Abstract
ABSTRACT Mining ceased in 1991 at the Westonia open-cut goldmine, 320 km east of Perth, Western Australia. The early May 1990 seeding of 40 ha of dump surfaces used a suite of species local to the area, and additional selected salt tolerant varieties. No fertiliser was applied. Subsequently stratified random sampling assessed the revegetation at twice yearly intervals. In 1995 two different sampling strategies were required. The chosen samplings were repeatable and accurate, and cost, labour and time effective. Seeding success was evaluated. Eucalypts and tall shrubs were prevalent and chenopods provided ground cover. Densities of eucalypts approximated 625 per hectare, with individuals to 4 m not uncommon. Acacias (wattles) and other woody perennial shrubs and trees were present. Saltbushes were prevalent. An extensive chenopod ground cover included Atriplex semibaccata, Enchylaena tomentosa and Maireana brevifolia. With this appropriate data base prediction of longer term ecosystem development can be made.
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