Natural Resources
Conservation Service
Frigid Udic Forest
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 is comprised of six communities in varying stages of regeneration following either small-scale or large-scale disturbance.
Dominant plant species
Pacific silver fir (Abies amabilis), tree
western hemlock (Tsuga heterophylla), tree
red alder (Alnus rubra), tree
Douglas-fir (Pseudotsuga menziesii), tree
oval-leaf blueberry (Vaccinium ovalifolium), shrub
red huckleberry (Vaccinium parvifolium), shrub
Cascade barberry (Mahonia nervosa), shrub
vine maple (Acer circinatum), shrub
salal (Gaultheria shallon), shrub
twinflower (Linnaea borealis), grass
sidebells wintergreen (Orthilia secunda), grass
sweet after death (Achlys triphylla), grass
western swordfern (Polystichum munitum), grass
bride's bonnet (Clintonia uniflora), grass
fireweed (Chamerion angustifolium), grass
Submodel
Communities 1 and 6 (additional pathways)
1.1. Pacific Silver Fir, Western Hemlock, Oval-Leaf Blueberry, Red Huckleberry, Twinflower, and Sidebells Wintergreen
1.6. Western Hemlock, Pacific Silver Fir, Oval-Leaf Blueberry, Red Huckleberry, Twinflower, and Sidebells Wintergreen
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.
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