Natural Resources
Conservation Service
Limestone/Sandstone Upland (Pinyon-Juniper) 14-18" p.z.
Scenario model
Current ecosystem state
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Management practices/drivers
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- Transition 1 More details
- Restoration pathway 1 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
Reference State
Reference State
Description
This community phase occurs in warm pockets of MLRA 39, but occurs dominantly in MLRA 35. This site has characteristics of MLRA 35.7 with vegetation such as pinyon, juniper, and warm-season grasses such as blue grama and is surrounded by dominant areas of ponderosa pine.
Submodel
Description
This state is characterized by Pinyon-Juniper community affected by drought and Ips bark beetles. As a result of this disturbance, many of the pinyon pines have either died or are in serious decline. This site is dominated by juniper with evidence of dead pinyon pines on the site.
Submodel
Mechanism
Transition from Reference State of Pinyon-Juniper to Alternative State of drought-stressed or dead Pinyon with Juniper dominating
Mechanism
This Pathway back to the Reference State can be accomplished with removal of insect-infested dead wood, increased regular moisture, and possibly light ground fire although it has been shown that pinyon-juniper is not fire maintained.
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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