Deciphering the altitudinal context of land-use effects on volcanic ash soils in Veracruz, Mexico

Nathaniel Thomas Looker, University of Minnesota - Twin Cities, Soil, Water, and Climate, St. Paul, MN, United States, Randy Kolka, USDA Forest Service Northern Research Station, Grand Rapids, MN, United States and Edward A Nater, University of Minnesota - Twin Cities, Soil, Water, and Climate, St Paul, MN, United States