The study published in Nature found that 24% of freshwater animals, at least 4,294 species, are at a high risk of extinction due to various threats.
Pollution from agriculture and forestry impacts more than half of the threatened freshwater species, exacerbated by land conversion for agriculture and dams blocking fish migrations.
The research indicates that over a third of the world’s wetlands have been lost between 1970 and 2015, showing a faster rate of loss than forests.
Freshwater habitats support over a tenth of all known species, including a third of vertebrates, yet cover less than 1% of the Earth's surface.
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