Rivers

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Spangled perch are one of Australia’s strongly migratory native fish. After storms in January 2015 these fish were actively travelling up a flooded road in outback Northern Territory. Jessica Brown

We can have fish and dams: here’s how

Freshwater fish are declining everywhere, in part thanks to dam-building. But we can have both.
The remote rivers of northern Australia could be home to untold numbers of new and threatened fish. Matthew Le Feuvre

We discovered 20 new fish in northern Australia – now we need to protect them

A score of new fish species discovered recently in northern Australia remind us how little we know about our country.
Rivers in many agriculturally significant areas of Australia could lose water as the landscape grows greener. Kerry Raymond/Wikimedia Commons

River flows drop as carbon dioxide creates thirstier plants

Rising carbon dioxide levels are making plants grow faster, sucking up more water and reducing river flows in many agriculturally important areas of Australia, according to new research.
Waterbugs are used for the monitoring of river ecosystem health across the world. Amanda Woodman

How healthy is your river? Ask a waterbug

Around the world, waterbugs are the most widely-used indicator of environmental health and pollution of rivers, lakes and wetlands.
A flood plume containing sediments, nutrients and pesticides flowing onto the Great Barrier Reef from Bundaberg. AAP Image/James Cook University

Cloudy issue: we need to fix the Barrier Reef’s murky waters

Successive plans to curb the sediments, nutrients and pesticides flowing into the waters around the Great Barrier Reef have fallen short, leaving the corals that call the reef home highly vulnerable.
The diverse rivers of Northern Australia, flat and expansive, support diverse species and are linked by unregulated Wet season flows. Andrew Campbell

Dam it all? River futures in northern Australia

Northern futures, northern voices: It seems everyone has ideas about how Australia’s north could be better, but most of those ideas come from the south. In this six-part weekly series, developed by the…

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