Nutrient salts as a possible indicator of urban pollution of the Adriatic coastal waters

Abstract

       Four Adriatic areas have been described and the evidence is given that the coastal industrial towns discharge into the sea large quantities of the sewage. This material is distributed thus that the level of pollution is higher in waters of the stations which are closer to the coast than at those placed more offshore. The higher or lower degree of polluion of the sea is repre­sented in this paper by the higher or lower level of phosphate or nitrogen compounds in the sea.

        It has been shown that even though the stations are at the same or similar distance from the coast they are not polarized if there is not any larger town on the coast.