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Archipelago richness (Gamma) in relation to the parameters of each ISAR. The five archipelago types are distinguished for the all-ISARs dataset (n = 151) (A); vascular plants, vertebrates, and invertebrates (note that animal datasets are for subsets such as birds or spiders) for the oceanic-ISARs dataset (n = 39) (B) and continental-ISARs dataset (n = 64) (C) (Dataset S1).
