What industries does the marine economy include?

It mainly includes marine fishery, marine transportation, marine shipbuilding, marine salt industry, marine oil and gas industry and coastal tourism.

At first, it specifically refers to traditional fishery, which is a relatively single primary industrial form. However, the current marine economy, including fishery, oil and gas industry, salt industry, chemical industry, biomedicine, electric power, seawater utilization, shipbuilding, engineering construction, transportation and coastal tourism, is a huge industrial system.