Clayey Upland 10"-13" p.z.
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
Target ecosystem state
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Submodel
Description
Large shrubs and prickly pear dominate. Annuals and half-shrubs dominate the understory with tobosa basal cover below 1% recovery threshold.
Submodel
Description
Remnant tobosa basal cover is protected by stones and cobbles on the soil surface. Large shrubs and prickly pear co-dominant with half shrubs.
Submodel
Description
Non-native annuals (including red brome, filaree, schisms and purslane) dominate understory (continuous, non-patchy distribution of non-native annuals). Shrubs and succulents may be absent if site has fire or brush management history.
Submodel
Description
Large shrubs and prickly pear may be absent or up to 30% canopy cover depending on fire and brush management history. Perennial grasses and forbs are absent. Annuals fluctuate with rainfall but are unable to establish in active soil movement areas.
Active soil erosion is evident by severe sheet, rill and gully erosion. Non-stony soil surfaces erode easily. Sites with stone and cobble cover are naturally more resistant to transitioning to this state but it can happen.
Submodel
Model keys
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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.