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Testing the importance of large-scale climate factors to plant community assembly following land-use change. This project will examine the native plant species and functional diversity of Australia's rain forest communities to create a predictive framework of how plant communities recover following deforestation. Such a framework is key to focusing conservation efforts in degraded and multi-use landscapes.
Ocean acidification and marine fish: an evolutionary perspective. The overarching aim of this project is to advance knowledge on the long-term impacts of ocean acidification on marine fish and fisheries. An interrelated set of projects will be developed that tests the capacity of marine fish to adapt to projected future rises in ocean carbon dioxide and will investigate the effects of ocean acidification on apex predators and key fisheries species. The research will address critical knowledge ga ....Ocean acidification and marine fish: an evolutionary perspective. The overarching aim of this project is to advance knowledge on the long-term impacts of ocean acidification on marine fish and fisheries. An interrelated set of projects will be developed that tests the capacity of marine fish to adapt to projected future rises in ocean carbon dioxide and will investigate the effects of ocean acidification on apex predators and key fisheries species. The research will address critical knowledge gaps in ocean acidification research and provide advice about the impacts of ocean acidification on marine biodiversity and fisheries productivity on time scales relevant to strategic management and policy decision-making in Australia and internationally.Read moreRead less
Testing metabolic theories in ecology. There are striking similarities in the way plants and animals take up and use energy (metabolism), despite enormous variation in size and life-style. This project will make the first experimental comparison of the predictions of the two major theories for these broad patterns. The results will significantly progress this controversial and exciting field.
Spatial scale of influence of riparian and catchment land use on stream ecosystem health. Human activities at the landscape scale comprise one of the greatest threats to the ecological integrity of river ecosystems. Government and community groups across Australia are making significant efforts in riparian protection and rehabilitation in an attempt to improve the health of degraded waterways but are hampered in their goal to maximise the environmental gains for every dollar or unit effort inve ....Spatial scale of influence of riparian and catchment land use on stream ecosystem health. Human activities at the landscape scale comprise one of the greatest threats to the ecological integrity of river ecosystems. Government and community groups across Australia are making significant efforts in riparian protection and rehabilitation in an attempt to improve the health of degraded waterways but are hampered in their goal to maximise the environmental gains for every dollar or unit effort invested. The proposed research on understanding the spatial scale of influence of land use and the aggregative effects on stream ecosystems will provide a robust framework to assess various options and optimise benefits from management actions. Read moreRead less
Larval dispersal and settlement mechanisms in the first genome-enabled Australian marine animal, Amphimedon queenslandica (Porifera). We know remarkably little about the lives of the enigmatic animals that live on our stunning coral reefs, except that many have a tiny larval stage that travels far beyond where the adults can go. This project explores how genomes and environment work together to ensure that larvae spread their species around to keep our reefs vibrant and diverse.
