Natural Resources
Conservation Service
Limestone Mountain (North Aspect) 20-26" PZ
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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State 1
High Frequency, Low to Mid Severity Fires State
High Frequency, Low to Mid Severity Fires State
Description
This state is a multi-aged mixed coniferous forest characterized by high frequency, low to mid severity fires. Abundant fine fuels exist with a combination of both warm and cool season grasses and forbs to carry fires. A high frequency of fire would favor ponderosa pine over Douglas-fir in this state (NPS 2005). A total of three seral stages are identified in this state and they most likely occur in a mosaic of patches optimizing wildlife habitat. Forest health is also optimized thereby limiting the extent of diseases.
Submodel
State 2
Low Frequency, High Severity Fires State
Low Frequency, High Severity Fires State
Description
This state is characterized low frequency, high severity fires. Overgrazing has been or is a part of this state and a very low grass cover exists. Dense thickets of coniferous exists due to the lack of periodic fires. Numerous young Douglas fir and Gambel oak trees exists in the understory of these thickets. The high density of Douglas fir in understory communities can likely shift the dominance from mixed ponderosa pine and southwestern white pine to Douglas fir (Sakulich and Taylor 2007). Large catastrophic wildfires can cause high tree mortalities in this state.
Submodel
Transition T1A
Mechanism
Due to overgrazing and fire suppression, the High Frequency Low to Mid Severity Fire State will transition into the Low Frequency, High Severity Fire State.
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.
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