Dry Mountain Swale
Circle-spoke model
Scenario model
Current ecosystem state
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Management practices/drivers
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No transition or restoration pathway between the selected states has been described
Target ecosystem state
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Description
If ecological retrogression is cattle-induced, nodding brome, slender wheatgrass, Letterman's needlegrass, and Indian ricegrass will decrease and soon disappear. Western wheatgrass initially increases then declines with further overgrazing. Red-osier dogwood and Scouler willow both disappear completely under continuous heavy gazing pressure. Less desirable shrubs and half-shrubs increase with fringed sagewort dominating the site in poor condition. Kentucky bluegrass may invade areas of more moisture.
Submodel
Model keys
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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.