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Does plant phosphorus economy determine ecological status in biodiverse Australian communities? The phosphorus (P)-impoverished nature of the soils of south-western Australia has allowed the evolution of many plant species that are amazingly efficient at acquiring and utilising P. Among the most P efficient are species of the Proteaceae, which produce cluster roots. We will explore why less efficient species can co-occur with the very efficient Proteaceae. A deep and thorough understanding of th ....Does plant phosphorus economy determine ecological status in biodiverse Australian communities? The phosphorus (P)-impoverished nature of the soils of south-western Australia has allowed the evolution of many plant species that are amazingly efficient at acquiring and utilising P. Among the most P efficient are species of the Proteaceae, which produce cluster roots. We will explore why less efficient species can co-occur with the very efficient Proteaceae. A deep and thorough understanding of the mechanism determining P efficiency of these species will contribute significantly to our basic understanding of P nutrition in plants and to our understanding of the P-impoverished ecosystems of the southwest. It will also assist in developing crops that are more efficient at acquiring and/or utilising P.Read moreRead less
Ecology and conservation of a unique, threatened guanophilic invertebrate community. This project aims to study the biology and ecology of a unique assemblage of insects and other invertebrates that live specifically in bat guano at Naracoorte Caves World Heritage Area. The caves are a major ecotourism and research location because of their world famous Pliestocene fossils, and because one cave is a critical breeding site for the large bentwing bat, Miniopterus s. bassianii. The guano cave, whic ....Ecology and conservation of a unique, threatened guanophilic invertebrate community. This project aims to study the biology and ecology of a unique assemblage of insects and other invertebrates that live specifically in bat guano at Naracoorte Caves World Heritage Area. The caves are a major ecotourism and research location because of their world famous Pliestocene fossils, and because one cave is a critical breeding site for the large bentwing bat, Miniopterus s. bassianii. The guano cave, which contains numerous endemic invertebrates, is potentially threatened by both direct and indirect human impacts. The results of this research will form the basis of a long-term management strategy to conserve this diverse community.Read moreRead less
Management of coastal lakes to minimise invasion. The European shore crab has the potential to undermine the productivity of Australia's estuaries and devastate our shellfish industries, worth over $50 million p.a. This project will provide estuarine managers with the data urgently needed to prevent spread of this pest species. In doing so, it will help to ensure the future prosperity of our seafood industries and the sustainability of our unique coastal biodiversity. The outcomes of this projec ....Management of coastal lakes to minimise invasion. The European shore crab has the potential to undermine the productivity of Australia's estuaries and devastate our shellfish industries, worth over $50 million p.a. This project will provide estuarine managers with the data urgently needed to prevent spread of this pest species. In doing so, it will help to ensure the future prosperity of our seafood industries and the sustainability of our unique coastal biodiversity. The outcomes of this project will be applicable to the management of many of the > 200 introduced marine species already present within our coastal waters. Importantly, the project will also contribute to research training in new techniques to protect Australia from future pest invasions.Read moreRead less
Backyard Bandicoots: Engaging community in urban bushland conservation. Backyard bandicoots: Engaging community in urban bushland conservation. This project aims to develop a model for urban ecosystem function and restoration, by identifying resources used by urban bandicoots (quenda). Digging mammal species turn over substantial volumes of soil as they forage for invertebrates, subterranean fungi, and plant material. These ecosystem engineers contribute to water infiltration, nutrient cycling, ....Backyard Bandicoots: Engaging community in urban bushland conservation. Backyard bandicoots: Engaging community in urban bushland conservation. This project aims to develop a model for urban ecosystem function and restoration, by identifying resources used by urban bandicoots (quenda). Digging mammal species turn over substantial volumes of soil as they forage for invertebrates, subterranean fungi, and plant material. These ecosystem engineers contribute to water infiltration, nutrient cycling, increased soil microorganism function, and seedling recruitment. They spread hypogeous mycorrhizal fungi that contribute to plant nutrition, crucial in Australia's nutrient-poor soils. This research is expected to improve targeted plantings in bushland reserves, and identify and mitigate threats to bandicoots in cities.Read moreRead less
Pheromone evolution and ecology in insects on intra- and inter-specific scales. The study of pheromones is important because so many insect pests use them as part of their reproductive life cycle, increasing their potential to cause damage to crops and other natural products. My research will improve our understanding of the evolution of pheromones and communication by smell, a subject that has been largely neglected by evolutionary biologists. More specifically, by identifying the ecological fa ....Pheromone evolution and ecology in insects on intra- and inter-specific scales. The study of pheromones is important because so many insect pests use them as part of their reproductive life cycle, increasing their potential to cause damage to crops and other natural products. My research will improve our understanding of the evolution of pheromones and communication by smell, a subject that has been largely neglected by evolutionary biologists. More specifically, by identifying the ecological factors that influence pheromone evolution, the research will help to assess the long-term consequences of the control measures currently used against such pests and, in particular, will have direct applications to the prevention of damage to Australian pine plantations by the invasive five-spined bark beetle, Ips grandicollis. Read moreRead less
