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Beryllium-7 in lichens (Usnea antarctica Du Rietz) colllected in the Machu Picchu Antarctic Scientific Station during the austral summer 2012-2013
(Lima, 2013-11-12)
The presence of Be-7 in Antarctic lichens is verified with an increase in their levels of
concentration, showing an average derived activity 423,13 ± 80,39 Bq/kg for 2013.
Because of the good capability of incorporation ...
Enrichment factors of elements in lichens from the Machu Picchu Antarctic Scientific Station (2013)
(Instituto Peruano de Energía Nuclear, 2013-11-20)
To evaluate properly the extent of accumulation and movement of toxic substances in the environment there must be reliable of their present and past concentrations. The purpose of one project at the IPEN Antarctic Program ...