The review examined hundreds of studies and concluded the lower Murray should remain a freshwater ecosystem, or severe environmental and economic damage will result.
A Rosalia longicorn – the chosen insect of 2019 in Hungary by the Hungarian Entomological Society.
EPA-EFE/Peter Komka
A new report on New Zealand's lakes and rivers confirms that many freshwater ecosystems are in decline and warns that climate change will exacerbate existing threats.
Coming to a river catchment near you: a rodent crack team ready to reduce flooding and boost biodiversity.
Some lakes in the Arctic are expanding and others are disappearing as permafrost thaws.
This lake north of Inuvik, N.W.T., is expanding as the ice wedges (darker lines leading away from the lake) around this lake melt and the ground subsides.
(Philip Marsh)
Hundreds of thousands of lakes, rivers and streams in the Arctic exist only because of the permafrost that lies beneath them. The warming Arctic threatens to change that.
A lake in Banff National Park, Alberta, Canada.
Sergey Pesterev/Unsplash
Freshwater fish are suffering as drought becomes more common and severe. Whether they survive will depend on how governments manage rivers and lakes, and on taking action against climate change.
Fish leave bits of DNA behind that researchers can collect.
Mark Stoeckle/Diane Rome Peebles images
Animals shed bits of DNA as they go about their lives. A new study of the Hudson River estuary tracked spring migration of ocean fish by collecting water samples and seeing whose DNA was present when.
The Louisiana swamp crayfish Procambarus clarkii.
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