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Searching for answers to Byron s beach erosion problem – The Echo

Searching for answers to Byron s beach erosion problem – The Echo
echo.net.au - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from echo.net.au Daily Mail and Mail on Sunday newspapers.

Low streamflow: Logan River water level matches 1992 drought mark

Fish, undammed

Fish, undammed You wouldn’t be a freshwater fish for quids in this world. As human culture and ingenuity has progressed, the construction of instream barriers such as dams and weirs has grown as a significant threat to freshwater fish species worldwide.  There are more than 2 million dams and other stream barriers in the US alone. Now, a team of researchers from the University of New South Wales (UNSW) has found a way to get fish around – or rather over – barriers, reconnecting them with breeding grounds and preferred habitats. They’ve developed a “fishway” that utilises the acceleration of flows in a tube system to pump the fish – protected by a cushion of water – vertically through a tube up and over an obstruction, thus delivering them safely into the water on the other side. 

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