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Emerging futures: transit-oriented development as a strategy for dealing with urban sprawl and congestion in South East Queensland. This project will examine the phenomenon of urban sprawl in SEQ to understand how sprawl is impacting on architectural and urban environments. Transit-oriented devlopment (TOD)is seen as a global strategy for inhibiting urban sprawl, but the benefits of TOD are not yet measured in Australia. With increased density around railway infrastructure the threat to public s ....Emerging futures: transit-oriented development as a strategy for dealing with urban sprawl and congestion in South East Queensland. This project will examine the phenomenon of urban sprawl in SEQ to understand how sprawl is impacting on architectural and urban environments. Transit-oriented devlopment (TOD)is seen as a global strategy for inhibiting urban sprawl, but the benefits of TOD are not yet measured in Australia. With increased density around railway infrastructure the threat to public safety is raised. This study will examine the wider issues of TOD with respect to four inter-disciplinary areas: architecture and urban design, urban planning, security, counter-terrorism and threat management, transport strategy and insitutional management.Read moreRead less
Enhancing native seed performance for minesite restoration and biodiversity conservation. The knowledge and practical outcomes generated from this project will facilitate more effective restoration of degraded native ecosystems through the return of a wider range of key understorey plant taxa and more efficient use of seed supplies. Availability of a broader suite of species will increase biodiversity, improve ecosystem resilience to change, and help in the conservation and recovery of nationall ....Enhancing native seed performance for minesite restoration and biodiversity conservation. The knowledge and practical outcomes generated from this project will facilitate more effective restoration of degraded native ecosystems through the return of a wider range of key understorey plant taxa and more efficient use of seed supplies. Availability of a broader suite of species will increase biodiversity, improve ecosystem resilience to change, and help in the conservation and recovery of nationally threatened taxa. By increasing the range of species with horticultural potential available for commercial propagation, it will also reduce the harvest of wild flowers. More efficient production and use of seed stocks will reduce the pressure on limited seed resources from seed harvesting.Read moreRead less
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
The importance of sediment denitrification in the nitrogen budget of the inshore wet tropics section of the Great Barrier Reef Lagoon. The Great Barrier Reef (GBR) is a World Heritage Area that has significant ecological, economical and social values for the Australian (world) community. Nutrient over-enrichment (eutrophication) associated with runoff from adjacent catchments is a major threat to the GBR. This study will quantify what proportion of the terrestrial nitrogen load delivered to the ....The importance of sediment denitrification in the nitrogen budget of the inshore wet tropics section of the Great Barrier Reef Lagoon. The Great Barrier Reef (GBR) is a World Heritage Area that has significant ecological, economical and social values for the Australian (world) community. Nutrient over-enrichment (eutrophication) associated with runoff from adjacent catchments is a major threat to the GBR. This study will quantify what proportion of the terrestrial nitrogen load delivered to the inshore wet tropics section of the Great Barrier Reef Lagoon is removed through sediment denitrification. Critical information for understanding the process of eutrophication in the GBR Lagoon that will be used by our Industry Partner in the management, rehabilitation and protection of the GBR.Read moreRead less
Influence of Marine Protected Areas on ecosystem resilience and ecological processes. Australia is implementing a national representative system of marine protected areas (MPAs). The aims of the MPAs include ensuring ecological viability, maintaining ecological processes, and protecting biodiversity. The ability of MPAs to achieve these aims, however, is based largely on theory rather than empirical evidence. Implementation of MPAs is often controversial as it may cause economic hardship to comm ....Influence of Marine Protected Areas on ecosystem resilience and ecological processes. Australia is implementing a national representative system of marine protected areas (MPAs). The aims of the MPAs include ensuring ecological viability, maintaining ecological processes, and protecting biodiversity. The ability of MPAs to achieve these aims, however, is based largely on theory rather than empirical evidence. Implementation of MPAs is often controversial as it may cause economic hardship to communities dependent on fishing. Our project will benefit environmental managers by determining if and how MPAs influence biodiversity, ecological processes, and ecosystem services and resilience. It will benefit the wider community by providing the rigorous scientific evidence in favour of MPAs that is demanded by stakeholders.Read moreRead less
In situ remediation in mine site rehabilitation. In situ remediation in mine site rehabilitation. By enhancing and guiding abiotic and biotic processes of soil development, this project aims to accelerate the in situ remediation of bauxite residue (alumina refining tailings). Over 7 gigatonnes of tailings are produced globally every year, comprising complex mineral assemblages at extremes of pH and salinity with minimal biological activity. This project will build detailed knowledge on the chemi ....In situ remediation in mine site rehabilitation. In situ remediation in mine site rehabilitation. By enhancing and guiding abiotic and biotic processes of soil development, this project aims to accelerate the in situ remediation of bauxite residue (alumina refining tailings). Over 7 gigatonnes of tailings are produced globally every year, comprising complex mineral assemblages at extremes of pH and salinity with minimal biological activity. This project will build detailed knowledge on the chemical, physical, and biological properties of bauxite residue and apply this to develop field-scale in situ remediation strategies. This research will also advance understanding of soil development and primary succession of microbial communities in extreme, anthropogenic environments such as those presented by tailings.Read moreRead less
