Fig. 4: Temporal dynamics of extinction risk for freshwater species in the vicinity of dams (1996–2022).
From: Freshwater biodiversity impacts of global hydropower dams
a Sankey diagram illustrating the transitions of species between IUCN Red List categories over the study period. The flow width is proportional to the number of species. b Proportion of species undergoing high-risk versus low-risk transitions across five freshwater taxonomic groups.
