Published in Scientific Papers. Series "Management, Economic Engineering in Agriculture and rural development", Vol. 19 ISSUE 1
Written by Daniela PLEȘOIANU, Ștefana VEDEA

The study area is a unique zone called the Danube Delta. The name "delta" derives from the Greek "delta" because of its equilateral triangle shape. Inside this triangle there is a positive relief represented by beams and islands, as well as a negative relief such as canals, marshes, ponds, lakes or Danube arms. The research methods used the statistical data provided by the competent bodies, which were processed and analyzed. It used the computerized processing that generated tables and graphs.The delta hydrography is represented by the Danube's arms, lakes, ponds, marshes, lakes, ponds, canals and sahale. The lakes are distributed throughout the delta, and, as mentioned by P. Gâtestescu in 1969, are concentrated in several lacustral complexes: Sireasa, Storm, Pardina, Matiţa-Merhei, Dranov, Gorgova-Isac and Roşu-Puiu and Zătoanele. The 2005-2010 interval captures the lakes in the Danube Delta in a predominantly good ecological state for almost all chemical compounds, from oxygen, to copper, zinc, iron, nickel.

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