title: Tree physiology and bark beetles.
authors.affiliation: Natural Resources Ecology Laboratory and Graduate Degree Program in Ecology, Colorado State University, Fort Collins, CO 80523-1499, USA.|USDA Forest Service, Rocky Mountain Research Station, Fort Collins, CO, 80521, USA.
authors.forename: Michael G
authors.initials: MG
authors.lastname: Ryan
authors.affiliation: Division of Biological Sciences, The University of Montana, Missoula, MT, 59812, USA.
authors.forename: Gerard
authors.initials: G
authors.lastname: Sapes
authors.affiliation: Division of Biological Sciences, The University of Montana, Missoula, MT, 59812, USA.
authors.forename: Anna
authors.initials: A
authors.lastname: Sala
authors.affiliation: Division of Biological Sciences, The University of Montana, Missoula, MT, 59812, USA.
authors.forename: Sharon M
authors.initials: SM
authors.lastname: Hood
mesh_terms: D000818:Animals; D001517:Coleoptera / Q000502:physiology*; D028222:Picea / Q000469:parasitology*; D024301:Plant Bark / Q000469:parasitology*; D010935:Plant Diseases / Q000469:parasitology*; D014867:Water / Q000378:metabolism*
chemical_list: D014867:Water
keywords: drought; induced defense; irruptive bark beetles; resin production; tree mortality