期刊名称：Revista da Faculdade de Letras do Porto : Geografia
印刷版ISSN：0871-1666
出版年度：1988
卷号：04
页码：291-297
出版社：Universidade do Porto
摘要：The sea trade of long course that existed in the Western Mediterranean at the turn of the century was the one linking all the countries of Southern Europe and Northern Africa to the North of Europe. From the South came raw materials (minerals, cork), food supplies (cereals, olive oil, salted fish); from the North came wood, coal, but especially the products of transforming industry. The transport was made by sea, as freights were cheaper, the construction of railways was growing slowly in southern countries, and the products (mostly not perishable) permited long and slow courses.The Mediterranean harbours, having multiple functions, were called at by ships that transported diversified goods, and were the center of a polygonal voyage that changed in accordance with the supply of products, the demand for markets or the international events
