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美国渔业
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美国渔业
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美国渔业
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fisheries in the United States of America
美国渔业
美国濒临大西洋、太平洋和北冰洋,拥有世界上最大的专属经济区,海域面积约为1135万平方千米,渔业资源丰富。美国是世界渔业大国之一,渔业总产量主要来自海洋捕捞,年产量500万吨左右,占渔业总产量的98%以上,占世界海洋捕捞总产量的6%,淡水捕捞及养殖业所占比例很小。2018年,美国水产品总产量约521.3万吨,居世界第8;其中水产养殖产量约46.8万吨,居世界第14。
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compound leaf
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compound lens
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compound logging
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compound mathematical induction
compound matrix
compound microscope
compound midpoint formula
compound muffler
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compound name
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compound nuclear reaction
compound nucleus
compound-nucleus decay
compound-nucleus elastic-scattering cross-section
compound nucleus evaporation reaction
compound-nucleus theory
compound number
compound pendulum
compound pigment
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