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Third of global freshwater fish species threatened by extinction

Third of global freshwater fish species threatened by extinction

LONDON — Nearly a third of all freshwater fish species are threatened by extinction, according to a new report released by 16 conservation groups on T

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LONDON — Nearly a third of all freshwater fish species are threatened by extinction, according to a new report released by 16 conservation groups on Tuesday.

The World’s Forgotten Fishes” says that 80 freshwater species — which make up more than half of all the world’s species — have already been declared extinct, with 16 disappearing in 2020 alone.

Migratory populations have declined by more than three-quarters since the 1970s, while populations of larger species, weighing more than 60 pounds, have fallen by an even more “catastrophic” 94 percent, it said.

Female sturgeons at Walter Gruell’s fish farm in Groedig village near Salzburg, Austria, in December.Joe Klamar / AFP via Getty Images file

While freshwater fish are important for the healthy functioning of the world’s rivers, lakes and wetlands, millions of people around the world also depend on them for food security and their livelihoods, including in vulnerable and indigenous communities. Their rapid decline could therefore put societies and economies across the globe in peril, the report said.

Conservation groups behind the report, including World Wide Fund for Nature (WWF) and Global Wildlife Conservation, point to a combination of pressures on global freshwater fish populations, including habitat degradation, damming and draining of rivers and wetlands, pollution, introduction of invasive species, wildlife crime and the ever-increasing threat of climate change.

Of more than 10,000 species whose conservation status has been assessed by the International Union for Conservation of Nature, 30 percent are considered at risk of extinction, the report said.

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The study calls freshwater fish “undervalued,” with the WWF’s Stuart Orr saying freshwater fish are often forgotten in global debates about climate, biodiversity and global development.

“I think this report is 16 organizations coming together to highlight on the one hand the incredible diversity of freshwater fish species, but on the other hand remind people that these species are in decline and linked to a lot of food security, jobs and cultural services,” Orr told NBC News on the phone from Gland, Switzerland.

“As we look to adapt to climate change and we start to think about all the discussions that governments are going to have on biodiversity, it’s really a time for us to shine a light back on freshwater,” he added.

The report calls for an emergency recovery plan to reverse decades of decline by protecting and restoring natural river flows, water quality and critical habitats while undoing the harm caused by overfishing.

Orr said a United Nations biodiversity conference taking place in China later this year will be a chance for governments to talk about the crisis and, for the first time, pay just as much attention to protecting and restoring freshwater life support systems as the world’s forests and oceans.

Source: | This article originally belongs to Nbcnews.com

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