SHALLOW STONY 12-16
Scenario model
Current ecosystem state
Select a state
Management practices/drivers
Select a transition or restoration pathway
- Transition T1A More details
- Transition T1B More details
- Transition T2A More details
- Transition T3A More details
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No transition or restoration pathway between the selected states has been described
Target ecosystem state
Select a state
Description
The Reference State moves through many phases depending on the natural and human-made forces that impact the community over time. State 1, described later, indicates some of these phases. The traditional HCPC is Phase 1.1. This plant community is dominated by bluebunch wheatgrass, Thurber needlegrass and Wyoming big sagebrush. Subdominant species include Sandberg bluegrass, bottlebrush squirreltail, Indian ricegrass, arrowleaf balsamroot and tapertip hawksbeard. The plant species composition of Phase 1.1 is listed later under “HCPC Plant Species Composition”.
Submodel
Description
Non-native annual plants have established in the plant community and have reduced resistance and resilience to disturbances.
Submodel
Description
Western juniper dominated the plant community and few shrubs remain in the understory.
Submodel
Mechanism
Develops through improper grazing management and frequent fire.
Mechanism
Develops with no fire and improper grazing management from a juniper invaded phase of State 1.
Mechanism
Excessive soil loss and changes in the hydrologic cycle caused by improper grazing management and no fire or frequent fire cause this state to retrogress to a new site with reduced potential.
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.