title: Ecosystems: The grand (canyon) experiment.
authors.forename: Elizabeth
authors.initials: E
authors.lastname: Pennisi
mesh_terms: D000818:Animals; D001130:Arizona; D003247:Conservation of Natural Resources; D017753:Ecosystem; D004777:Environment; D005399:Fishes; D019015:Geologic Sediments; D045483:Rivers; D012908:Snails; D014872:Water Movements