marine economy
6.At present, general situation is in the stage of transition from extensive type to intensive type, but the Municipality has preliminarily jumped out of the cir cle of pure sea fishing and extensive aquaculture and set out to advance towards the new fields of marine economy including ocean fishing industry, marine biology technologies and beach tourism.
9.From the 20th century, human being have increasingly fallen into a trouble about resources shortage , population explosion and environment deterioration, which made them have accelerated to exploit and utilize the resources of the ocean. Without exaggeration, 21st century would definitely become the century of marine economy.
10.Man has been puzzled by some contradictions increasingly such as resources shortage, population explosion and environmental deterioration since the Twentieth century and they have quickened to exploit and utilize the ocean. Without exaggeration, the 21th century has become marine economy century gradually.
