Vegetation clearing as a threat 2008-07-18T06:35:43Z 2008-09-04T03:52:59Z Vegetation clearing as a threat Fast Fact 38 National Land and Water Resources Audit National Land and Water Resources Audit The clearing of native vegetation is a threatening process operating on both ecosystems and species. The Audit’s Terrestrial Biodiversity Assessment identified regions where vegetation clearing threatens biodiversity. PN21373 PN21373