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The article includes the results obtained in the growth experiments during the postembryonic development period of the North American sturgeon species Polyodon spathula. The experiments took place in the years 2020 and 2021. Sturgeon larvae aged 5 days old, obtained through artificial reproduction at SCDP Nucet, were stocked and raised until the age of 35 days in two variants, in concrete tanks (useful volume -120 m3 /tank), located in the pilot station intended for fish culture experiments from the SCDP Nucet gen...

The largest aluminum factory in Eastern Europe is located near Slatina. Before Romania acceded to the EU in 2007, many environmental protection rules were omitted in this area. The paper analyzes the water table pollution along the Olt River for about 15 km. There are considered the tributary flows on the river, the concentration of discharged pollutants, and the pumping regime from the catchment front. It is built at about 500 m from the river, on the left bank, parallel to the river, and consists of 44 wells, of...