Physical responses of volcanic soils to land-use intensity in tropical headwater catchments of central Veracruz, Mexico

Nathaniel Thomas Looker1, Randy Kolka2, Heidi Asbjornsen3, Lyssette Munoz-Villers4, Perla Ortiz Colin5, León Rodrigo Gómez Aguilar5 and Aspen Brook Ward6, (1)Stanford University, Stanford, United States, (2)U.S. Forest Service, Northern Research Station, Grand Rapids, MN, United States, (3)University of New Hampshire, Durham, NH, United States, (4)Universidad Nacional Autonoma de Mexico, Centro de Ciencias de la Atmósfera, Mexico City, Mexico, (5)Instituto de Ecologia, Ecologia Funcional, Xalapa, Mexico, (6)University of Minnesota Twin Cities, Dept. of Soil, Water, and Climate, St. Paul, MN, United States