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Exploring the unseen: the adaptive significance of animal-visible and infrared colour change. Our research on benefits of rapid colour change in cold-blooded animals, spanning the full spectrum of solar energy, will provide novel insights into the adaptive significance of animal colour patterns. It will also provide a natural model for development of advanced colour-changing materials with a wide range of applications.
Epigenetic effects of environmental thyroid disruption. Anthropogenic impacts increasingly disrupt hormone-mediated responses to environmental change. The project aims to determine the interactive effects of climate warming, light-at-night, and plastic pollution on thyroid hormone signalling, and test whether these effects are passed between generations epigenetically. Epigenetic effects of endocrine disruption are one of the most important emerging conservation threats. Mathematical modelling o ....Epigenetic effects of environmental thyroid disruption. Anthropogenic impacts increasingly disrupt hormone-mediated responses to environmental change. The project aims to determine the interactive effects of climate warming, light-at-night, and plastic pollution on thyroid hormone signalling, and test whether these effects are passed between generations epigenetically. Epigenetic effects of endocrine disruption are one of the most important emerging conservation threats. Mathematical modelling of experimental data will help to predict how animals respond to anthropogenic impacts, and to acquire the tools necessary to maintain ecosystem function and services. The project will therefore have environmental benefits, as well as social benefits stemming from international collaborations and training.Read moreRead less
Ecological role of sleep in maintaining optimal brain function in birds. This project aims to explain the function of sleep. Sleep is thought to maintain optimal brain functioning to support waking cognition. Nearly all sleep research is laboratory-based, which fails to realistically capture how animals benefit from sleep. Ecologists treat sleep as a simple behaviour, instead of as a heterogeneous neurophysiological state, while neuroscientists generally fail to appreciate the insights ecologica ....Ecological role of sleep in maintaining optimal brain function in birds. This project aims to explain the function of sleep. Sleep is thought to maintain optimal brain functioning to support waking cognition. Nearly all sleep research is laboratory-based, which fails to realistically capture how animals benefit from sleep. Ecologists treat sleep as a simple behaviour, instead of as a heterogeneous neurophysiological state, while neuroscientists generally fail to appreciate the insights ecological and evolutionary systems offer. This project adopts a cross-disciplinary approach, bringing together animal behaviour, ecology, evolution, anthropogenic disturbance and sleep neurophysiology. By doing so, the project will add a new dimension of understanding on the functions of sleep.Read moreRead less
Extreme acid tolerance: Overcoming the challenges of life at low pH. This project aims to investigate tolerance to low pH freshwaters, focusing on the mechanisms that underpin acid tolerance, physiological plasticity, the interactions between low pH and other environmental variables (e.g. temperature), and the costs and/or trade-offs to living in such physiologically challenging environments. Low pH waters are toxic to most animals, yet some freshwater vertebrates have managed to colonise some o ....Extreme acid tolerance: Overcoming the challenges of life at low pH. This project aims to investigate tolerance to low pH freshwaters, focusing on the mechanisms that underpin acid tolerance, physiological plasticity, the interactions between low pH and other environmental variables (e.g. temperature), and the costs and/or trade-offs to living in such physiologically challenging environments. Low pH waters are toxic to most animals, yet some freshwater vertebrates have managed to colonise some of the lowest pH environments on Earth. In our rapidly changing world, this study is expected to provide an important fundamental understanding of the capacity of some organisms to flourish at environmental extremes and their ability to respond to increased variability both within and between environmental stressors.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.
Movement patterns and behavioural strategies of Estuarine Crocodiles: A long-term remote monitoring study using an underwater acoustic array. The on-going recovery of the estuarine crocodile population is creating a paradox for Australians. Although a salient species, an iconic animal, and a firm tourist attraction, estuarine crocodiles pose a significant risk to the public. Knowledge of where crocodiles go, what they do when they get there, and why they select particular habitats at certain tim ....Movement patterns and behavioural strategies of Estuarine Crocodiles: A long-term remote monitoring study using an underwater acoustic array. The on-going recovery of the estuarine crocodile population is creating a paradox for Australians. Although a salient species, an iconic animal, and a firm tourist attraction, estuarine crocodiles pose a significant risk to the public. Knowledge of where crocodiles go, what they do when they get there, and why they select particular habitats at certain times is critical for sustaining the Australian crocodile population, whilst ensuring public safety. This long term study will utilise the latest advancement in underwater acoustic technology to monitor the behavioural and physiological strategies used by estuarine crocodiles in occupying critical habitats, providing vital information for resource managers and policy makers. Read moreRead less
Plastic pollution: new driver altering responses to variable environments. This project aims to determine how bisphenol A (BPA), which now represents a novel environmental driver, alters physiological responses of animals, and how it interacts with other environmental variables to alter ecological and evolutionary trajectories. Plastic pollution is a monumental global environmental and health problem, and Australia has one of the world’s highest exposures to BPA, a plastics leachate. This projec ....Plastic pollution: new driver altering responses to variable environments. This project aims to determine how bisphenol A (BPA), which now represents a novel environmental driver, alters physiological responses of animals, and how it interacts with other environmental variables to alter ecological and evolutionary trajectories. Plastic pollution is a monumental global environmental and health problem, and Australia has one of the world’s highest exposures to BPA, a plastics leachate. This project will use a new zebrafish gene knock-out model to show whether the effects of BPA are transferred between generations, and will establish an international collaboration, thereby increasing Australia's research capacity. Outcomes from the project are expected to benefit environmental management.Read moreRead less
Immediate and delayed changes to survival, physiology, reproduction and movement of chondrichthyans following capture stress. Many sharks and rays are negatively affected by the impact of fisheries capture, with unknown consequences. The project will measure changes to survival, physiology, reproduction and behaviour following capture to better understand and manage the impact of fisheries on these animals. This information is vital for their effective conservation.
Skin in the game: biomimetics, fitness and the springtail cuticle. This project aims to examine the relationship between cuticle (skin) properties, water balance, and fitness in springtails, key players in soil systems. Springtail cuticles are diverse, responsive, and extremely resistant to wetting by water, alcohol and other substances. Their Australian diversity has not been well explored for biomimetic new materials. This project expects to explore options for new applications in materials sc ....Skin in the game: biomimetics, fitness and the springtail cuticle. This project aims to examine the relationship between cuticle (skin) properties, water balance, and fitness in springtails, key players in soil systems. Springtail cuticles are diverse, responsive, and extremely resistant to wetting by water, alcohol and other substances. Their Australian diversity has not been well explored for biomimetic new materials. This project expects to explore options for new applications in materials science and engineering by generalising the cuticle structure-function relationship. Expected outcomes are new information to harness for industry the diversity of nature’s self-cleaning, water repellent surfaces. Significant benefits lie in potential new biomimetic manufacturing options.Read moreRead less
More than defence: primary roles for cyanogenic glucosides. The tropical crop, sorghum, produces toxic cyanide to avoid being eaten by herbivores, but this diverts resources away from growth and reproduction. Using non-toxic sorghum mutants, this project seeks to explain how cyanide production is regulated and enhance agricultural efficiency in the face of climate change.