Natural Resources
Conservation Service
SR Mountain South 12-16 PZ
Scenario model
Current ecosystem state
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Management practices/drivers
Select a transition or restoration pathway
- Transition T1A More details
- Restoration pathway R1A 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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Submodel
Description
Recognized by the need to mechanically treat the juniper woodland prior to initiating a prescribed burn. JSS phase with juniper dominance, Idaho fescue beneath tree canopies, bareground interspaces with a trace of Bluebunch wheatgrass and an increase in Sandberg’s bluegrass. Sagebrush is stressed and dying (JSS phase). As the juniper woodland matures, sagebrush and Bluebunch wheatgrass are eliminated and the potential for soil erosion increases (JW phase).
Submodel
Description
Recognized by the lack of bunchgrasses and sagebrush along with an understory dominated by cheatgrass with an overstory of either juniper or rabbitbrush.
Submodel
Description
Recognized by wind and water erosion and redistribution of soil. Dominated by annuals and shallow rooted grasses. Juniper or rabbitbrush may be the dominate overstory.
Abiotic factors control site resources and ecological function. Rehabilitation of this state may not be practical nor possible.
Submodel
Mechanism
With continued lack of fire, a fire proof juniper woodland is created. A biotic threshold has been crossed with Western Juniper controlling the site dynamics.
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.
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