Loamy 11-13 PZ ARTRW8/PSSPS
Scenario model
Current ecosystem state
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Management practices/drivers
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- Transition T1A More details
- Transition T2A More details
- Transition T2B 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
This plant community is dominated by Sandberg bluegrass, cheatgrass, bulbous bluegrass and annuals. Root sprouting shrubs such as rabbitbrush and horsebrush can be present, dependent upon, how frequent, fire has occurred. This state has developed due to frequent fires. Some soil loss has occurred. This site has crossed the threshold. It is economically impractical to return this state to State 1 with accelerated practices.
Description
This plant community is dominated by the seeded species. The seeding can be introduced species or native species that simulate State 1. This community is the result of range seeding.
Description
This plant community has gone over the threshold to a new site. Site potential has been reduced. Significant soil loss has occurred. Infiltration has been reduced and run-off has become more rapid. This state has developed due to continued improper grazing management and/or frequent fires. It is economically impractical to return this state to State 1 with accelerated practices.
Mechanism
State 1 Phase C to State 2. Develops through frequent fire. This site has crossed the threshold. It is economically impractical to return this state to State 1 with accelerated practices.
Mechanism
State 2 to unknown site. Excessive soil loss and changes in the hydrologic cycle caused by continued improper grazing management and/or frequent fire cause this state to cross the threshold and retrogress to a new site with reduced potential. It is economically impractical to return this state to State 1 with accelerated practices.
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.