[1] Univ Technol Sydney, Sch Life Sci, Ecosyst Secur Team, POB 123, Broadway, NSW 2007, Australia
[2] Elizabeth Macarthur Agr Inst, New South Wales Dept Primary Ind Water, Private Bag 4008, Narellan, NSW 2567, Australia
[3] CSIRO Land & Water, POB 821, Wodonga, Vic 3689, Australia
[4] Murray Darling Freshwater Res Ctr, POB 821, Wodonga, Vic 3689, Australia