title: The airspace is habitat.
authors.affiliation: Northern Rocky Mountain Science Center, US Geological Survey, Bozeman, MT 59715, USA. rhdiehl@usgs.gov
authors.forename: Robert H
authors.initials: RH
authors.lastname: Diehl
mesh_terms: D000818:Animals; D001272:Atmosphere; D018407:Bacterial Physiological Phenomena; D001717:Birds / Q000502:physiology*; D002685:Chiroptera / Q000502:physiology*; D017753:Ecosystem; D005658:Fungi / Q000502:physiology; D007313:Insecta / Q000502:physiology*; D011058:Pollen / Q000502:physiology; D013170:Spores / Q000502:physiology