Upland Steep Stony Loam (Utah Juniper-Pinyon)
Circle-spoke model
Scenario model
Current ecosystem state
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Management practices/drivers
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No transition or restoration pathway between the selected states has been described
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Description
This state represents the natural range of variability that historically dominated the dynamics of this ecological site. This state includes the biotic communities that would be expressed on the ecological site if all successional sequences were completed without modern disturbances under the present environmental conditions; natural disturbances are inherent in its development. This state is dominated by two-needle pinyon and Utah juniper with a diverse understory of shrubs, perennial grasses and forbs. The primary disturbance mechanisms for this site in the reference condition include drought and insects.
Reference State: Two-needle pinyon and Utah juniper woodland
Indicators: A community dominated by twoneedle pinyon and Utah juniper, where shrubs, and native perennial grasses and forb production is variable.
Feedbacks: Disturbances that may allow for the establishment of invasive species.
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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.