Biology, horticulture and ecological restoration in disturbed lands of selected Jarrah forest geophytes

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[Truncated abstract] This study arose from the observation that tuberous, rhizatomous and bulbous plant species seemed under-represented in post-mining rehabilitation of Jarrah (Eucalyptus marginata Smith) forest in the southwest of Western Australia. The geophytic life form is a common adaptation within the flora of the southwest (Pate and Dixon 1982). Their absence in a rehabilitation program would be a significant failing and contrary to the objectives of the mine managers (Alcoa of Australia Ltd). This is especially so given the scale and duration of the mining (bauxite) activity which involves clearing and rehabilitating 600 ha annually. This project was initiated with the express purpose of documenting and rectifying this problem. Surveys of post-mining rehabilitated areas confirmed the original observations with 25 of 70 geophytes being absent. Those present were at very low, possibly unsustainable, densities. Thirty three percent of all plant life forms present in undisturbed sites were of this class.
Original languageEnglish
QualificationDoctor of Philosophy
StateUnpublished - 2012


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