The potential for targeted surveillance of live fish movements in Scotland

© 2011 Blackwell Publishing Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Journal of fish diseases. - 1998. - 35(2012), 1 vom: 17. Jan., Seite 29-37
1. Verfasser: Green, D M (VerfasserIn)
Weitere Verfasser: Werkman, M, Munro, L A
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2012
Zugriff auf das übergeordnete Werk:Journal of fish diseases
Schlagworte:Journal Article Research Support, Non-U.S. Gov't
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520 |a The network structure of the movements of live fish in the Scottish aquaculture industry has recently been demonstrated for 2003. In this paper, we enlarge this analysis to a longer 3-year period from 2002 to 2004, the new data allowing complete coverage of at least one production cycle. The resulting network contains slightly more sites than that for a single year and is denser with more arcs (directed site-to-site connections) present, but otherwise features recognizable in the 1-year network are still recognizable in the 3-year network. Arc-removal algorithms (a proxy for targeted surveillance) were identified that could successfully reduce the portion of the network reachable from a node (a proxy for potential epidemic size) by approximately one-third by removing as few as four arcs. This results from the high centrality of particular nodes and arcs. A strong community structure was identified in the network, corresponding with species farmed, but only weakly geographical, with a high proportion of arcs occurring between management areas and catchments 
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