title: Conservation biology: biodiversity barometers.
authors.forename: Thomas
authors.initials: T
authors.lastname: Brooks
authors.forename: Elizabeth
authors.initials: E
authors.lastname: Kennedy
mesh_terms: D000818:Animals; D044822:Biodiversity; D001717:Birds / Q000502:physiology; D003247:Conservation of Natural Resources / Q000331:legislation & jurisprudence / Q000379:methods* / Q000639:trends; D016208:Databases, Factual; D004463:Ecology / Q000295:instrumentation* / Q000379:methods* / Q000458:organization & administration; D017753:Ecosystem; D004777:Environment; D005843:Geography; D007391:International Cooperation; D009584:Nitrogen / Q000032:analysis; D012306:Risk; D012680:Sensitivity and Specificity; D013997:Time Factors
chemical_list: D009584:Nitrogen