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The fish farming infrastructure in the Danube Delta, including the Popina Fish Farm Enclosure, has been significantly impacted by environmental factors, particularly due to climate change. Located in the northeastern part of the Danube Delta Biosphere Reserve, near the Chilia arm and the Black Sea, this enclosure once played an important role in aquaculture activities. Currently, the main threat to the area is the high water levels of the Chilia arm, which place constant pressure on the protective dykes, increasin...

Rural areas and infrastructure in the Danube Delta are affected by natural disasters, and the frequency and severity of hydrological phenomena are increasing due to climate change. The rural areas of the Danube Delta experience significant flooding due to the high levels of the Danube, often resulting from quantitatively significant precipitation. The protection dyke system related to the Danube River is most often affected by floods that sometimes lead to the failure of the dykes. Dyke failure is noted by the app...

Since ancient times, mankind has tried to establish a causality of the phenomena that occur in the surrounding world, to find solutions and answers. Floods are widespread in the Danube Delta they cause great material damage and loss of human life and important consequences. The production of floods in the Danube Delta is due to the entry into the Danube of large amounts of water from rains, from the sudden melting of snow and mountain glaciers, as well as from underground water sheets. Deforestation favors the rap...

From a geological point of view, Dobrogea presents a wide variety of rocks specific to all three major petrological categories. Plutonic magmatic rocks are found especially in the Macin Mountains, in the form of granites or granodiorites, rarely diorites. Basaltic volcanic igneous rocks are mainly found in the Niculi?el Hills. Metamorphic rocks outcrop in the South of Tulcea County as Micaschists, on the border with Constan?a County, in the well-known Altan-Tepe mining area, but also isolated, to the Southwest of ...