Developing a standardized definition of ecosystem collapse for risk assessment

[1 ]School of Life and Environmental Sciences; Deakin University; Burwood Australia

[2 ]School of BioSciences; The University of Melbourne; Parkville Australia

[3 ]The Arthur Rylah Institute for Environmental Research; Department of Environment; Land, Water and Planning; Heidelberg Australia

[4 ]Centre for Ecosystem Science; School of Biological, Earth and Environmental Science; University of New South Wales; Kensington Australia

[5 ]New South Wales Office of Environment and Heritage; Hurstville Australia

[6 ]Long Term Ecological Research Network; Terrestrial Ecosystem Research Network; Australian National University; Canberra Australia

[7 ]Centre for Rural and Regional Futures; Deakin University; Waurn Ponds Australia

[8 ]Centro de Ecología; Instituto Venezolano de Investigaciones Científicas; Caracas Venezuela

[9 ]Provita; Caracas Venezuela

[10 ]IUCN Commission on Ecosystem Management and IUCN Species Survival Commission; Gland Switzerland