SHALLOW GRAVELLY SANDSTONE 7-9 P.Z.
Scenario model
Current ecosystem state
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Management practices/drivers
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- Transition T1A More details
- Restoration pathway R2A More details
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No transition or restoration pathway between the selected states has been described
Target ecosystem state
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Description
Potential vegetative composition is about 20 percent grasses, 5 percent forbs and 70 percent shrubs and up to 5 percent trees.
Submodel
Mechanism
Where management results in abusive grazing use by livestock and/or feral horses, cool-season perennial grasses decrease as blackbrush becomes more dominant. With severe disturbance broom snakeweed, red brome and cheatgrass become prevalent.
Model keys
Briefcase
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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.