Mai 21, 2024 In Unkategorisiert
Migratory freshwater fish populations ‘down through greater than 80% since 1970’
‘Catastrophic’ global decline due to dams, mining, diverting water and pollution threatens humans and ecosystems, study warns Migratory fish populations have crashed by more than 80% since 1970, new findings show.Populations are declining in all regions of the world, but it is happening fastest in
