English: Map of Limes in Serbia, Romania and Bulgaria (Donaulimes/system of fortifications representing the boundary of Roman control ; shoreline of the time since Liviu Giosan, et al., “Young Danube delta documents stable Black Sea level since the middle Holocene: Morphodynamic, paleogeographic, and archaeological implications.” Geology 34.9 (2006), 757-760 and “Early Anthropogenic Transformation of the Danube-Black Sea System”, Scientific Reports 2 (2012), 10.1038/srep00582; Luminiţa Preoteasa, et al., “Coastal changes from open coast to present lagoon system in Histria region (Danube Delta).” Journal of Coastal Research 65 (2013), 564-569; Filip Florin, Liviu Giosan, “Evolution of Chilia lobes of the Danube delta: Reorganization of deltaic processes under cultural pressures”. Anthropocene 5 (2014), 65–70; Guénaëlle Bony, et al., “History and influence of the Danube delta lobes on the evolution of the ancient harbour of Orgame (Dobrogea, Romania)”. Journal of Archaeological Science 61 (2015), 186-203; Luminiţa Preoteasa, et al., “The evolution of an asymmetric deltaic lobe (Sf. Gheorghe, Danube) in association with cyclic development of the river-mouth bar: Long-term pattern and present adaptations to human-induced sediment depletion”, Geomorphology 253 (2016), 59–73.