Conversation

Migratory freshwater fish populations ‘down by more than 80% since 1970’
‘Catastrophic’ global decline due to dams, mining, diverting water and pollution threatens humans and ecosystems, study warns

https://www.theguardian.com/environment/article/2024/may/21/living-planet-index-migratory-freshwater-fish-populations-decline-dams-weirs-mining-water-abstraction-pollution-threat-aoe

see also my recent feature on #MigratorySpecies https://proseandpassion.blogspot.com/2024/03/the-dangers-of-migrating.html

and the section on #DamRemoval in the recent feature on #RiverRestoration https://proseandpassion.blogspot.com/2024/05/rivers-restored.html

#science #ecology #environment #rivers