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Advanced cryobanking for propagation-recalcitrant and critically endangered plant species. This project aims to advance methods for the conservation of recalcitrant/threatened plant species to achieve best practice ecological restoration in areas of high biodiversity. In particular, the nature of freezing and dehydration damage to cell membranes at various stages of tissue culture and cryopreservation will be investigated to try to minimise deleterious effects. In addition, metabolic changes tha ....Advanced cryobanking for propagation-recalcitrant and critically endangered plant species. This project aims to advance methods for the conservation of recalcitrant/threatened plant species to achieve best practice ecological restoration in areas of high biodiversity. In particular, the nature of freezing and dehydration damage to cell membranes at various stages of tissue culture and cryopreservation will be investigated to try to minimise deleterious effects. In addition, metabolic changes that affect cryogenic survival will be assessed to provide further insight into the role of oxidative stress and the toxicity of cryopreservation processes. Ultimately, improved cryogenic protocols will be developed to maintain the integrity of long-term cryobanks of key species for ecological restoration, such as in post-mined areas.Read moreRead less
Optimising seed sourcing for effective ecological restoration. This project aims to address the sourcing of native seed for ecological restoration under global change. The great demand for native seed to deliver ecological restoration provides a clear need and responsibility to use this seed as efficiently as possible. This project expects to develop detailed new knowledge that links plant and environmental genomics, plant physiology, seed and soil biology in embedded experiments at post-mining ....Optimising seed sourcing for effective ecological restoration. This project aims to address the sourcing of native seed for ecological restoration under global change. The great demand for native seed to deliver ecological restoration provides a clear need and responsibility to use this seed as efficiently as possible. This project expects to develop detailed new knowledge that links plant and environmental genomics, plant physiology, seed and soil biology in embedded experiments at post-mining rehabilitation sites. Expected outcomes include clear industry guidelines that refine seed sourcing strategies for ecological restoration for current and future climates. This should provide significant benefits for improved ecological restoration outcomes when using native seed today and into the future.Read moreRead less
Mine-site rehabilitation through novel plant and microbe interactions. This project will endeavour to improve restoration technologies aimed at reconstructing diverse and resilient new plant communities following disturbance. The factors which govern successful outcomes of restoration are not fully understood. Current restoration practices rely on the soil microbial community to generate key microbial ecosystem services but their function in novel post-mining substrates modified with soil amelio ....Mine-site rehabilitation through novel plant and microbe interactions. This project will endeavour to improve restoration technologies aimed at reconstructing diverse and resilient new plant communities following disturbance. The factors which govern successful outcomes of restoration are not fully understood. Current restoration practices rely on the soil microbial community to generate key microbial ecosystem services but their function in novel post-mining substrates modified with soil ameliorants is limited. The project aims to use next-generation DNA sequencing to elucidate the structure and function of microbial ecosystem dynamics in modified substrates and apply this understanding to improve restoration outcomes for species and communities affected by the expansion of mining activities in the Pilbara and nationally.Read moreRead less
Defining biologically significant units in spinifex (Triodia spp.) for improved ecological restoration in arid Australia. This project will investigate composition and functioning of the iconic spinifex grasslands of arid Australia. The findings will increase the capacity to restore these landscapes after mining. Project outcomes directly address the national priority for sustainable use of Australia’s biodiversity, particularly of vulnerable ecosystems.
Developing a predictive toxicity model for metallic anions in plants. This project aims to develop competitive anionic toxicity models for antimony, arsenic, molybdenum and selenium supported by detailed speciation information. Available ecotoxicological models for inorganic toxicants have exclusively focused on cations such as zinc, and ignored anionic toxicants such as arsenic and antimony. For available models on cations to be applicable to contaminated environments, it is essential for equiv ....Developing a predictive toxicity model for metallic anions in plants. This project aims to develop competitive anionic toxicity models for antimony, arsenic, molybdenum and selenium supported by detailed speciation information. Available ecotoxicological models for inorganic toxicants have exclusively focused on cations such as zinc, and ignored anionic toxicants such as arsenic and antimony. For available models on cations to be applicable to contaminated environments, it is essential for equivalent anionic toxicity models be developed. This project will develop the first such model, which will provide new insights on ecotoxicological modelling for inorganic anionic toxicants. The project will transform ecotoxicological modelling approaches for metals and metalloids in terrestrial systems and directly improve our ability to assess risks associated with environmental contamination.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE220101471
Funder
Australian Research Council
Funding Amount
$441,100.00
Summary
Controlling uranium species to its long-term stability in bioremediation. This project aims to reveal the mechanisms of uranium transformation and immobilisation in both aerobic and anaerobic conditions of bioremediation with the emphasis on elucidating stable uranium immobilised under different pathways and conditions. This project expects to generate new knowledge regarding the relationship between uranium speciation and stability with the matrix mineral, microbiota, and environmental conditio ....Controlling uranium species to its long-term stability in bioremediation. This project aims to reveal the mechanisms of uranium transformation and immobilisation in both aerobic and anaerobic conditions of bioremediation with the emphasis on elucidating stable uranium immobilised under different pathways and conditions. This project expects to generate new knowledge regarding the relationship between uranium speciation and stability with the matrix mineral, microbiota, and environmental conditions. Expected outcomes from this project include new strategies for preferential immobilisation of uranium to stable species that are resistant to air and acid. The anticipated benefits of this project include mitigating uranium contamination and promoting the sustainable development of the uranium industry in Australia.Read moreRead less