Bohai offing and coast zone system play a huge supporting function on the economic development of the encircle Bohai region, and form the supporting system of economic circle of encircle Bohai.

• 渤海近海和海岸带系统对环渤海地区的经济发展都有着巨大的支撑作用，构成了环渤海经济圈的支撑体系。