Global consequences of dam‐induced river fragmentation on diadromous migrants: a systematic review and meta‐analysis

• Published in: Biological reviews of the Cambridge Philosophical Society
• Main Authors: Chan, Jeffery C. F., Lam, Billy Y. K., Dudgeon, David, Liew, Jia Huan
• Format: Journal Article
• Language: English
• Published: England 07.05.2025
• Subjects: diadromy; fish pass; mitigation; barrier; crustacean; marine–freshwater; fish; dam removal; migratory

The global proliferation of dams has altered flow and sediment regimes in rivers, presenting a major threat to freshwater biodiversity. Diadromous species, such as fishes, decapod crustaceans and gastropods, are particularly susceptible to fragmentation because dams obstruct their breeding migration...