title: Energy flow and the "grassification" of desert shrublands.
authors.affiliation: US Geological Survey, Reston, VA 20194 jlbetanc@usgs.gov.
authors.forename: Julio L
authors.initials: JL
authors.lastname: Betancourt
mesh_terms: D000818:Animals; D059552:Caves; D017753:Ecosystem; D004734:Energy Metabolism; D006802:Human Activities; D006801:Humans; D008322:Mammals / Q000502:physiology*