Man-made reefs can be used in conjunction with the restoration or protection of natural habitat to increase fish abundance in estuaries, UNSW researchers have found.
UNSW Sydney researchers have started a platypus monitoring study after they returned three of the iconic creatures to Tidbinbilla Nature Reserve, near Canberra.
Subsidised irrigators extracted up to 28 per cent more water than those who received no funds under a national Murray-Darling Basin irrigation efficiency program, a new study has found.