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Artenvielfalt auf biologischen und nicht-biologischen Landwirt- schaftsbetrieben in zehn europäischen Regionen

Résumé : One of the aims of organic farming is the protection of biodiversity. In the EU FP7 project BioBio, we studied the effect of organic farming on species numbers at farm level on 169 randomly selected organic and non-organic farms with mostly low to medium intensity in ten European regions. Using a preferential sampling scheme based on habitat mapping, numbers of plants, earthworms, spiders and bees were assessed at farm level. A global analysis across the ten regions shows that organic farms have significantly higher numbers of plant and bee species than non-organic farms. The effect of organic farming on earthworm and spider species numbers are also positive but insignificant. The effects in absolute terms are small and much smaller than the variation between individual farms. Currently ongoing analyses aim at identifying the important driving factors for farmland biodiversity.
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Submitted on : Tuesday, April 18, 2017 - 12:08:10 PM
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  • HAL Id : hal-01509641, version 1
  • OATAO : 16328
  • PRODINRA : 254524

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Manuel K. Schneider, Gisela Lüscher, Philippe Jeanneret, Michaela Arndorfer, Debra Bailey, et al.. Artenvielfalt auf biologischen und nicht-biologischen Landwirt- schaftsbetrieben in zehn europäischen Regionen. 12. Fachwissenschaftliche Tagung zum Ökologischen Landbau "Ideal und Wirklichkeit - Perspektiven ökologischer Landbewirtschaftung", Mar 2013, Bonn, Germany. pp. 382-385. ⟨hal-01509641⟩

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