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Why I have been asked to speak today? ,[object Object],[object Object],[object Object],[object Object],[object Object]
Events Monitoring – When sediment, nutrients & herbicides enter the river
Sediments - Loads
Tracing P in river sediments for target setting. ,[object Object],[object Object],[object Object],[object Object]
How does P get into sediment? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Iron bound P
Organic bound P
Soil Bacteria: C/N ratio of 17-8 in fungal & bacterial biomass (Swift et al., 1979) Redfield C/N in phytoplankton = 6.6 – 7 Fine Particulate Organic Matter = 8 - 267
The role of carbon in Australian Rivers and Floodplains
Eucalyt carbon
Pasture carbon
Aquatic plant Carbon
Where is Phosphorus enriched in river sediment?
Soil loss ,[object Object]
Wetlands can help…
Be aware of over-topping of fine sediment and soluble nutrients
 

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Phosphorus in the Mary and vulnerability of storages to