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Transgenic crops appear as a response to the concern of supplying the high food demand produced by population growth. In this regard, different authors have argued that transgenics contaminate traditional crops genetically, causing the loss of native agricultural biodiversity. Although the significance of this work does not contemplate the affectation of traditional crops, the importance of this type of study and its possible use for subsequent research is explained. The aim of this work was to determine the average distance reached by transgenic maize pollen grains in 2016 in the municipality of Tierralta, Cordoba, using the Hysplit® program. The results show that with a concentration of 10-9 mg/m3, the annual average distance reached by maize pollen grains was 581 m, recording the highest average in May with a value of 799 m, and the minimum average in March with a value of 474 m. The analysis of results considered that, at the beginning of 2016, Colombia was undergoing the 'El Nino' phenomenon, causing the maize pollen grains to travel less compared to a neutral year or one subjected to the 'La Nina' phenomenon. This is due to the weak winds that occurred in the Colombian Caribbean region. By contrast, in the event of a neutral year or one with the 'La Nina' phenomenon, the particles could have traveled more as the wind strength would have been above normal.

Modelo de dispersión de polen de maíz transgénico en el municipio de Tierralta (Córdoba, Colombia)