The Griffith Environmental Futures Research Institute team, made up of Cathryn Dexter, Justin Scott and Professor Darryl Jones, verified 130 crossings by koalas involving a retrofitted structure or eco-passage over a 30-month period.
The findings were released in a paper titled Using complementary remote detection methods for retrofitted eco-passages: a case study for monitoring individual koalas in south-east Queensland published by the CSIRO July 26.
Professor Darryl Jones of the Griffith School of Environment said nobody knew whether the structures would actually keep koalas safe from being hit by cars or if they would work.
“We expected the animals to take a while to get used to them,” he said.
“To our great surprise they were using them three weeks into it. …