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Trade nodes and connections

Along with geographical visualizations, some complex poultry trade networks may require non-spatial connection diagrams, which help to evaluate connectedness of particular markets with regards to trade volumes and their overall role in the trade network. Thorough analysis of trade network helps to define key markets and target them for surveillance or interventions.

Trade connections in geographical space

Lines connecting markets in Vietnam weighted according to the volume of trade. This map helps to understand patterns and scope of trade in space, but fails to provide objective information on the true role of each market in trade network

Trade connection diagram with markets as nodes

This visualization puts emphasis on the markets, as the nodes of trade network. Markets are weighted according to the number of connections and volume of trade. Color of the node shows whether market is an origin (blue) or a destination (yellow) of trade.

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