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In the current context of rapid economic growth of eastern and south-eastern European countries, the pressure exerted on the environment is in certain cases considerable, having repercussions that are not easily assessable and remediable. The Bistroe navigation channel is a Ukrainian investment within the Danube Delta Biosphere Reserve; its objectives are reducing navigation expenses for the Ukrainian fleet and lowering the country’s unemployment rate. According to Ukraine officials, the losses caused by the use...

The reservoirs created behind dams built on the main interior rivers of Romania as well as on the Danube have increased the country’s available volume of usable water. The reservoirs’ location and the way they were managed resulted in a decrease of the retention capacity, due to large quantities of sediments accumulated in these lakes. The reservoirs on the rivers Bistriţa, Buzău, Ialomiţa, Argeş and Olt have been affected the worst by the silting process. On average, the values range from 0 - 25\% of the ...