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Ecological site DX032X01A145

Saline Upland Sandy (SUS) Big Horn Basin Core

Home / Esd catalog / MLRA 032X / Ecological site DX032X01A145
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T1-2 - Drought or shifts in timing of precipitation alone, or with frequent and/or severe grazing, will transition this site from a bunchgrass dominated to a tillering grass dominated community.
T1-3 - Ground disturbances, with a seed source present, open this canopy to invasive species such as cheatgrass. Drought and frequent and severe grazing can expedite the transition.
T2-3 - Ground and canopy disturbances with a seed source present allow the establishment of invasive species in the community. Disturbances can include drought, continuous season-long grazing, and/or recreation.
R3-4 - Integrated pest management (weed control), seedbed preparation and seeding, with long term management post treatment are needed to restore the invaded community so a near reference community.
T4-3 - Drought, frequent and severe grazing, with on going ground disturbances with introduction of a seed source can revert this state to an invaded state.
CP1.1-1.2 - Moderate to severe season-long grazing with drought will shift the plant community from mid-stature to more short-stature bunchgrasses.
CP1.2-1.1 - Implementation of a long-term grazing management system including rest or deferred rotation allows for recovery of the key herbaceous plant species.

State 2 submodel, plant communities

CP3.1-3.2 - Continued disturbance compounded by drought leave this community susceptible to further invasion, especially when no weed management or change in management occurs.
CP3.2-3.1 - An early response to weed infestation with a shift in management and application of weed control will assist the remnant population of native herbaceous species to recover in the community.

State 4 submodel, plant communities