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The complex network of global cargo ship movements Kaluza, P.; Kölzsch, A.; Gastner, M.T.; Blasius, B. (2010). The complex network of global cargo ship movements. J. R. Soc. Interface 2010(January 19): 1093-1103. https://dx.doi.org/10.1098/rsif.2009.0495 In: Journal of the Royal Society. Interface. The Royal Society: London. ISSN 1742-5689; e-ISSN 1742-5662, meer

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Beschikbaar in	Auteurs
VLIZ: Open access 155929 [ download pdf ]

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Trefwoorden

Bioinvasion Cargo ships Transport > Transportation industry > Transportation Marien/Kust

Author keywords

complex network; cargo ships; bioinvasion; transportation

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Auteurs		Top
Kaluza, P. Kölzsch, A., meer Gastner, M.T. Blasius, B.

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Abstract

Transportation networks play a crucial role in human mobility, the exchange of goods andthe spread of invasive species. With 90 per cent of world trade carried by sea, the globalnetwork of merchant ships provides one of the most important modes of transportation.Here, we use information about the itineraries of 16 363 cargo ships during the year 2007to construct a network of links between ports. We show that the network has several featuresthat set it apart from other transportation networks. In particular, most ships can beclassified into three categories: bulk dry carriers, container ships and oil tankers. Thesethree categories do not only differ in the ships’ physical characteristics, but also in theirmobility patterns and networks. Container ships follow regularly repeating paths whereasbulk dry carriers and oil tankers move less predictably between ports. The network of allship movements possesses a heavy-tailed distribution for the connectivity of ports andfor the loads transported on the links with systematic differences between ship types.The data analysed in this paper improve current assumptions based on gravity models ofship movements, an important step towards understanding patterns of global trade andbioinvasion.

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