Mark J. McDonnell is the Director of the Australian Research Centre for Urban Ecology at the Royal Botanic Gardens in Melbourne, and an Associate Professor in the School of Botany at the University of Melbourne.
Amy K. Hahs is a GIS Ecologist at the Australian Research Centre for Urban Ecology at the Royal Botanic Gardens in Melbourne, and a Research Fellow in the School of Botany at the University of Melbourne.
J�rgen H. Breuste is a Professor of Geography in the Department of Geography and Geology at the University of Salzburg in Austria.