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Fig. 1. Bipartite network structure of plant-pollinator interaction (Son et al. 2019) consisting of two groups of species with interactions. The density of species is expressed by the visual size of each node. The relationship between node groups is represented by connected links between nodes. Quantitative values such as interaction intensity, frequency, and density between nodes are expressed in color or thickness.
J Ecol Environ 2022;46:-
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