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Author Topic: Stage 3 of Upper Hunter River fish habitat works  (Read 2921 times)

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Stage 3 of Upper Hunter River fish habitat works
« on: April 22, 2011, 10:01:31 AM »
Stage 3 of Upper Hunter River fish habitat works

Ten new engineered log jams (ELJs) have been constructed in the Hunter River at Anglo Coal’s Dartbrook site near Muswellbrook.
The structures were made from logs provided by Mt Arthur Coal and Mt Thorley Coal. Over 500 logs were used, some of which were estimated to weigh over 2 tonnes. The ELJs are keyed into the bank and held in place by piles driven into the river bed. They have been shown to be able to withstand large floods.
Strategically placed hard instream habitat, such as log jams, helps direct flows away from eroding banks, create and maintain deep holes in the river bed and provides a substrate for the growth of algae and insects. This is the third stage of the Upper Hunter River project which has seen nine fish hotels and 15 ELJs installed over the past two years in neighbouring river reaches. The project, funded by the Hunter Central Rivers CMA and the Recreational Fishing Trust, was managed by NSW DPI, with construction by the Land and Property Management Authority.
For more information contact Kylie Russell (NSW DPI) on (02) 4916 3817.

Source- NSW DPI
Photo: Kylie Russell


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