A changing climate for calcification on the Great Barrier Reef: past, present and future. The Great Barrier Reef (GBR) is a national and international icon, recognised through its inscription as a World Heritage Area and economic and social value to Australians. Maintenance of the GBR as we know it is now compromised by a rapidly changing climate. Ocean acidification, warming water temperatures and increased freshwater will progressively be detrimental to the fundamental reef-building process ....A changing climate for calcification on the Great Barrier Reef: past, present and future. The Great Barrier Reef (GBR) is a national and international icon, recognised through its inscription as a World Heritage Area and economic and social value to Australians. Maintenance of the GBR as we know it is now compromised by a rapidly changing climate. Ocean acidification, warming water temperatures and increased freshwater will progressively be detrimental to the fundamental reef-building process of calcification. Informed policy and management strategies in a rapidly changing physical environment require determination, for short and long time frames, of the regional consequences and impacts of changing reef-building capacity.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE140101389
Funder
Australian Research Council
Funding Amount
$318,898.00
Summary
Impacts on wildlife populations of infection by multiple, interacting pathogens and the implications for disease management. Simultaneous infection by multiple pathogens is common in nature and interactions among pathogens within a host can profoundly alter the susceptibility of hosts to infection, disease severity and the probability of further transmission. This project aims to understand the consequences of these interactions on both wildlife populations and the communities of pathogens that ....Impacts on wildlife populations of infection by multiple, interacting pathogens and the implications for disease management. Simultaneous infection by multiple pathogens is common in nature and interactions among pathogens within a host can profoundly alter the susceptibility of hosts to infection, disease severity and the probability of further transmission. This project aims to understand the consequences of these interactions on both wildlife populations and the communities of pathogens that infect them. This knowledge will improve our ability to manage disease in wild populations, which is critical for protecting people, livestock and species of conservation concern from emerging disease threats. The application of these findings to koalas will enhance the efficiency and cost-effectiveness of disease management and improve long term population persistence.Read moreRead less
LARVAL RETENTION AND CONNECTIVITY IN CORAL REEF FISH POPULATIONS: A MULTI-TECHNIQUE APPROACH. A key unanswered question in marine ecology and fisheries management is - are planktonic juveniles retained within or transported among populations? The only three techniques that can potentially quantify larval dispersal distances are genetic markers, natural chemical signatures and applied chemical marks. This project combines, for the first time, all three techniques to measure the scale of disper ....LARVAL RETENTION AND CONNECTIVITY IN CORAL REEF FISH POPULATIONS: A MULTI-TECHNIQUE APPROACH. A key unanswered question in marine ecology and fisheries management is - are planktonic juveniles retained within or transported among populations? The only three techniques that can potentially quantify larval dispersal distances are genetic markers, natural chemical signatures and applied chemical marks. This project combines, for the first time, all three techniques to measure the scale of dispersal in two coral reef fish species. The relative importance of retention and connectivity will be measured, from a large scale encompassing different regions (Great Barrier Reef and Papua New Guinea) to a small scale focussing on individual reefs.Read moreRead less
Using larval connectivity to inform marine reserve network designs in the Coral Triangle. Networks of no-take marine reserves are considered critical tools to ensure conservation and food security targets in the Coral Triangle Region, just north of Australia. More than 1400 community-managed marine reserves have been established in the Philippines, the most populace part of the Coral Triangle. The local conservation and fisheries benefits of these reserves have been well documented. A need now e ....Using larval connectivity to inform marine reserve network designs in the Coral Triangle. Networks of no-take marine reserves are considered critical tools to ensure conservation and food security targets in the Coral Triangle Region, just north of Australia. More than 1400 community-managed marine reserves have been established in the Philippines, the most populace part of the Coral Triangle. The local conservation and fisheries benefits of these reserves have been well documented. A need now exists to convert these individual reserves into operational reserve networks. This project proposes to use new information on larval connectivity, biodiversity and human usage patterns, and local governance networks, to systematically improve the design of an existing Philippine reserve network. Read moreRead less
A novel approach to tracking estuarine food chains: combined use of fatty acid and stable isotope biomarkers. Fatty acid biomarkers provide promising novel tracers for studying estuarine food chains. Stable isotopes, commonly employed in food chain studies, lack specificity to allow easy determination of feeding relationships. Different primary producers are characterised by unique fatty acid sequences. This study will thoroughly evaluate the applicability of fatty acid biomarkers in tracking ....A novel approach to tracking estuarine food chains: combined use of fatty acid and stable isotope biomarkers. Fatty acid biomarkers provide promising novel tracers for studying estuarine food chains. Stable isotopes, commonly employed in food chain studies, lack specificity to allow easy determination of feeding relationships. Different primary producers are characterised by unique fatty acid sequences. This study will thoroughly evaluate the applicability of fatty acid biomarkers in tracking both natural and human-impacted estuarine food chains. By developing a new approach of combining the advantages of fatty acid bioamrkers and stable isotopes in studying estuarine trophodynamics, this study will provide essential information for the management of estuarine biotic resources.Read moreRead less