Causes of low yield in the early stage of fishery development in Chaiwobao Lake

1. Water pollution: Due to the low awareness of environmental protection at that time, the water quality of Chaiwobao Lake was seriously polluted, resulting in a decrease in the number of fish in the lake and a decline in fishery production.

2. Backward fishing method: In the early stage of fishery development in Chaiwobao Lake, the fishing method was relatively backward, and the traditional fishing net fishing method was mainly used, which was inefficient and difficult to meet the market demand.

3. Lack of scientific management: In the early stage of fishery development in Chaiwobao Lake, the lack of scientific fishery management and planning led to over-exploitation and waste of fishery resources, further affecting fishery output.

4. Natural factors: The water environment and climatic conditions of Chaiwobao Lake are complex, which are greatly influenced by natural factors such as water level change and water temperature change, and will also have a certain impact on fishery production. With the improvement of environmental awareness and the popularization of scientific management, the fishery output of Chaiwobao Lake has gradually recovered and improved, becoming one of the important economic pillars of the local area.