High Elevation Isomesic Desert
Scenario model
Current ecosystem state
Select a state
Management practices/drivers
Select a transition or restoration pathway
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Transition T1A
State 1 Reference transitions to State 2 Grazed and Browsed by reduction or loss of native species due to grazing and browsing by introduced or domestic ungulates and by invasion by introduced plant species.
More details -
Restoration pathway R2A
State 2 Grazed and Browsed may be restored to State 1 Reference State by excluding all ungulates. Spot weed removal must be done initially and continued in the long term. Missing native plant species can then be reintroduced.
More details -
No transition or restoration pathway between the selected states has been described
Target ecosystem state
Select a state
State 1
Reference State
Description
This state consists of one community phase. Much of this ecological site is of marginal value as grazing land. However, disturbance by introduced ungulates results in loss of native species or reductions in their abundance that cause this state to transition to State 2 Grazed and Browsed.
Submodel
State 2
Grazed and Browsed State
Description
This state consists of one community phase. It differs from State 1 Reference by having lower diversity and production of native species due to disturbance by ungulates and competition from introduced plant species.
Submodel
Mechanism
State 1 Reference transitions to State 2 Grazed and Browsed by reduction or loss of native species due to grazing and browsing by introduced or domestic ungulates and by invasion by introduced plant species.
Mechanism
State 2 Grazed and Browsed may be restored to State 1 Reference State by excluding all ungulates. Spot weed removal must be done initially and continued in the long term. Missing native plant species can then be reintroduced.
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.