Distances Needed to Limit Cross-fertilization between GM and Conventional Maize in Europe
This letter shows that unnecessary large isolation distances may restrict farmers' freedom of choice to cultivate GM varieties given the particularities of European landscapes. For the first time we perform a statistical meta-analyses of over 1000 observations on maize gene flow in Europe. Taking into account the results obtained by several statistical approaches, we conclude that separation distances of 20-30 m are enough to keep out-crossing below legal thresholds (0.9 % in the EU). We conclude that mandatory distances established by some European countries (up to 800 m) may be disproportionate to the desired policy objective.
RIESGO Laura;
AREAL Francisco José;
SANVIDO Olivier;
RODRIGUEZ CEREZO Emilio;
2010-08-24
NATURE PUBLISHING GROUP
JRC57118
1087-0156,
http://www.nature.com/nbt/journal/v28/n8/abs/nbt0810-780.html,
https://publications.jrc.ec.europa.eu/repository/handle/JRC57118,
10.1038/nbt0810-780,
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