title: Barometer of life: sampling.
authors.forename: Ben
authors.initials: B
authors.lastname: Collen
authors.forename: Jonathan E M
authors.initials: JE
authors.lastname: Baillie
mesh_terms: D000818:Animals; D044822:Biodiversity; D003247:Conservation of Natural Resources / Q000706:statistics & numerical data*; D056727:Endangered Species / Q000706:statistics & numerical data* / Q000639:trends; D010944:Plants