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The Phosphorus Cycle Fe Mark Gorenc Mason Edwards 998 330 14 20 980 310 58.

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Presentation on theme: "The Phosphorus Cycle Fe Mark Gorenc Mason Edwards 998 330 14 20 980 310 58."— Presentation transcript:

1 The Phosphorus Cycle Fe Mark Gorenc Mason Edwards 998 330 14 20 980 310 58

2 Background Important for life functions Building block of bones and teeth in apatite Binds DNA and RNA Limiting factor in plants Human use of fertilizer Peak Phosphorus

3 The Numbers Residence Time = Reservoir Capacity / Flux ReservoirMass (Tg)Flux (Tg/yr)Residence Time (yr) Sediments 2 x 10 9 201 x 10 8 Soils 2 x 10 5 330606 Shallow Waters 1 x 10 5 998100 Mineable 1 x 10 4 14718 Deep Waters 2.8 x 10 3 5848 Land Biota 2.6 x 10 3 3108.4 Water Biota 449800.045


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