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Sediment and seed bank dynamics in river systems of southeastern Australia: Implications for vegetation-based river rehabilitation. Every year in Australia millions of dollars are spent revegetating degraded riparian corridors as part of best practice river rehabilitation. The planting and maintenance of riparian tubestock is an expensive but essential component of current on-the-ground river management across the country. What if the success rate of riparian rehabilitation could be enhanced by ....Sediment and seed bank dynamics in river systems of southeastern Australia: Implications for vegetation-based river rehabilitation. Every year in Australia millions of dollars are spent revegetating degraded riparian corridors as part of best practice river rehabilitation. The planting and maintenance of riparian tubestock is an expensive but essential component of current on-the-ground river management across the country. What if the success rate of riparian rehabilitation could be enhanced by combining geomorphic and ecological knowledge to maximise the germination of native seeds stored in riparian seed banks? As the conservation of biodiversity becomes integral to environmental management, understanding riparian seed bank dynamics and seedling establishment within a geomorphic framework is an essential tool in river rehabilitation practice.Read moreRead less
Does Ecological Restoration Work? Invertebrate Diversity And Fundamental Ecological Processes In Restored Remnants Of Agricultural Landscapes. The restoration of native vegetation is critical to ensuring the success of long-term biodiversity conservation in Australia. Despite massive effort and expenditure on revegetation in damaged ecosystems, little is known of the effectiveness of different approaches. This project assesses the success of current practices of native vegetation restorat ....Does Ecological Restoration Work? Invertebrate Diversity And Fundamental Ecological Processes In Restored Remnants Of Agricultural Landscapes. The restoration of native vegetation is critical to ensuring the success of long-term biodiversity conservation in Australia. Despite massive effort and expenditure on revegetation in damaged ecosystems, little is known of the effectiveness of different approaches. This project assesses the success of current practices of native vegetation restoration in agricultural landscapes using insects and their ecological roles as indicators of the sustainability of restoration efforts. By describing the extent to which fundamental ecological processes have returned to restored areas this project will generate assessment techniques and data identifying priorities for future restoration efforts.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0989680
Funder
Australian Research Council
Funding Amount
$300,000.00
Summary
Interuniversity Elemental and Structural Analytical Facility. The items in this proposal will form the first stage of a larger facility for Elemental and Structural analytical programs in materials engineering and the natural sciences. The vision is to create an analytical facility which will have at its core and at the outset true collaboration leading to great national benefit. The equipment will be available via on-line access management allowing equitable and transparent access for users fro ....Interuniversity Elemental and Structural Analytical Facility. The items in this proposal will form the first stage of a larger facility for Elemental and Structural analytical programs in materials engineering and the natural sciences. The vision is to create an analytical facility which will have at its core and at the outset true collaboration leading to great national benefit. The equipment will be available via on-line access management allowing equitable and transparent access for users from multiple institutions. The resulting facility will complement existing microstructural capabilities and networks and will be open for all researchers and collaborators to use, further enhancing the national benefit.Read moreRead less
Bioinvasions: the interactive effects of propagule pressure and pollution. The successful establishment of species outside their native range is an increasingly frequent occurrence and can cause reductions in biodiversity and ecosystem disruption. Bioinvasions may also cause public health risks and damage to agriculture and fisheries. Nowhere is the accelerating pace of bioinvasions more dramatic than in ports and harbours. This project will determine the effects of pollution on invasion in a ma ....Bioinvasions: the interactive effects of propagule pressure and pollution. The successful establishment of species outside their native range is an increasingly frequent occurrence and can cause reductions in biodiversity and ecosystem disruption. Bioinvasions may also cause public health risks and damage to agriculture and fisheries. Nowhere is the accelerating pace of bioinvasions more dramatic than in ports and harbours. This project will determine the effects of pollution on invasion in a marine system. This project is in the national interest because it will identify mechanisms through which the invasion of exotic species are encouraged and assist in the identification and prioritisation of effective management strategies to prevent invasion.Read moreRead less
Do pollution events facilitate biotic invasion in marine systems? This project aims to determine whether pollution affects the biological resistance of assemblages to invasion. The discharge of toxicants into coastal waters is an increasingly important source of disturbance that has the potential to make marine assemblages more susceptible to biotic invasion. The project will determine if pollution events facilitate the colonisation, persistence and spread of non-native species and how initial a ....Do pollution events facilitate biotic invasion in marine systems? This project aims to determine whether pollution affects the biological resistance of assemblages to invasion. The discharge of toxicants into coastal waters is an increasingly important source of disturbance that has the potential to make marine assemblages more susceptible to biotic invasion. The project will determine if pollution events facilitate the colonisation, persistence and spread of non-native species and how initial assemblage diversity modifies this response. The generality of several important ecological hypotheses developed in plant communities are tested in marine systems for the first time and extended to include the role of toxic disturbances.Read moreRead less
