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Fig. 3 | Environmental Microbiome

Fig. 3

From: A systematic scoping review reveals that geographic and taxonomic patterns influence the scientific and societal interest in urban soil microbial diversity

Fig. 3

Geographic distribution of the studies and their main features. (A) Overall distribution of sites where soil samples were taken in the various studies. (B) Worldwide distribution of the corresponding authors of the articles included in the study. Both maps show the log-scaled population density (Gridded Population of the World, GPWv4). (C) Frequency of corresponding authors and study sites by continent. (D) Frequency of articles by geographical scale (local means that the sampling took place in the same town and its surroundings; regional means that the sampling took place in the same country or on the same continent; global means that the sampling took place on at least two continents). (E) Cumulative number of citations by continent (each point corresponds to a city)

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