Natural Resources
Conservation Service
Semi-Wet Fresh Meadow
Scenario model
Current ecosystem state
Select a state
Management practices/drivers
Select a transition or restoration pathway
-
Transition T1A
Non-native species introduced into the system
More details -
Transition T2A
Channel incision occurs and water table lowered.
More details -
No transition or restoration pathway between the selected states has been described
Target ecosystem state
Select a state
State 1
Reference
Reference
Description
Obligate wetland species dominate the Reference State. The water table is typically within 20 to 40 inches of the ground surface allowing wet species to dominate. This site may or may not have a small channel in the bottom of the drainageway. The channel, when present, serves to move water down valley and typically does not experience high flows during peak runoff.
Submodel
Description
The Current Potential State is similar to the Reference State with the addition of non-native species, such as Kentucky bluegrass.
Submodel
Description
The Degraded State represents where there is a mix of native and non-native species that dominate the site. It is also typical for the site to have a channel in the bottom of the drainageway that may or may not have been present in reference condition. The channel is typically wider than in reference condition and at a lower elevation. The incision of the channel through the drainageway effectively dries the surrounding meadows. The Degraded State is typically caused by the shift in native vegetation to non-native vegetation and through improper grazing management.
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.
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