Evolving community structure in the international pesticide trade networks
Jian-An Li, Li Wang, Wen-Jie Xie, Wei-Xing Zhou (ECUST)

TL;DR
This study analyzes the evolving community structures in international pesticide trade networks from 2007 to 2018, revealing regional patterns, stability differences, and key economies shaping global trade communities.
Contribution
It uncovers the distinct community structures in directed and undirected pesticide trade networks and identifies stable, region-specific core economies across categories.
Findings
Community structures show regional patterns with differences between directed and undirected networks.
Directed networks exhibit more stable community structures than undirected ones.
Key economies like European countries, the US, Canada, and Australia form stable core communities.
Abstract
The statistical properties including community structure of the international trade networks of all commodities as a whole have been studied extensively. However, the international trade networks of individual commodities often behave differently. Due to the importance of pesticides in agricultural production and food security, we investigate the evolving community structure in the international pesticide trade networks (iPTNs) of five categories from 2007 to 2018. We unveil the community structures in the undirected and directed iPTNs exhibits regional patterns. However, the regional patterns are very different for undirected and directed networks and for different categories of pesticide. Moreover, the community structure is stabler in the directed iPTNs than in the undirected iPTNs. We also extract the intrinsic community blocks for the directed international trade networks of each…
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Taxonomy
TopicsInsect and Pesticide Research · Plant and animal studies · Insect-Plant Interactions and Control
