The inner sea of Jockan is one of many inner seas in southwest Taiwan, ranging from Erhtsenghing Stream to Tati Mountain. It is located in about the areas in Chiehting,Yungan,Mituo, Hunei,and whole or part Luchu of today. It is the first record of Taiwan Island in the Han people's documents, and it is also one of the earliest reclaim lands. It is the place which the Han people first settled in Kaohsiung County , and its development could date back to the middle period of the Ming Dynasty.It is a historic and important fishery town. It is the principal ground for fishing mullets, and it is also the biggest breeding area of marine products in Kaohsiung Country.
This article studies the developmental process of the inner sea's area from three parts in geography ,history ,and industry ,and investigates the motive of the early Han people who settled here.
The local residents' traditional industrial activity is fishery , especially mullets. It is not only the great wealth of the fishermen along the coast , but also one of the motives of Chang and Chuan's inhabitants who immigrated to Taiwan .It had a deep influence on the area , and even on the early activities after Tidal-Land are rasing fish in ponds and fishing in the inner sea ,and then dring salts in the sun.
