Natural Resources
Conservation Service
Juniper Hills 8-11 PZ
Scenario model
Current ecosystem state
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Management practices/drivers
Select a transition or restoration pathway
-
Transition T1A
Prolonged inappropriate grazing management
More details -
No transition or restoration pathway between the selected states has been described
Target ecosystem state
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Description
This is the Historic Reference state, with the absence of an altered disturbance regime.
Dominant plant species
western juniper (Juniperus occidentalis), tree
mountain big sagebrush (Artemisia tridentata ssp. vaseyana), shrub
bluebunch wheatgrass (Pseudoroegneria spicata ssp. spicata), grass
needle and thread (Hesperostipa comata ssp. comata), grass
Submodel
Description
In this state, perennial grass composition has significantly shifted in structure and composition, and abiotic factors have crossed a threshold due to erosion.
Dominant plant species
western juniper (Juniperus occidentalis), tree
mountain big sagebrush (Artemisia tridentata ssp. vaseyana), shrub
squirreltail (Elymus elymoides), grass
Submodel
Mechanism
Continued prolonged inappropriate grazing management leading to a change in perennial grass composition and the loss of several species including Idaho fescue, bluebunch wheatgrass, needleandthread and Thurber's needlegrass.
Constraints to recovery
Site has crossed an abiotic threshold that may only be rehabilitated by intensive restoration measures if at all.
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.
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