Targeted agri-environment schemes significantly improve the population size of common farmland bumblebee species

Molecular Ecology
Thomas J WoodDave Goulson

Abstract

Changes in agricultural practice across Europe and North America have been associated with range contractions and local extinction of bumblebees (Bombus spp.). A number of agri-environment schemes have been implemented to halt and reverse these declines, predominantly revolving around the provision of additional forage plants. Although it has been demonstrated that these schemes can attract substantial numbers of foraging bumblebees, it remains unclear to what extent they actually increase bumblebee populations. We used standardized transect walks and molecular techniques to compare the size of bumblebee populations between Higher Level Stewardship (HLS) farms implementing pollinator-friendly schemes and Entry Level Stewardship (ELS) control farms. Bumblebee abundance on the transect walks was significantly higher on HLS farms than ELS farms. Molecular analysis suggested maximum foraging ranges of 566 m for Bombus hortorum, 714 m for B. lapidarius, 363 m for B. pascuorum and 799 m for B. terrestris. Substantial differences in maximum foraging range were found within bumblebee species between farm types. Accounting for foraging range differences, B. hortorum (47 vs 13 nests/km(2) ) and B. lapidarius (45 vs 22 nests/km(2) ) were ...Continue Reading

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Citations

May 25, 2016·The Science of the Total Environment·Cristina BotíasDave Goulson
Aug 16, 2016·Environmental Toxicology and Chemistry·Pernille ThorbekHelen M Thompson
Mar 16, 2017·Nature·Claire CarvellMatthew S Heard
Jan 11, 2017·Journal of Economic Entomology·E M VenturiniL B Stack
Sep 6, 2018·Ecological Applications : a Publication of the Ecological Society of America·T J WoodR Isaacs
Oct 4, 2018·The Journal of Animal Ecology·Thomas HovestadtAndrea Holzschuh
Jan 27, 2019·Ecology and Evolution·Jessica L KnappJuliet L Osborne
Jul 15, 2016·Ecological Applications : a Publication of the Ecological Society of America·John W RedheadClaire Carvell
Feb 26, 2019·Ecology and Evolution·Liam P CrowtherAndrew F G Bourke
Oct 15, 2019·Annual Review of Entomology·Sydney A Cameron, Ben M Sadd
Nov 24, 2019·Scientific Reports·Alistair John CampbellTereza Cristina Giannini
Nov 14, 2020·Ecological Applications : a Publication of the Ecological Society of America·Charlie C NicholsonTaylor H Ricketts
Aug 22, 2017·Current Opinion in Insect Science·Jane E Ogilvie, Jessica Rk Forrest
Mar 8, 2020·Current Opinion in Insect Science·Diane M Thomson, Maureen L Page
Aug 17, 2020·Environmental Research·Elena ZiogaJane C Stout
Nov 30, 2020·Journal of Invertebrate Pathology·Lena WilfertVincent Doublet
Apr 28, 2021·Journal of Environmental Management·J T StaleyR F Pywell
Oct 13, 2021·Journal of Mathematical Biology·Pau Capera-AragonesRebecca C Tyson

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