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Plant communities growing on gypsum are under threat from mining and the impact of altered hydrology associated with areas in the lower part of the landscape in the Wheatbelt of Western Australia. In order to investigate the conservation significance of these communities, data from existing reports and further surveys were compiled and analysed.

An overview is given of gypsum deposits in WA, the physical and chemical properties of gypsum affecting plant growth, Australian and overseas research on gypsophilous plant species and the possible environmental impacts of gypsum mining. 

soil; salt lake; wildflower