title: Ecology. Naturalists' surveys show that British butterflies are going, going.
authors.forename: Elizabeth
authors.initials: E
authors.lastname: Pennisi
mesh_terms: D000818:Animals; D044822:Biodiversity; D001717:Birds; D002080:Butterflies; D017753:Ecosystem; D010944:Plants; D011156:Population Density; D011157:Population Dynamics; D006113:United Kingdom