Natural Resources
Conservation Service
Scenario model
Current ecosystem state
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Management practices/drivers
Select a transition or restoration pathway
- 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
This state describes the playa during non-inundated periods.
Characteristics and indicators
The primary indicators of this state is the presence of vegetation and the lack of inundation.
Resilience management
This state is resilient in the absence of mechanical disturbance such as ditching and draining.
Dominant plant species
fourwing saltbush (Atriplex canescens), shrub
western wheatgrass (Pascopyrum smithii), grass
lambsquarters (Chenopodium album), grass
pigweed (Amaranthus), grass
Submodel
Description
In this state, the playa floor is inundated by run-on water to the degree that it cannot sustain vegetation. The step is also affected, though to a lesser degree.
Characteristics and indicators
Standing water, limited vegetation.
Resilience management
The primary challenges to resilience are ditching and draining through mechanical disturbance.
Dominant plant species
fourwing saltbush (Atriplex canescens), shrub
broom snakeweed (Gutierrezia sarothrae), shrub
rabbitbrush (Chrysothamnus), shrub
western wheatgrass (Pascopyrum smithii), grass
pigweed (Amaranthus), grass
lambsquarters (Chenopodium album), grass
Submodel
Mechanism
Inundation from overland flow and a high water table, normally following the monsoon rains.
Context dependence
Extended inundation, ditching and draining.
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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