Dry Clay Rises and Flats
Scenario model
Current ecosystem state
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Management practices/drivers
Select a transition or restoration pathway
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Transition T1A
Lack of fire
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Transition T1B
Land use conversion
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Transition T2A
Reintroduction of fire
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Transition T2B
Land use conversion
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Transition T3A
Restoration
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No transition or restoration pathway between the selected states has been described
Target ecosystem state
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Description
On this site, this vegetation community ranges from an open overstory to a nearly closed canopy. Fire helps to establish and maintain a more open canopy, but, on this site, some locations with a frequent fire return interval maintain a nearly closed canopy of mixed pine and oak. This vegetation community on this site is exceptionally rare today, due mostly to landuse conversion to agriculture.
(Peat and Allard, 1993; Schafale and Weakley, 1990)
Resilience management
This community is maintained by fires on a return interval of 3 to 5 years. Fires at this return interval maintain both vegetation and fuels so that the overall vegetation community is well adapted to the resulting fire intensity. Longleaf pine is well adapted to frequent low intensity surface fires, and the oak species common on this site are capable of withstanding low intensity fire.
Description
On this site, this vegetation community ranges from an open overstory to a nearly closed canopy. This community often occurs as a transition between frequently burned sandhills and fire intolerant upland hardwoods. This site tends to occur in locations that are partially sheltered from fire, but fire continues to play a role on this site, and the hardwoods common on this site are more tolerant of fire than other hardwoods. Disturbed areas tend to have an increased prominence of pines.
(FNAI, 2010; Peat and Allard, 1993; Schafale and Weakley, 1990)
Submodel
Description
Restoration efforts might include revegetation and reintroduction of periodic fire. There is increased interest in restoration of longleaf pine and it's associated vegetation communities including the application of prescribed and controlled fire. However, it is unclear whether or not the full historical range of fire behavior and fire seasonality can be restored on the modern landscape, and the limited scope of modern fire application may impact full restoration to historical conditions.
Mechanism
Lack of fire, or a fire return interval that exceeds 5 years on a consistent basis for a long period of time.
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.