QUARTZITE SLOPES
Circle-spoke model
Scenario model
Current ecosystem state
Select a state
Management practices/drivers
Select a transition or restoration pathway
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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 is representative of the natural range of variability under pristine conditions. It is dominated by Rocky Mountain ponderosa pine with traces of juniper, singleleaf pinyon pine and white fir in the canopy. Primary natural disturbance mechanisms affecting this ecological site are wildfire, disease, insect attack and periodic drought. Timing of fire combined with weather events determine the community dynamics. Increased mortality following drought is likely, caused by a combination of insect attack and disease.
This ecological site is currently described by a one state model because additional states have not been identified at this time. If in the future additional stable states are identified on the landscape changes will be made to this model to reflect findings.
Submodel
States 1, 5 and 6 (additional transitions)
1.1. Reference Plant Community
1.5. Immature Forest
1.6. Over-mature Forest
States 2, 5 and 6 (additional transitions)
1.2. Herbaceous
1.5. Immature Forest
1.6. Over-mature Forest
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.