School of Forestry, Northern Arizona University, PO Box 15018, Flagstaff, az 86011, United States
School of Forestry, Northern Arizona University, PO Box 15018, Flagstaff, az 86011, United States
School of Forestry, Northern Arizona University, PO Box 15018, Flagstaff, az 86011, United States ; Merriam-Powell Center for Environmental Research, Northern Arizona University, flagstaff, az 86011, United States
School of Forestry, Northern Arizona University, PO Box 15018, Flagstaff, az 86011, United States
Crop & Soil Sciences Department, The Pennsylvania State University, university park, pa 16802, United States
School of Forestry, Northern Arizona University, PO Box 15018, Flagstaff, az 86011, United States ; Merriam-Powell Center for Environmental Research, Northern Arizona University, flagstaff, az 86011, United States
Department of Biological Sciences, Northern Arizona University, flagstaff, az 86011, United States ; Merriam-Powell Center for Environmental Research, Northern Arizona University, flagstaff, az 86011, United States
Department of Biological Sciences, Northern Arizona University, flagstaff, az 86011, United States ; Merriam-Powell Center for Environmental Research, Northern Arizona University, flagstaff, az 86011, United States