File:Nutrient-cycle hg.png

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Description	Grafic of the nutrient cycle in the marine realm
Date	20 June 2007
Source	Own work
Author	Hannes Grobe 19:13, 20 June 2007 (UTC), Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany
Permission ( Reusing this file)	Own work, share alike, attribution required (Creative Commons CC-BY-SA-2.5)

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