| 1. | ( 1 ) the economic characteristics decide the development of world aquaculture . because of the character of denseness of resource and labour , countries which have longer coastline , more population and which are not developed have high output of aquatic product . because of the nature of aquatic consume , the demand of aquatic product is high , while less resources are allot in aquaculture in developed country , which decides the activity of international trade of aquatic , high value aquatic product favor to developed countries . because the high increase of world population , aquatic resource crock up increasingly . the output of aquatic product ca n ' t increase high in a longer time , but with the advance of
由于水产品生产的资源和劳动密集特征,沿海海岸线长、人口多、欠发达国家水产品产量高,发达国家、海岸线短、内陆水资源相对稀缺的国家水产品产量低。由于水产品消费具有两重性、水产品需求弹性大的特点,发达国家对水产品需求量大,而发达国家的资源较少分配到水产品生产上,这就决定了水产品国际贸易比较活跃,并且高价值水产品流向发达国家。由于水产品的易腐特性,国际水产品贸易主要品种为水产加工品。 |
