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The regeneration niche of invasive plants: managing the weed-shaped hole. In Australia $20 million was spent on weed control in natural areas in 2001-02 and is indicative of the level of funding for weed control programs each year. An understanding of how current weed control programs affect the regeneration of weeds in the system will give us novel insights into the persistence of weed populations despite sustained investment in control. Environmental weeds threaten biodiversity and ecosystem ....The regeneration niche of invasive plants: managing the weed-shaped hole. In Australia $20 million was spent on weed control in natural areas in 2001-02 and is indicative of the level of funding for weed control programs each year. An understanding of how current weed control programs affect the regeneration of weeds in the system will give us novel insights into the persistence of weed populations despite sustained investment in control. Environmental weeds threaten biodiversity and ecosystem function in unique Australian communities, better management of weeds will have conservation, ecosystem service provision and amenity values nationally. This project highlights the importance of understanding the weed regeneration niche for successful long-term and sustainable control.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
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
Discovery of the molecular mode of action of karrikins in plants. Karrikins are a newly-discovered family of naturally-occurring plant growth regulators that stimulate seed germination and seedling vigour. They were discovered in smoke and while they are centrally important in fire ecology they have far wider significance since species from non-fire-prone regions also respond to karrikins. Our research will discover how karrikins work at the molecular level in plant cells. Our discoveries will b ....Discovery of the molecular mode of action of karrikins in plants. Karrikins are a newly-discovered family of naturally-occurring plant growth regulators that stimulate seed germination and seedling vigour. They were discovered in smoke and while they are centrally important in fire ecology they have far wider significance since species from non-fire-prone regions also respond to karrikins. Our research will discover how karrikins work at the molecular level in plant cells. Our discoveries will be applied to improve growth of crop plants, to stimulate germination of weeds so that they can be eradicated, and in restoration ecology to revegetate degraded land such as minesites. Australia's world-leading position in this new important research area will be enhanced.Read moreRead less
Induction of multiple environmental stress tolerance in Australian native species for land rehabilitation using benzoic acid derivatives. The aim of this project is to develop methods to induce abiotic (drought, temperature, salinity) and biotic (die-back disease) stress tolerance in Australian plants by simple treatment using signalling molecules (benzoic acid derivatives) for conservation and land rehabilitation. These molecules occur naturally in plants and non-toxic. Plant establishment in r ....Induction of multiple environmental stress tolerance in Australian native species for land rehabilitation using benzoic acid derivatives. The aim of this project is to develop methods to induce abiotic (drought, temperature, salinity) and biotic (die-back disease) stress tolerance in Australian plants by simple treatment using signalling molecules (benzoic acid derivatives) for conservation and land rehabilitation. These molecules occur naturally in plants and non-toxic. Plant establishment in rehabilitation programs are very low due to exposure to stress. Furthermore, the loss to agricultural and horticultural industries resulting from environmental stresses is very high. Outcome of the project is the availability of plants with multiple stress tolerance enhancing success of rehabilitation programs with flow-through benefits to horticultural and agricultural industries.Read moreRead less
Sediment-derived scenarios of wetland status and change, the Lower River Murray, SA. River Murray wetlands changed early in European settlement so the pre-impact conditions are invisible to managers relying on anecdote or monitoring. Baseline conditions of wetlands can be derived from ecological archives preserved in sediments. Fossil diatom assemblages, reflective of past water quality, and other fossils, will be exhumed from sediment sequences to reconstruct wetland conditions. The integration ....Sediment-derived scenarios of wetland status and change, the Lower River Murray, SA. River Murray wetlands changed early in European settlement so the pre-impact conditions are invisible to managers relying on anecdote or monitoring. Baseline conditions of wetlands can be derived from ecological archives preserved in sediments. Fossil diatom assemblages, reflective of past water quality, and other fossils, will be exhumed from sediment sequences to reconstruct wetland conditions. The integration of multiple indicators of the past will generate graphic re-enactments of natural wetland dynamics. These will provide a vision for community and government on-ground managers enabling them to perceive appropriate targets for wetland state and so generate measures to work towards sustainable conditions.Read moreRead less
An inventory of past biodiversity in Western Australia using ancient DNA. Fossil bones and museum skins are genetic time capsules that facilitate the exploration of Australia's past biodiversity. Travelling back in 'genetic time' provides important insights into how ecosystems functioned prior to the arrival of Europeans and the feral species that accompanied them. This funding will facilitate research into the genetic heritage of endangered WA species such as Woylies and Cockatoos. Native speci ....An inventory of past biodiversity in Western Australia using ancient DNA. Fossil bones and museum skins are genetic time capsules that facilitate the exploration of Australia's past biodiversity. Travelling back in 'genetic time' provides important insights into how ecosystems functioned prior to the arrival of Europeans and the feral species that accompanied them. This funding will facilitate research into the genetic heritage of endangered WA species such as Woylies and Cockatoos. Native species face increasing pressures from climate change and invasive species. Compiling a genetic inventory of WA's past biodiversity will assist in developing scientifically sound conservation management responses. Such approaches are critically important if this biodiversity hotspot is to be preserved for future generations.Read moreRead less
Retrospective ecological character assessment for a review of Ramsar status of The Coorong, SA. Integrated analyses of the chemical and biological remains contained in the sediments of the Coorong will provide for a reconstruction of ecological change and variability over the last several thousand years. Detailed analyses of the recent sediments will measure how the condition of the Coorong has departed from this natural background and so provide an audit of human impact on the last wetland in t ....Retrospective ecological character assessment for a review of Ramsar status of The Coorong, SA. Integrated analyses of the chemical and biological remains contained in the sediments of the Coorong will provide for a reconstruction of ecological change and variability over the last several thousand years. Detailed analyses of the recent sediments will measure how the condition of the Coorong has departed from this natural background and so provide an audit of human impact on the last wetland in the Murray darling Basin. This evidence will directly inform the determination of the ecological character of this Ramsar listed, national ecological asset and steer its management for a sustainable future. Read moreRead less