Here are two distribution maps showing areas prone to trace element deficiencies of selenium and cobalt in Australia.
NB: trace element levels can vary markedly within local areas, so the maps presented should be considered as a guide only.
Selenium deficiency
This map highlights the main regions where selenium deficiencies occur. It is a guide only and does not cover all incidences of selenium deficiency.
Areas where livestock may be at risk from selenium deficiency or toxicity;
Source: Judson, GJ and Reuter, DJ ‘Selenium’, in KI Peverill, LA Sparrow and DJ Reuter (eds), Soil Analysis: An Interpretation Manual, Melbourne: CSIRO Publishing, 1999; 325–329.
Cobalt deficiency
The map below highlights the main regions where cobalt deficiencies commonly occur. This is a guide only and does not cover all incidences of cobalt deficiency.
Areas where livestock may be at risk from cobalt deficiency
Source: Peverill, KI and Judson, GJ ‘Cobalt’ in KI Peverill, LA Sparrow and DJ Reuter (eds), Soil Analysis: An Interpretation Manual, Melbourne: CSIRO Publishing, 1999; 319–323.


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