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Jensen HH 《Marine pollution bulletin》2006,53(10-12):591-598
Consumers world-wide are driving changes in the agriculture and food sector. Rising consumer income, changing demographics and lifestyles, and shifting preferences due to new information about the links between diet and health all contribute to new demands for foods. At the same time, technological changes in production, processing and distribution, growth in large-scale retailing, and changes in product availability, as well as expansion of trade world wide, have contributed to a rapidly changing market for food products. Changes in seafood consumption reflect these changes. The changes in consumer consumption patterns, new technologies and trade in product offer both expanded markets as well as new challenges to consumer exposure to food-borne risks. The strict quality control requirements of retail brokers, growth of private labels, and development of value-protecting marketing channels have become increasingly important in food markets. This paper addresses major trends that affect seafood consumption and the market for seafood products and the implications of these changes for consumer risk exposure to food safety hazards. The current economic environment highlights similarities and differences between the developed and developing countries, as well as diversity worldwide in consumption of seafood. Within this context, four major trends affect consumer consumption of foods, including seafood and fish products today: rising income; changing demographics; changing markets for food; and an increasingly global market for food products. Changes in consumer risk exposure to food safety problems are addressed in the context of these trends. 相似文献
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研究了喀拉海陆架沉积物的物理性质,该陆架沉积在很大程度上受制于沉积物沉积的自然环境,沉积物的物理性质形成条件及其性质的多样性是由许多因素决定的,其中主要是气候,新构造和古地理条件。物理性质的时间和空间在很大程度上由陆架地貌格局和物质沉积的具体条件所控制,沉积物成因类型和沉积相(环境)之间是协调一致的。 相似文献
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该湾位于南极长城站的东北部,企鹅岛的西南部,呈一向西北北伸展的舌状湾,面积较小,约0.5平方公里左右(见图)。在靠近长城站一带沿岸,发育数条源近流短的小 相似文献
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