Impact of alternative information requirements on the coexistence of genetically modified (GM) and non-GM oilseed rape in the EU |
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| Institution: | 1. School for Resource and Environmental Studies, Dalhousie University, Kenneth C. Rowe Management Bldg, 6100 University Avenue, Suite 5010, P. O. Box 15000, Halifax, NS B3H 4R2, Canada;2. Department of Environmental Sciences, Dalhousie University, Agriculture Campus, PO Box 550, Truro, NS B2N 5E3, Canada;3. College of Sustainability, Dalhousie University, 1459 LeMarchant St., PO BOX 15000, Halifax, NS B3H 4R2, Canada;1. INRA, AGIR, Université de Toulouse, INRA, INPT, INP-EI PURPAN, 31320 Castanet Tolosan, France;2. Unité BIA (Interactions, Assemblages), INRA, 44316 Nantes, France;3. ADEME, Agence de l''Environnement et de la Maîtrise de l''Energie, 49000 Angers, France;4. Unité de Recherche LEVA, SFR 4207 QUASAV, Université Bretagne Loire, Ecole Supérieure d''Agricultures (ESA), 49007 Angers, France;5. Agroécologie, AgroSup Dijon, CNRS, INRA, Univ. Bourgogne Franche-Comté, 21000 Dijon, France;6. INRA, UMR Agronomie, INRA, AgroParisTech, Université Paris-Saclay, 78850 Thiverval-Grignon, France;7. INRA, UMR SADAPT, INRA, AgroParisTech, Université Paris-Saclay, 78850 Thiverval-Grignon, France;8. INRA, UMR Nutrition Humaine, 63000 Clermont-Ferrand, France |
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| Abstract: | We use spatial simulation techniques to estimate both cross pollination damages and net producer benefit from genetically modified (GM) oilseed rape under alternative information requirements about individual farmers' cropping plans. Simulations were carried out for two study regions in Germany. The results suggest that, especially in landscapes with small plots, information requirements implemented in most EU Member States may result in inefficient coexistence to the extent that GM farmers lack important information to adjust their cropping plans to non-GM rape farmers' crop choices. We conclude that, in such fragmented landscapes, more comprehensive information requirements which oblige both GM and non-GM farmers to announce their cropping plans can: (1) substantially increase producer benefits, (2) reduce cross pollination damages and dispute and thus (3) contribute to the local diffusion of GM varieties. |
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