Plant diversity in restored native vegetation of agricultural landscapes. This project will assess the success of current practices of native vegetation restoration in agricultural regions, ie whether they provide sustainable habitat for native plant species. While there is currently a massive expenditure on revegetation in agriculture, there has been almost no assessment of whether it works well or not. This study will compare the plant species present in restored and comparable native vegeta ....Plant diversity in restored native vegetation of agricultural landscapes. This project will assess the success of current practices of native vegetation restoration in agricultural regions, ie whether they provide sustainable habitat for native plant species. While there is currently a massive expenditure on revegetation in agriculture, there has been almost no assessment of whether it works well or not. This study will compare the plant species present in restored and comparable native vegetation. Additionally, intensive study of some key plant species will be undertaken to determine what features of these plants enable them to persist in restored patches. Outcomes include new assessment techniques and original data.Read moreRead less
Electron transport catalysis in organohalide pollutant respiration. This project aims to understand the link between substrate specificity and gene sequence of dehalogenating enzymes in organohalide respiring bacteria (ORB) and the mechanism by which electrons are transferred to dehalogenating enzymes through protein-protein interactions. Organohalides were present in Earth's early history and now pollute the environment globally. Organohalide respiring bacteria (ORB) can degrade these pollutant ....Electron transport catalysis in organohalide pollutant respiration. This project aims to understand the link between substrate specificity and gene sequence of dehalogenating enzymes in organohalide respiring bacteria (ORB) and the mechanism by which electrons are transferred to dehalogenating enzymes through protein-protein interactions. Organohalides were present in Earth's early history and now pollute the environment globally. Organohalide respiring bacteria (ORB) can degrade these pollutants by using them as terminal electron acceptors in their respiratory metabolism. This represents one of the most ancient respiratory systems on Earth about which little is known. This project will add to our fundamental knowledge of microbial evolution and metabolic systems, and pave the way for next generation organohalide remediation technologies.Read moreRead less
Identifying and creating essential habitat for rare Australian intertidal molluscs. Coastal development in Australia causes major changes to natural habitats. Obligations to conserve biodiversity are impossible without reliable information about how animals respond to habitat and how best to restore damaged habitat. Current management treats habitats as large-scale units and ignores fine-scale use of habitat by animals. This project will provide essential understanding to guide policy about coas ....Identifying and creating essential habitat for rare Australian intertidal molluscs. Coastal development in Australia causes major changes to natural habitats. Obligations to conserve biodiversity are impossible without reliable information about how animals respond to habitat and how best to restore damaged habitat. Current management treats habitats as large-scale units and ignores fine-scale use of habitat by animals. This project will provide essential understanding to guide policy about coastal conservation, by providing ecologically realistic understanding of associations between rare invertebrates and habitat. New protocols to measure these associations and success of restoration, will be applicable to any rare species in any complex habitat, increasing present capabilities for conservation.Read moreRead less
Exploiting natural processes to effectively remediate acidified coastal environments. Working with local government, industry and communities, this project aims to identify how natural processes can best be manipulated to limit acid sulfate soil discharge in many Australian estuaries. The expected outcomes are systematic remediation of these areas and improvement in estuarine water quality.
Investigation of chemical clogging in a permeable reactive barrier (PRB) installed for remediating groundwater from acid sulphate soils. Soil acidity is a major geo-environmental problem in coastal Australia, whereby acidified groundwater pollutes estuaries with catastrophic consequences on local aquaculture (e.g. fish, oyster and prawn farming) and agricultural industries. The project aims to optimise the design and performance of permeable reactive barriers (PRBs) utilising waste materials suc ....Investigation of chemical clogging in a permeable reactive barrier (PRB) installed for remediating groundwater from acid sulphate soils. Soil acidity is a major geo-environmental problem in coastal Australia, whereby acidified groundwater pollutes estuaries with catastrophic consequences on local aquaculture (e.g. fish, oyster and prawn farming) and agricultural industries. The project aims to optimise the design and performance of permeable reactive barriers (PRBs) utilising waste materials such as recycled concrete and oyster shells for neutralising groundwater acidity prior to discharge to waterways. The main research includes the study of potential clogging and fouling of these PRB materials due to chemical reactions and to develop a predictive tool for long-term PRB performance as a means of ground acidity alleviation.Read moreRead less