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Multi-community effects of organic and conventional farming practices in vineyards

Abstract : Understanding the response of biodiversity to organic farming is crucial to design more sustainable agriculture. While it is known that organic farming benefits biodiversity on average, large variability in the effects of this farming system exists. Moreover, it is not clear how different practices modulate the performance of organic farming for biodiversity conservation. In this study, we investigated how the abundance and taxonomic richness of multiple species groups responds to certified organic farming and conventional farming in vineyards. Our analyses revealed that farming practices at the field scale are more important drivers of community abundance than landscape context. Organic farming enhanced the abundances of springtails (+ 31.6%) and spiders (+ 84%), had detrimental effects on pollinator abundance (− 11.6%) and soil microbial biomass (− 9.1%), and did not affect the abundance of ground beetles, mites or microarthropods. Farming practices like tillage regime, insecticide use and soil copper content drove most of the detected effects of farming system on biodiversity. Our study revealed varying effects of organic farming on biodiversity and clearly indicates the need to consider farming practices to understand the effects of farming systems on farmland biodiversity.
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Contributor : Marion Desailly <>
Submitted on : Thursday, July 8, 2021 - 10:20:28 AM
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Noémie Ostandie, Brice Giffard, Olivier Bonnard, Benjamin Joubard, Sylvie Richart-Cervera, et al.. Multi-community effects of organic and conventional farming practices in vineyards. Scientific Reports, Nature Publishing Group, 2021, 11 (1), pp.1-10. ⟨10.1038/s41598-021-91095-5⟩. ⟨hal-03281314⟩



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