Mixed farming, which involves growing crops and rearing livestock, used to be standard practice in Australia, but there are almost 100 million fewer sheep in Australia than there were 35 years ago.
Water needs for river communities will be under increasing pressure over the next 25 years, according to predictions from the Murray-Darling Basin Authority.
A course offered for the first time this year has upskilled home tutors working on remote central Australian cattle stations in a bid to ease education workforce shortages in the outback.