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 South America and the Caribbean, where abundance of these species has dropped by 91% over the past 50 years.
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