Alluvial Uplands Provisional Ecological Site Group
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
Target ecosystem state
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Description
The reference state supports a variety of forest types including mixed paper birch-white spruce open forest, mixed paper birch-quaking aspen forest, and mixed black spruce-paper birch forest. Forests dominated by black spruce (Picea mariana) probably developed after forest fires and may persist indefinitely. Understory characteristics vary considerably, reflecting a range of successional stages, microsites, and disturbance history. Mature paper birch-white spruce forest with dense tall and low shrub understory is the latest successional stage and the presumed potential vegetation. The most abundant shrubs include Sitka alder (Alnus viridis ssp. sinuata), devil's club (Oplopanax horridus), rusty menziesia (Menziesia ferruginea), highbush cranberry (Viburnum edule), ovalleaf blueberry (Vaccinium ovalifolium), and occasionally willow (Salix spp.). Scattered herbs, patches of moss, and leafy litter characterize the forest floor.
Submodel
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.