The shallow seas and tidelands have a total area of 13.33 million ha,of which 2.6 million ha of water surface are suitable for the raising of aquatic products in terms of the current scientific level. So far,938,000 ha are being utilized for this purpose.

• 中国有浅海、滩涂总面积约1333万公顷，按现有的科学水平，可进行人工养殖的水面有260万公顷，已经开发利用的有93.；8万公顷。