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Portrait of Henrik Smith. Photo.

Henrik Smith

Professor

Portrait of Henrik Smith. Photo.

Combined effects of agrochemicals and ecosystem services on crop yield across Europe

Author

  • Vesna Gagic
  • David Kleijn
  • András Báldi
  • Gergely Boros
  • Helene Bracht Jørgensen
  • Zoltán Elek
  • Michael P. D. Garratt
  • G. Arjen de Groot
  • Katarina Hedlund
  • Anikó Kovács-Hostyánszki
  • Lorenzo Marini
  • Emily A. Martin
  • Ines Pevere
  • Simon G. Potts
  • Sarah Redlich
  • Deepa Senapathi
  • Ingolf Steffan-Dewenter
  • Stanislaw Świtek
  • Henrik G. Smith
  • Viktória Takács
  • Piotr Tryjanowski
  • Wim H. van der Putten
  • Stijn van Gils
  • Riccardo Bommarco
Show all

Summary, in English

Simultaneously enhancing ecosystem services provided by biodiversity below and above ground is recommended to reduce dependence on chemical pesticides and mineral fertilisers in agriculture. However, consequences for crop yield have been poorly evaluated. Above ground, increased landscape complexity is assumed to enhance biological pest control, whereas below ground, soil organic carbon is a proxy for several yield-supporting services. In a field experiment replicated in 114 fields across Europe, we found that fertilisation had the strongest positive effect on yield, but hindered simultaneous harnessing of below- and above-ground ecosystem services. We furthermore show that enhancing natural enemies and pest control through increasing landscape complexity can prove disappointing in fields with low soil services or in intensively cropped regions. Thus, understanding ecological interdependences between land use, ecosystem services and yield is necessary to promote more environmentally friendly farming by identifying situations where ecosystem services are maximised and agrochemical inputs can be reduced.

Department/s

  • BECC: Biodiversity and Ecosystem services in a Changing Climate
  • Biodiversity
  • Soil Ecology
  • Centre for Environmental and Climate Science (CEC)
  • Biodiversity and Conservation Science

Publishing year

2017-11-01

Language

English

Pages

1427-1436

Publication/Series

Ecology Letters

Volume

20

Issue

11

Document type

Journal article (letter)

Publisher

Wiley-Blackwell

Topic

  • Ecology
  • Environmental Sciences related to Agriculture and Land-use

Keywords

  • Agricultural intensification
  • biological pest control
  • ecological intensification
  • fertilisers
  • insecticides
  • landscape complexity
  • soil organic carbon
  • yield loss

Status

Published

Project

  • LInking farmland Biodiversity to Ecosystem seRvices for effective

Research group

  • Soil Ecology
  • Biodiversity and Conservation Science

ISBN/ISSN/Other

  • ISSN: 1461-023X