1Cooperative Research Centre for Greenhouse Accounting, G.P.O. Box 475, Canberra, ACT 2601, Australia
2School of Resources, Environment and Society, The Australian National UniversityCanberra, ACT 0200, Australia
3Ecosystem Dynamics Group, Research School of Biological Sciences, The Australian National UniversityCanberra, ACT 0200, Australia
4Centre for Ecosystem Management, School of Natural Sciences, Edith Cowan UniversityJoondalup, Western Australia 6027, Australia
5Institute of Silviculture, University of FreiburgTennenbacherstr. 4, 79106 Freiburg, Germany
6NSW Department of Primary IndustriesP.O. Box 100, Beecroft, NSW 2119, Australia