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The map was derived using measured TON data as this was the<\/SPAN> <\/SPAN>most spatially and temporally complete dataset. In Southland TON and nitrate-nitrogen (NO3-<\/SPAN>N) are generally equivalent and comparable because NO3-N makes up the majority of TON in<\/SPAN>most groundwaters. On this basis TON is used as a proxy for NO3-N concentration. An<\/SPAN> <\/SPAN>understanding of how concentrations vary across the region is important to <\/SPAN>E<\/SPAN>nvironment<\/SPAN> <\/SPAN>Southland (ES) because groundwater NO3-N potentially impacts on the supply of potable water<\/SPAN> <\/SPAN>and on ecosystems.<\/SPAN><\/P>

Report: Spatial model of groundwater total oxidised nitrogen concentration for the Southland region<\/SPAN><\/P>

https://contentapi.datacomsphere.com.au/v1/h%3Aes/repository/libraries/id:26gi9ayo517q9stt81sd/files/id:2mavenlsd17q9snaqe53<\/SPAN><\/SPAN><\/A><\/P>

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