Mark Weltz
Rangeland Hydrologist, US Department of Agriculture Agricultural Research Service

Dr. Mark Weltz is a rangeland researcher with primary interests in approaches, methodologies, models, and databases to produce scientifically credible estimates of the environmental impacts of rangeland management practices on water quality and quantity, water erosion, and salinity mobilization and transport at both hillslope (plant community) and watershed scales.

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Analysis of field sampling and remote sensing data gives important insights into the potential for expanding beef cattle grazing and the challenges.