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海洋占地球表面积的７１％，蕴藏着丰富的资源。面对人口增长、资源短缺和环境恶化的今天，许多国家把注意力转向海洋。在我国，人平均耕地不到１－２亩，仅及世界人平均耕地的１／３。要用仅占世界７％的耕地养活占世界２２％的人口，矛盾更为突出。为了缓解人口膨胀对食物需
Ocean accounts for 71% of the Earth’s surface area, rich in resources. In the face of population growth, resource shortage and environmental degradation, many countries turn their attention to the oceans. In our country, people average less than 1-2 mu of arable land, only 1/3 of the world’s average arable land. Contradictions are even more prominent when we use 22% of the world’s population to feed only 7% of the world’s cultivated land. In order to alleviate the population expansion on food needs