Abstract:

The total As concentrations in about 10 different environmental samples from the Great Wall Station,Antarctica were determined,the distribution of total As in different envionmental mediums and a comparison with the As levels in other areas in the world were also discussed.The results show that,except lichen,moss and shellfish,in fresh water,seawater,fresh snow,sediments,surface soil and marine plants the total As concentrations are lowwer than the backgroud levels in the world.Lichen,moss and shellfish exhibit(show) a strong As concentrating ability.