Military Training on Semi-Arid Rangeland:

Assessment of potential training impacts on dominant soil types at Holloman Air Force Base


Please choose the soil type on which you would likely train with vehicles.

Characteristics: nearly 100% gypsum soil;  less than 200 m from active dunes;  little previous anthropogenic disturbance. Characterisitcs: an area of gypsum intergrading with silty, silica-based material; little previous anthropogenic disturbance. Characteristics: partially-indurated gypsum exposed at and near the soil surface; signs of previous disturbance.
Track disturbance was tested by driving a WWII-vintage jeep back and forth across test sites at speeds between 5 and 10 kph. Each point on each treated plot was run across twice by two wheels for a total of four wheel passes. Tire inflation pressure was kept standardized at approximately 15 psi. Track type training should be used with caution wherever it is located since it has the highest and longest lasting impact on all types of soil.

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