The effect of dissolved organic matter on the toxicity and bioavailability of metals in tropical freshwater ecosystems. Mine waste materials in tropical Australia, including historical, current and future operations, represent one of the threats to the quality and biodiversity of tropical freshwater ecosystems. Dissolved organic carbon (DOC) is thought to influence metal toxicity. In order to adequately understand the risks of priority metals and metalloids from mining and other activities (eg. ....The effect of dissolved organic matter on the toxicity and bioavailability of metals in tropical freshwater ecosystems. Mine waste materials in tropical Australia, including historical, current and future operations, represent one of the threats to the quality and biodiversity of tropical freshwater ecosystems. Dissolved organic carbon (DOC) is thought to influence metal toxicity. In order to adequately understand the risks of priority metals and metalloids from mining and other activities (eg. urban development) to tropical freshwater ecosystems, it is essential that the role of DOC is quantified. The outcomes of this project will provide improved metal risk assessment methodologies; quantitative understanding of the relationship between DOC and the bioavailability and toxicity of key metals such arsenic, aluminium, cadmium, copper, uranium and zinc.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE170100423
Funder
Australian Research Council
Funding Amount
$372,000.00
Summary
Sustainable reactive nitrogen management for Australian ecosystems. This project aims to quantify the overall nitrogen budget and its influencing factors in Australia; benchmark Australian performance against other nations; assess the costs and benefits of reactive nitrogen (Nr) use; and analyse policy settings and their feasibility for addressing the challenges of Australian Nr management. Nr, if poorly managed, can cause significant environmental degradation, but is essential for ecosystems, e ....Sustainable reactive nitrogen management for Australian ecosystems. This project aims to quantify the overall nitrogen budget and its influencing factors in Australia; benchmark Australian performance against other nations; assess the costs and benefits of reactive nitrogen (Nr) use; and analyse policy settings and their feasibility for addressing the challenges of Australian Nr management. Nr, if poorly managed, can cause significant environmental degradation, but is essential for ecosystems, especially agro-ecosystems. The project expects to provide a framework for the future sustainable use of Nr in relation to food production, environment protection and climate change in dry regions.Read moreRead less
Avian migrants as vectors of zoonotic diseases in a changing world. There is an urgent need to understand the role of migratory birds in spreading avian influenza and other diseases. This project focuses on the effect of global change on the interactions between avian influenza and threatened waders migrating between the Arctic, Asia and Australia. This project will help us assess and manage the health risks to man and birds alike.
Australian Laureate Fellowships - Grant ID: FL140100260
Funder
Australian Research Council
Funding Amount
$2,775,898.00
Summary
Using ancient microbiomes and genomes to reconstruct human history. Using ancient microbiomes and genomes to reconstruct human history. This project aims to generate unique insights into the processes and history that produced the current distribution of modern humans and the bacteria we carry with us (our microbiome). The project will use combined signals of bacterial, genomic and climate data to reconstruct the impacts of migrations, changes in diet, environment, and health in different parts ....Using ancient microbiomes and genomes to reconstruct human history. Using ancient microbiomes and genomes to reconstruct human history. This project aims to generate unique insights into the processes and history that produced the current distribution of modern humans and the bacteria we carry with us (our microbiome). The project will use combined signals of bacterial, genomic and climate data to reconstruct the impacts of migrations, changes in diet, environment, and health in different parts of the world. A key aspect will be the creation of a program to map the genetic history of indigenous Australia, and the impacts of colonisation on indigenous people around the world. Research advances will be transferred to Early Career Researchers through an innovative program of workshops, and the resulting data will be used to create a new format for Australian genetic databases.Read moreRead less
Factors controlling marine food webs: consumer vs. nutrient limitation of mobile invertebrates and algae. An understanding of the strength of interactions in marine food webs is crucial to predicting change in coastal habitats due to human activities. The outcomes of this research will indicate the relative importance of changes in nutrient inputs from terrestrial runoff (eutrophication) and predation pressures (via overfishing) - both of which may strongly affect the structure of marine habitat ....Factors controlling marine food webs: consumer vs. nutrient limitation of mobile invertebrates and algae. An understanding of the strength of interactions in marine food webs is crucial to predicting change in coastal habitats due to human activities. The outcomes of this research will indicate the relative importance of changes in nutrient inputs from terrestrial runoff (eutrophication) and predation pressures (via overfishing) - both of which may strongly affect the structure of marine habitats - on an extremely abundant and diverse component of coastal marine habitats.Read moreRead less