clayey soil surface texture; > 32% clay
- Sites with 15-45% slope
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Key Characteristics
- Upland sites with soil depths ≥ 20 inches
- Soil surface texture is loam or silt loam; ≤ 32% clay
- 4-8 inch loamy soil surface texture over dense claypan subsoil
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Key Characteristics
- Upland sites with soil depths ≥ 20 inches
- Sites with clayey soil surface texture; > 32% clay
- Soils with course granular clays (typically acid shales)
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Key Characteristics
- Upland sites with soil depths ≥ 20 inches
- Sites with clayey soil surface texture; > 32% clay
- Clay content > 45% within surface mineral 2 inches
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Key Characteristics
- Upland sites with soil depths ≥ 20 inches
- Soil surface texture is loam or silt loam; ≤ 32% clay
- Clay content is ≤ 32% within surface mineral 4 inches
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Key Characteristics
- Lowland sites receiving significant additional run-off moisture or flooding from overflow of ephemeral streams
- Site receives flooding from overflow of ephemeral stream
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Key Characteristics
- Upland sites affected by saline and/or sodic conditions
- Soils are moderately to strongly saline
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Key Characteristics
- Upland sites affected by saline and/or sodic conditions
- Soils are slightly to moderately saline
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Key Characteristics
- Upland sites with soil depths < 20 inches
- Clayey soil surface texture over shale or dense clay; > 32% clay
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Key Characteristics
- Upland sites with soil depths ≥ 20 inches
- Soil surface texture is loam or silt loam; ≤ 32% clay
- 1-4 inch loamy soil surface texture over dense claypan subsoil
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Key Characteristics
- Lowland sites receiving significant additional run-off moisture or flooding from overflow of ephemeral streams
- Saline and/or sodic conditions are apparent on the soil surface
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Key Characteristics
- Upland sites with soil depths < 20 inches
- Loam or silt loam soil surface texture; ≤ 32% clay
Ecological site map
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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.
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Ecological sites
Major Land Resource Areas
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.
