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Microplastics and Nanoplastics
Fig. 2 | Microplastics and Nanoplastics

Fig. 2

From: Microplastics in the Mediterranean marine environment: a combined bibliometric and systematic analysis to identify current trends and challenges

Fig. 2

Distribution of the number of records attributed to authors based in each country: (threshold = 5, modularity Q = 0.1985, average silhouette = 0.8744). Node size signifies the number of papers that originated from the country. Distance between nodes and link thickness indicates the level of collaboration, link colour indicates earliest period of establishment (purple, oldest; yellow, most recent). Nodes without labels were below the threshold

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