More than 23,000 freshwater species were analyzed in the study – Researchers found that 24% of species are at high risk of extinction
About 24% of freshwater species are threatened with extinction, according to a study published in the journal Nature.
It is estimated that freshwater hosts over 10% of all known species of fauna and this diversity offers multiple benefits. However, ecosystems are affected by pollution, dams, agriculture and invasive species.
More than 23,000 species living in fresh water were analyzed in the study. The researchers found that the 24% of these species are at high risk of extinction. Decapod crustaceans (such as crabs, crayfish and shrimp) have the highest percentage of threatened species (30%), compared to 26% for freshwater fish and 16% for toothed insects. 71% of endangered species live in rivers.
According to the researchers, the 54% of of endangered species is considered to be affected by pollution39% of the dams and her water extraction37% since its change land use and the related effects from agriculture and 28% from invasive species and diseases.
The researchers emphasize the urgent need to address the threats to prevent further losses in fauna.
Source: Skai
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