Next steps
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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
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i
Key Characteristics
- Location in situated in Idaho.
- The soil has greater than 35 percent rock fragments.
- Soil is less than 20 inches deep.
- Soil is less than 10 inches deep.
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i
Key Characteristics
- Location in situated in Idaho.
- The soil has less than 35 percent rock fragments.
- Slope on site is less than 30 percent.
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i
Key Characteristics
- Location in situated in Idaho.
- The soil has less than 35 percent rock fragments.
- Slope on site if greater than 30 percent.
- Aspect is generally a North-Northeast-East direction.
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i
Key Characteristics
- Location in situated in Idaho.
- The soil has less than 35 percent rock fragments.
- Slope on site if greater than 30 percent.
- Aspect is generaly a South-Southwest-West direction.
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i
Key Characteristics
- Location in situated in Idaho.
- The soil has greater than 35 percent rock fragments.
- Soil is greater than 20 inches deep.
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i
Key Characteristics
- Location in situated in Idaho.
- The soil has greater than 35 percent rock fragments.
- Soil is less than 20 inches deep.
- Soil not as above.
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i
Key Characteristics
- Location is situated in Oregon.
- Soil is greater than 20 inches to bedrock.
- Soils that have an aridic soil moisture regime.
- Soil not as above.
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i
Key Characteristics
- Location is situated in Oregon.
- Soil is greater than 20 inches to bedrock.
- Soils that have a xeric moisture regime.
- Site exists on hills, ridges or plateaus.
- Site exists on slopes of 12 percent or less.
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Key Characteristics
- Location is situated in Oregon.
- Soil is greater than 20 inches to bedrock.
- Soils that have an aridic soil moisture regime.
- Soil texture is course.
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i
Key Characteristics
- Location is situated in Oregon.
- Soil is less than 20 inches to bedrock.
- Soils are 10 to 20 inches deep.
- Soil aspect is not as above.
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i
Key Characteristics
- Location is situated in Oregon.
- Soil is less than 20 inches to bedrock.
- Soils are less than 10 inches to bedrock.
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i
Key Characteristics
- Location is situated in Oregon.
- Soil is greater than 20 inches to bedrock.
- Soils that have a xeric moisture regime.
- Site exists on side slopes of valley walls.
- Aspect is South-Southwest-West
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i
Key Characteristics
- Location is situated in Oregon.
- Soil is less than 20 inches to bedrock.
- Soils are 10 to 20 inches deep.
- Soil aspect is South-South west - West
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i
Key Characteristics
- Location is situated in Oregon.
- Soil is greater than 20 inches to bedrock.
- Soils that have a xeric moisture regime.
- Site exists on side slopes of valley walls.
- Aspect is North-Northeast-East
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i
Key Characteristics
- Location is situated in Oregon.
- Soil is greater than 20 inches to bedrock.
- Soils that have a xeric moisture regime.
- Site exists on hills, ridges or plateaus.
- Site exists on slopes of more than 12 percent.
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.
Ecological site keys
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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
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.