Estuarine wetland rehabilitation and ecohydraulics: the link between hydraulics, sediment, benthic invertebrates, vegetation and migratory wading bird habitat. Water flow is the lifeblood of estuarine wetlands and has a major impact on ecological habitat. Despite this, little is known about the link between the threatened migratory birdlife, benthic invertebrates, wetland vegetation and the aqueous environment that supports them. This study will determine the interrelationships between key chara ....Estuarine wetland rehabilitation and ecohydraulics: the link between hydraulics, sediment, benthic invertebrates, vegetation and migratory wading bird habitat. Water flow is the lifeblood of estuarine wetlands and has a major impact on ecological habitat. Despite this, little is known about the link between the threatened migratory birdlife, benthic invertebrates, wetland vegetation and the aqueous environment that supports them. This study will determine the interrelationships between key characteristics of migratory wader habitat and the hydraulic environment. The study will be conducted in the internationally significant Hunter estuary. The project will result in ecological management strategies based on hydraulic control for estuarine wetlands. These are essential for the design of culverts and roads and other development throughout coastal Australia.Read moreRead less
Testing the potential of integrated vegetation bands to increase water retention, buffer climate extremes, sequester carbon and enhance production. The project will integrate a complex set of functions into one landscape restoration design which will benefit production and conservation objectives. These functions are improved use of surface runoff using native vegetation to reduce velocities and increase infiltration, improved soil and catchment condition through decreased erosion, lowering wind ....Testing the potential of integrated vegetation bands to increase water retention, buffer climate extremes, sequester carbon and enhance production. The project will integrate a complex set of functions into one landscape restoration design which will benefit production and conservation objectives. These functions are improved use of surface runoff using native vegetation to reduce velocities and increase infiltration, improved soil and catchment condition through decreased erosion, lowering wind speeds which desiccate landscape and erode valuable topsoil, providing a system of corridors for biodiversity, and sequestering carbon in woody biomass. IVB’s configuration captures the beneficial structural and functional attributes of vegetation while minimising competitive interactions. This will increase the resilience and productivity of Australian farming landscapes in a changing climate.Read moreRead less
Using biodiesel cleanup agents to reduce impacts on mangroves and tidal wetland ecosystems from oil spills. This Linkage project will demonstrate Australia's commitment towards minimisation of the ecological impacts of key pollutants like oil in the marine environment. It will also advance Australia's leadership position in the management of oil spill remediation and will, through the robust partnership developed with Australian Maritime Safety Authority build a skilled team better able to respo ....Using biodiesel cleanup agents to reduce impacts on mangroves and tidal wetland ecosystems from oil spills. This Linkage project will demonstrate Australia's commitment towards minimisation of the ecological impacts of key pollutants like oil in the marine environment. It will also advance Australia's leadership position in the management of oil spill remediation and will, through the robust partnership developed with Australian Maritime Safety Authority build a skilled team better able to respond effectively when such disasters occur. The challenge is to maintain this research focus and create some stability and continuity of the knowledge and experiences gained at the University of Queensland. Significantly the project will provide career-oriented research training opportunities in a field that clearly underpins National Research Priorities. Read moreRead less
Smart allocation of restoration funds. Over a quarter of Australia’s native forests and woodlands have been cleared since European settlement, and vegetation restoration is urgently needed to avoid further loss of species and ecosystem services (such as clean air and water). This project aims to develop new theory and methods to help environmental managers allocate restoration funds for vegetation recovery in a way that addresses the tension between risk aversion and aspirations to maximise retu ....Smart allocation of restoration funds. Over a quarter of Australia’s native forests and woodlands have been cleared since European settlement, and vegetation restoration is urgently needed to avoid further loss of species and ecosystem services (such as clean air and water). This project aims to develop new theory and methods to help environmental managers allocate restoration funds for vegetation recovery in a way that addresses the tension between risk aversion and aspirations to maximise return on investment. Restoration ecologists and decision scientists are here partnered with natural area managers from the City of Gold Coast, to make public expenditure on restoration more effective, efficient and transparent.Read moreRead less