Holocene Vegetation and Environments Near Goulburn, New South Wales

摘要: Three sites from Breadalbane Basin and one Wet Lagoon near Goulburn were studied to provide a history of vegetation, fire lake levels in the region. Stratigraphy, percentage pollen diagram each site, an influx two 29 radiocarbon analyses provided basic data chronology study. The sedimentary shows that has undergone several cycles phases with sediment accumulation dry deflation sediments. present clays silts are all Holocene age. A began forming before 9300 B.P. probably reached its greatest extent between 7400 2700 At water stands evidence 5000 Over last 2000 years have dried out ephemeral swamps but their level histories not necessarily synchronous. comparison records vegetation region been open eucalypt woodland understorey dominated by grasses herbaceous taxa. most dramatic change was clearance after arrival European settlers. spread charcoal collection sites, however, emphasizes number local differences Casuarina, for example, expanded during mid along escarpment on western side Basin. input curves show frequent occurrence apparently resilient effects until settlers used it as tool clearance.