a classical power plant with another dam, but was planned to use the hydro-electrical potential of the already existing Lake Đerdap. The reversible hydro plant was projected in the vicinity of Donji Milanovac, on the park territory in the Pesače section. The original projects are from the late 1960s, when Đerdap I was still in construction. Some preparatory works have been done in the 1970s on the location of Debelo Brdo, upstream of the mouth of the Boljetinska reka into the lake, but the idea was abandoned due to the worsening of the economic situation in Yugoslavia in the late 1970s and the power plant was never built. The concept envisioned the lifting of the lake water by the pumps from the height of , to the projected pools of Pesača and Brodica, with the capacity of , and only in the periods of the electricity surplus. During the dry or winter periods, Đerdap II would work as the classical hydro plant but using only stored waters which would fall for onto the turbines. As the entire facility and the auxiliary objects would be built on the bank of the Danube, it would be cheaper than building them on the land, as in thermo-electrical plants, and it would have twice the capacity of the Đerdap I or Kostolac thermal plant. The plant would produce 2,400 megawatts of electricity, which would cover the present consumption in the state and made Serbia an exporter of the electricity. Also, due to the mechanism of the electricity production, it wouldn't have negative consequences on the park's eco-system. Wildlife Plants Some 1,100 plant species inhabit the park. The include Tertiary relicts like Turkish hazel, walnut tree, European yew, largeleaf linden, downy oak and European holly. The Đerdap's tulip (Tulipa hungarica Borbás), became extinct after the reservoir was formed. Out of 15 species which can be found only on the Balkans are Pančić's maple and certain species of heartsease, wild thyme and meadow fescue. There are also Carpathian endemites like sweet carrot and Seseli rigidum. Internationally protected are floating fern, Fritillaria degeniana, water caltrop, Bulbophyllum loroglossum and cat grass. There are 57 forest communities found in the park, of which 40 are relict. Relict species include Turkish hazel, Balkan beech, Oriental beech, European bladdernut, Balkan maple and common walnut, which can be traced in the area from the Tertiary. Animals The park is also a home