noun
marine industries; maritime industry
Refers broadly to industries related to the sea, including fishing, shipping, shipbuilding, and marine resource development.
この地域の海産業は漁業と造船が中心です。
The marine industries in this region are centered on fishing and shipbuilding.
Compound of 海 (sea) + 産業 (industry). The term is a straightforward modern coinage for marine-related industries.