Fig. 8

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Principaux flux nets d’azote total contenu dans les denrées agricoles entre territoires agricoles. Sauf mention explicite, l’épaisseur des flèches est proportionnelle à l’importance du flux, mais seuls les flux supérieurs à 2 ktN/an sont représentés. En fond de carte est indiqué par un code couleur le bilan des échanges nets d’azote alimentaire par unité de SAU totale de chaque région.
Main net fluxes of total protein nitrogen in agricultural commodities exchanged between agricultural territories. Unless explicitly stated, the width of the arrows is proportional to the flux intensity, but only fluxes higher than 2 ktonN/yr are represented. Total protein production per unit of total agricultural surface is indicated by a colour scale.
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