The original meaning of "land of fish and rice" refers to the land rich in fish and rice, while the eastern part of China is affected by the summer monsoon, with abundant precipitation, humid climate and rich products, so it is called "land of fish and rice".
Land of plenty refers to the plain in the middle and lower reaches of the Yangtze River and the Pearl River Delta. The main cities are Changsha, Hangzhou, Wuhan, Hunan, Jiangsu and Anhui. These places are also the main producing areas of freshwater fish. The middle and lower reaches of the Yangtze River are relatively low-lying and have many lakes. Such conditions are also very suitable for fish growth.
topography
The distinctive features of the terrain are low and flat terrain, criss-crossing rivers and canals, and dotted with lakes. Generally, the altitude is 5 ~ 100 meters, but most of them are below 50 meters. The central and coastal areas along the Yangtze River are flood plains and coastal plains. The terrain of the Hanjiang River Delta is also slightly inclined from northwest to southeast, and there are many lakes in the southeast front. Most of the Dongting Lake Plain is below 50 meters above sea level, and the terrain is high in the north and low in the south.
Poyang Lake Plain is low-lying, most of which are below 50 meters above sea level. The water network is dense, and the surface is covered with laterite and river alluvium. To the north of the delta is the He Lixia Plain. The plain is a dish-shaped depression with high, middle and low levels in the Zhou Dynasty. The northern edge of the depression is the old course of the Yellow River; The southern margin is the delta on the north bank of the Yangtze River; The west edge is Hongze Lake and Yunxi levee; The eastern edge is the coastal plain of northern Jiangsu.