Abstract

Agricultural intensification drives biodiversity loss and shapes farmers’ profit, but the role of legacy effects and detailed quantification of ecological–economic trade-offs are largely unknown. In Europe during the 1950s, the Eastern communist bloc switched to large-scale farming by forced collectivization of small farms, while the West kept small-scale private farming. Here we show that large-scale agriculture in East Germany reduced biodiversity, which has been maintained in West Germany due to >70% longer field edges than those in the East. In contrast, profit per farmland area in the East was 50% higher than that in the West, despite similar yield levels. In both regions, switching from conventional to organic farming increased biodiversity and halved yield levels, but doubled farmers’ profits. In conclusion, European Union policy should acknowledge the surprisingly high biodiversity benefits of small-scale agriculture, which are on a par with conversion to organic agriculture.

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Acknowledgements

This paper is the product of the project ‘Biodiversity and associated ecosystem services in small- vs. large-scale agriculture’ by the German Research Foundation (DFG BA 4438/1-1). We are grateful to L. Ádám for the identification of rove beetles, and to D.W. Crowder, A. Iverson and D. Kleijn for valuable comments on the manuscript. P.B. was supported by the Economic Development and Innovation Operational Programme of Hungary (GINOP–2.3.2–15–2016–00019).

Author information

Affiliations

  1. Agroecology, University of Goettingen, Grisebachstraße 6, 37077, Göttingen, Germany

    • Péter Batáry
    • , Róbert Gallé
    • , Friederike Riesch
    • , Silvia Fusaro
    • , Christoph Gayer
    • , Anne-Kathrin Happe
    • , Kornélia Kurucz
    • , Dorottya Molnár
    • , Verena Rösch
    •  & Teja Tscharntke
  2. GINOP Sustainable Ecosystems Group, MTA Centre for Ecological Research, Klebelsberg Kuno utca 3, 8237, Tihany, Hungary

    • Péter Batáry
  3. Department of Ecology, University of Szeged, Közép fasor 52, 6726, Szeged, Hungary

    • Róbert Gallé
    •  & Péter Császár
  4. Institute of Grassland Science, University of Goettingen, von-Siebold-Straße 8, 37075, Göttingen, Germany

    • Friederike Riesch
  5. Restoration Ecology, Department of Ecology and Ecosystem Management, Technische Universität München, Emil-Ramann-Straße 6, 85354, Freising, Germany

    • Christina Fischer
  6. Biometry and Environmental System Analysis, University of Freiburg, Tennenbacher Straße 4, 79106, Freiburg, Germany

    • Carsten F. Dormann
  7. Department of Agricultural Economics and Rural Development, University of Goettingen, Platz der Göttinger Sieben 5, 37073, Göttingen, Germany

    • Oliver Mußhoff
  8. Department of Biology, Padua University, via Ugo Bassi 58, 35121, Padua, Italy

    • Silvia Fusaro
  9. Environment and Urban Planning, University of Applied Science Nürtingen-Geislingen, Schelmenwasen 4-8, 72622, Nürtingen, Germany

    • Christoph Gayer
  10. Ecological Networks, Technical University Darmstadt, Schnittspahnstraße 3, 64287, Darmstadt, Germany

    • Anne-Kathrin Happe
  11. Szentágothai Research Centre, University of Pécs, Ifjúság útja 20, 7624, Pécs, Hungary

    • Kornélia Kurucz
  12. Institute for Environmental Science, University of Koblenz-Landau, Fortstraße 7, 76829, Landau, Germany

    • Verena Rösch
  13. Plant Ecology and Ecosystem Research, University of Goettingen, Untere Karspüle 2, 37073, Göttingen, Germany

    • Alexander Wietzke

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Contributions

P.B. and T.T. conceived the study; P.B., C.F., O.M. and T.T. developed the study; P.B., R.G., F.R., S.F., C.G., A.-K.H., K.K., D.M., V.R. and A.W. collected data; R.G. and P.C. identified arthropods; P.B. analysed data with substantial input from C.F.D.; and P.B. wrote the paper with substantial input from all authors.

Competing interests

The authors declare no competing financial interests.

Corresponding author

Correspondence to Péter Batáry.

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DOI

https://doi.org/10.1038/s41559-017-0272-x