Three Gorges Dam freshwater and terrestrial animal species. Freshwater fish are especially affected by dams due to changes in the water temperature and flow regime. Many other fish are hurt in the turbine blades of the hydroelectric plants as well. This is particularly detrimental to the ecosystem of the region because the Yangtze River basin is home to 361 different fish species and accounts for twenty-seven percent of all endangered freshwater fish species in China. Other aquatic species have been endangered by the dam, particularly the baiji, or Chinese river dolphin, now extinct. In fact, Government Chinese scholars even claim that the Three
Oymapinar Dam built in 1984 it was the third largest dam in Turkey. As more dams have been built, it is the fifth largest. Because of the arch design, the force of water pushing against the dam compacts the dam and strengthens it. The weight of the dam structure pushes it down firmly into the underlying rock. This design is ideal for dams built in rocky narrow gorges. The dam was designed in the USSR and built by Bilfinger Berger and completed in 1984. Oymapinar Dam Oymapinar Dam is an arch dam built on the Manavgat river in Turkey in 1984. It