Xiaonanhai Dam total of 338 freshwater fish species have been identified on the Yangtze. 189 live in the area — currently a preservation — and many of those are found in no other river basin in China. An official study by the Yangtze River Commission in 2003 concluded that the Xiaonanhai dam could not be recommended due to its "unremarkable economic returns". According to "Chongqing Daily", project cost per-kilowatt is triple that compared with other projects along the Yangtze: with total investment estimated at ¥32 billion, the project will cost ¥16,000 per-kilowatt of capacity, whereas the Three Gorges dam, Xiluodu Dam and
Three Gorges the Three Gorges. Afterwards, he wrote an enthusiastic report on the prospects of a dam. Construction was started on the first of the dams at Upper Tsing Yuan Tung, but was halted on August 15, 1947 because of the Chinese Civil War. In February 1958, as the expanded meeting of the Political Bureau of the CPC Central Committee was held at Nanning (), the Three Gorges Project () was discussed for the first time, and fierce disputes broke out. In the end, this project was delayed. Over the following three decades, people continued to discuss it. In the early 1980s,