Marine aquaculture is the production business of artificial propagation, rational fishing and processing and utilization of aquatic resources such as fish, shrimp and crab, shellfish, algae and sea animals in the ocean. It includes marine capture industry and marine aquaculture. At present, China's marine capture industry is the main. China's marine aquatic products, fish production is the largest, accounting for about three-quarters.
1. Bohai Sea sea area fishery
Bohai Sea is located in the north of China, north, south and west of the three sides are surrounded by land, is an inland sea. Southeast to the Bohai Strait and the Yellow Sea, a total area of more than 77,000 square kilometers, an average depth of 18 meters, there are Liaodong Bay, Bohai Bay and Laizhou Bay, three large bays, Liaohe River, Luanhe River, Haihe River and the Yellow River into the inflow of a large amount of silt and organic matter, so that the coastal plankton rich in natural bait, and become a natural spawning sites for fish and an important fishing ground. There are more than 70 kinds of common fish, plus shrimp, crab, shellfish, algae, *** counting more than 170 kinds. The main aquatic products are small yellowtail, scallop, herring, shrimp, prawns and sea crabs. The Bohai Sea is shallow and gentle slope, the development of aquaculture industry has great potential, but because of fishing is too concentrated and pollution and other reasons, the resources are declining.
2. Yellow Sea fishing area
Yellow Sea is located in the northern corner of the mouth of the Yangtze River to the west corner of Jeju Island, north of a line, east of the Bohai Sea, the area of the Bohai Sea 5 times the average depth of 44 meters, all of which is a shallow continental shelf. There are more than 200 kinds of fish, and it is the only sea area in China where cold water cod is distributed. The main economic fish are large and small yellowtail, scallop, squid, cod, squid, herring and so on. The Yellow Sea aquatic resources also have a declining trend, and measures have been taken to prohibit indiscriminate fishing to protect the resources.
3. East China Sea fishing area
The East China Sea, including Nan'ao Island in Guangdong Province to the Tainan goose Luangbi line to the north, south of the Yellow Sea in the vast sea area. Area equivalent to two times the Yellow Sea. Located in the subtropical, tropical, temperate transition zone, and thus both north and south of the fish, temperate species are dominated by all kinds of fish species more than 700 kinds of the East China Sea area is China's largest marine fisheries production area, the main production of the country's four major economic fish, namely, scallop, yellowtail, small yellowtail, cuttlefish, there have been built in Shanghai, Zhoushan, Ningbo, Zhenjiang, Wenzhou, Zhenhai, Mawei and Xiamen, such as the important fishing ports. Zhejiang Zhoushan fishery is the country's largest marine fisheries base, the number of commercial fish accounted for about 1/2 of the country.
4. South China Sea fishing area
The South China Sea area of the East China Sea is more than three times the area of the South China Sea, the South China Sea around the shallower, the middle of the deep, is a deep-sea basin, the sea is very vast, is China's marine aquatic products of the second largest producing areas. There are many types of fish, with high economic value such as orchard ginseng, sardines, sea snakes, etc. It also produces oceanic fish such as tuna and sharks, and sea turtles, sea cucumbers, hawksbill turtles, etc. are the specialties of the South China Sea.