Wet Sandy Drainageways
Scenario model
Current ecosystem state
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Management practices/drivers
Select a transition or restoration pathway
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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 for this ecological has three main phases, and these are complicated by the fact that this site is both highly productive and many species are adapted to grow on it. Also, documenting these phases is complicated by the fact that logging has decimated the reference state, and also by the fact that natural regeneration of white spruce cover types is problematic in the modern era, presumably for a variety of reasons including: competition from better adapted species, loss of prolific seed trees, insect damage and slow growth rates.
Submodel
Description
The Cutover State has largely replaced the Reference State on this site. Loggers in the past targeted the large white pine and white spruce that occurred on this site. There are two phases of this state and many intergrades of these phases. A variety of tree species will grow on this site but there are numerous conditions issues (tree damage) owing to numerous site-related disturbance factors and a high level of plant competition.
Submodel
Description
This state is even more problematic than the Cutover State. The disturbance factors (e.g. insects and diseases) and invasive species (e.g. earthworms and garlic mustard) have the potential to reduce forest productivity on this site and spread beyond this site. In general, the productivity of this site feeds some of the more deleterious pests found on the site, so in a sense, this site becomes a fertile breeding ground for forest pests if allowed to do so.
Submodel
Description
The Converted State is the result of intentional land use changes. The forest canopy is removed and the site is bulldozed to remove stumps and other debris. In this state, the low areas get filled and the higher areas get cut, thus leveling the surface. There are two main phases to this state, the developed phase and the plantation phase.
Submodel
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.