More than 75 Percent Decline over 27 Years in Total Flying Insect Biomass in Protected Areas

by Andreas Muller; Caspar A. Hallmann; Dave Goulson; Eelke Jongejans; Hans de Kroon; Heinz Schwan; Henk Siepel; Hubert Sumser; Martin Sorg; Nick Hofland; Thomas Horren; Werner Stenmans

Oct 18, 2017