Wet Loamy-Mantled Depressions
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 has three main phases that are a response to hydroperiod and disturbance regime. The hydroperiod gradient ranges permanently ponded to an aerated root zone sufficient for facultative tree species. The disturbance regimes are mainly excess wetness and windthrow and these are mainly random occurrences but some sites more susceptible that others.
Submodel
Description
This site is subject to permanent or semi-permanent ponding from a variety of natural or artificial sources. Temporary ponding in spring is common, and the Reference State vegetation is adapted to this regular occurrence. However, more permanent ponding due to extreme precipitation or man-made changes in drainage patterns will cause a state transition to open water with emergent vegetation (e.g. cattails, bulrushes). Alternatively, the ponding may persist long enough to kill trees and then subside leaving the Standing Dead Timber Phase.
Submodel
Description
The Drained State is a man-made condition that typically is incidental or inadvertent. Meaning that drainage is not the primary goal but drainage may be necessary for road construction or result from nearby construction activities.
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.