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Phosphorus flows in the food production–consumption chain of the European Union (EU15) for 2006–2008. Flows are indicated by arrows, and pools and stocks are indicated by boxes. The size of flows, stocks, and pools are presented in Gg P yr−1. The size of the arrows indicates the relative size of the flow; imports are in blue, exports are in purple, losses are in red, sectors are in green, and the hydrosphere is in light blue (adapted from Ott and Rechberger 2012)
