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Discovery Early Career Researcher Award - Grant ID: DE170100841
Funder
Australian Research Council
Funding Amount
$372,000.00
Summary
Movement patterns of marine megafauna at unprecedented global scales. This project aims to apply analyses from big data approaches to reveal movement patterns at unprecedented scales. Environmental legislation dictates that industries (e.g. oil and gas) reduce their effect on marine megafauna such as sharks, whales, or turtles. However, the extent of their effect is unknown, due to limited understanding of these animals’ movements. With large satellite tracking datasets now available, the challe ....Movement patterns of marine megafauna at unprecedented global scales. This project aims to apply analyses from big data approaches to reveal movement patterns at unprecedented scales. Environmental legislation dictates that industries (e.g. oil and gas) reduce their effect on marine megafauna such as sharks, whales, or turtles. However, the extent of their effect is unknown, due to limited understanding of these animals’ movements. With large satellite tracking datasets now available, the challenge is to develop a synthetic analytical approach to identify scaling laws and to understand global drivers of marine megafauna movement. Findings are expected to improve the ability to sustainably exploit marine resources while conserving biodiversity.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE220101409
Funder
Australian Research Council
Funding Amount
$432,447.00
Summary
Quantifying trophic niches to measure the resilience of marine predators. This project aims to pair global movement with feeding ecology datasets to characterise relationships between space use and diet breadth, and tests the effects of marine industries on functional roles of marine predators. This expects to generate knowledge about population and individual specalisation using innovative biochemical approaches and shark’s unique dental anatomy. Expected outcomes include a biochemical database ....Quantifying trophic niches to measure the resilience of marine predators. This project aims to pair global movement with feeding ecology datasets to characterise relationships between space use and diet breadth, and tests the effects of marine industries on functional roles of marine predators. This expects to generate knowledge about population and individual specalisation using innovative biochemical approaches and shark’s unique dental anatomy. Expected outcomes include a biochemical database facilitating global collaborations, and a vulnerability scale to rank resilience to impacts based on relative specalisation. This should benefit managers by accounting for previously unknown effects of marine industries on specialists at elevated extinction risk, with limited resilience to local impacts and global change.Read moreRead less
How effective are environmental flows? Novel approaches for monitoring and assessing ecological responses to large-scale flow alteration. Australia has begun a multi-billion dollar program to return water to stressed rivers as environmental flows. However, during times of unprecedented water scarcity, such an investment in the environment can be controversial because the ecological benefits of released water are mostly poorly understood. This project will demonstrate the effectiveness of environ ....How effective are environmental flows? Novel approaches for monitoring and assessing ecological responses to large-scale flow alteration. Australia has begun a multi-billion dollar program to return water to stressed rivers as environmental flows. However, during times of unprecedented water scarcity, such an investment in the environment can be controversial because the ecological benefits of released water are mostly poorly understood. This project will demonstrate the effectiveness of environmental flows, and promote greater understanding of the links between flow patterns and river health. The project will build upon existing knowledge to create a sound framework for planning, monitoring, and evaluation of environmental watering decisions across regional Australia, greatly improving our ability to sustainably manage rivers into the future.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE160100904
Funder
Australian Research Council
Funding Amount
$360,000.00
Summary
Connections between imperfect detection and ecological inference. This project is designed to resolve whether or when it is important to account for imperfect detection when modelling communities of species. Robust conservation and environmental decisions require reliable estimates of biodiversity, yet current modelling methods may be biased because they fail to account for the imperfect detection of species. Improving the models requires good understanding about levels and patterns of species d ....Connections between imperfect detection and ecological inference. This project is designed to resolve whether or when it is important to account for imperfect detection when modelling communities of species. Robust conservation and environmental decisions require reliable estimates of biodiversity, yet current modelling methods may be biased because they fail to account for the imperfect detection of species. Improving the models requires good understanding about levels and patterns of species detectability, which is currently lacking. The project intends to bridge this gap by producing a global synthesis of species detectability across taxa, geographical regions and survey methods. The project then aims to evaluate the performance and limitations of existing and emerging community modelling methods in ecology to enable better biodiversity conservation decisions.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
Boxing clever: artificial nest boxes as a conservation and research tool. Saving endangered species increasingly requires proactive management. This project presents an innovative and practical solution to save an iconic Australian species, while also providing the scientific foundation for the development of a novel Australian-based commercial product that will be used to protect and restore Australian biodiversity.
Assessing linkages across arid zone estuarine landscapes. We aim to understand the degree of connectivity between the terrestrial environment and estuaries in the arid tropics of Australia. We will investigate the impact of terrestrial-estuarine linkages on near shore food webs, which include a diverse fauna, some of which are commercially important. Human activities in the land-ocean interface have to have the capacity to alter greatly the timing, magnitude, and composition of inputs from water ....Assessing linkages across arid zone estuarine landscapes. We aim to understand the degree of connectivity between the terrestrial environment and estuaries in the arid tropics of Australia. We will investigate the impact of terrestrial-estuarine linkages on near shore food webs, which include a diverse fauna, some of which are commercially important. Human activities in the land-ocean interface have to have the capacity to alter greatly the timing, magnitude, and composition of inputs from watersheds to estuaries, thereby greatly altering the function of estuaries. The results of this project will fill a gap in our knowledge of how arid zone estuaries function, and will contribute to developing management strategies needed to maintain estuary productivity.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
Biotic connectivity within the temperate Australian marine protected area network at three levels of biodiversity, communities, populations and genes. Project outcomes will improve management of coastal biodiversity through a multi-state collaboration of managers, marine ecologists, population geneticists and taxonomists. Sites most needed within marine protected area (MPA) networks for maintaining resilience of populations across seascapes will be identified, including sites with exceptional en ....Biotic connectivity within the temperate Australian marine protected area network at three levels of biodiversity, communities, populations and genes. Project outcomes will improve management of coastal biodiversity through a multi-state collaboration of managers, marine ecologists, population geneticists and taxonomists. Sites most needed within marine protected area (MPA) networks for maintaining resilience of populations across seascapes will be identified, including sites with exceptional endemism or key roles in dispersal of larvae. The ecological efficacy of the temperate Australian MPA network will be assessed through analysis of long-term ecological datasets and further development of a novel 'remote sensing' methodology, whereby surveys are undertaken by volunteer divers across much greater spatial and temporal scales than could be studied by dedicated scientific dive teams.Read moreRead less
LIZARD SOCIAL BEHAVIOUR AND THE INFLUENCE OF PARASITES. We ask why stable social group living in animals, with well documented benefits, is relatively rare. One cost is the enhanced opportunity for parasite and disease transmission among group members. We will explore, for a lizard, the impact of group living on parasite infections, and the costs of infection. We expect to produce observational and experimental results with an unusual level of detail, and with a fresh taxonomic perspective to in ....LIZARD SOCIAL BEHAVIOUR AND THE INFLUENCE OF PARASITES. We ask why stable social group living in animals, with well documented benefits, is relatively rare. One cost is the enhanced opportunity for parasite and disease transmission among group members. We will explore, for a lizard, the impact of group living on parasite infections, and the costs of infection. We expect to produce observational and experimental results with an unusual level of detail, and with a fresh taxonomic perspective to influence debate in this central area of behavioural ecology. We will also produce new information on behavioural ecology of Australian fauna, important for conservation management and ecotourism.Read moreRead less