Distribution of Po in the trophic levels of a brackish lagoon in Uruguay.

An extensive study on Po was conducted at Castillos Lagoon, a shallow brackish lagoon on the east coast of Uruguay, aiming to determine the activity concentrations of Po in various compartments and to derive the activity fluxes among them. The activity concentration of Po was determined in water, sediments, six different species of fishes, crabs, shrimps, phytoplankton, and zooplankton. Po was determined using alpha spectrometry, performing radiochemical separation and self-deposition on silver disc.

Po levels and distribution in different environmental compartments from a coastal lagoon. The case of Briozzo lagoon, Uruguay.

This paper presents the levels and distribution of Po in different compartments of a coastal lagoon on the east coast of Uruguay (South America). Activity concentrations of Po have been obtained in different matrices, such as water, superficial sediments, clams (Diplodon sp.), freshwaters snails (Pomacea sp.