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
Senescence, sociality and sex. As individuals age, their body functions and survival prospects decline. Why some individuals deteriorate slower and later in life, is a critical question we cannot adequately answer, although the social environment has been suggested to be important. Using a recently established molecular biomarker of aging, this project aims to experimentally investigate in a wild bird if age-related decline is faster when individuals lack social support or face sexual competitio ....Senescence, sociality and sex. As individuals age, their body functions and survival prospects decline. Why some individuals deteriorate slower and later in life, is a critical question we cannot adequately answer, although the social environment has been suggested to be important. Using a recently established molecular biomarker of aging, this project aims to experimentally investigate in a wild bird if age-related decline is faster when individuals lack social support or face sexual competition. Expected outcomes are insights into key determinants of delayed aging and longer lifespan. Potential benefits include improved understanding of drivers of healthy aging, and improved ability to predict population persistence and identify conservation priorities. Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE140101075
Funder
Australian Research Council
Funding Amount
$374,837.00
Summary
Ecophysiology and evolution of sleep and adaptive sleeplessness. The function of sleep is enigmatic, even though the treatment of costly sleep disorders requires an understanding of the function that sleep performs. This project approaches this enigma with the comprehensive study of sleep in diverse animals to examine ecological-induced plasticity and evolution of sleep. Using innovative technologies in real-world situations, this project will spearhead the study of sleep ecophysiology to identi ....Ecophysiology and evolution of sleep and adaptive sleeplessness. The function of sleep is enigmatic, even though the treatment of costly sleep disorders requires an understanding of the function that sleep performs. This project approaches this enigma with the comprehensive study of sleep in diverse animals to examine ecological-induced plasticity and evolution of sleep. Using innovative technologies in real-world situations, this project will spearhead the study of sleep ecophysiology to identify animals that are resilient to the negative effects of sleep loss, and will determine whether the evolution of new types of animal was associated with the co-evolution of new types of sleep. The outcomes will have wide-ranging implications for our view of sleep function, prescriptions for an optimal amount of sleep and human health and wellbeing.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
The role of mycorrhizal fungi in the nutrition of temperate terrestrial orchids. This project addresses the role of external mycelial systems in the carbon and mineral nutrition of temperate terrestrial orchids. The project will determine the processes of nutrient transfer in the protocorm and adult phases of development across a range of terrestrial temperate orchids to inform conservation and restoration efforts.
Regime change: when and how do ecological subordinates turn dominant? This project aims to bridge the gap between physiology and ecology in kelp forest species by developing mechanistic models to predict change and, in an unprecedented step, test them in long-term experiments at naturally acidified sites to understand the consequences of ocean acidification (OA) and warming for kelp forests. Ecosystem change is a frequent outcome of decadal modifications of the physical and chemical environment. ....Regime change: when and how do ecological subordinates turn dominant? This project aims to bridge the gap between physiology and ecology in kelp forest species by developing mechanistic models to predict change and, in an unprecedented step, test them in long-term experiments at naturally acidified sites to understand the consequences of ocean acidification (OA) and warming for kelp forests. Ecosystem change is a frequent outcome of decadal modifications of the physical and chemical environment. Whilst these changes often involve degradation from productive states, we have a poor understanding of the mechanisms which drive change. Key stressors in marine systems, OA and warming are predicted to drive loss of kelp forests but we still don't understand the reality of these predictions.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.
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
Discovery Early Career Researcher Award - Grant ID: DE120100352
Funder
Australian Research Council
Funding Amount
$375,000.00
Summary
Understanding the origin and maintenance of megadiverse plant communities. South-western Australia hosts some of the most biologically diverse plant communities on Earth, and these occur on the most ancient, nutrient-impoverished soils. By studying coastal dunes of increasing age, this project will determine how megadiverse plant communities originate during long-term ecosystem development, and how they are maintained.
The role of plant-soil feedback in biodiversity maintenance along fertility gradients: from patterns to mechanisms. Plants strongly modify soils and their associated biota, which in turn has important consequences for plant growth. This is known as 'plant-soil feedback'. This project will determine whether such feedback plays a role in maintaining the exceptionally high levels of plant biodiversity found in the kwongan shrublands of south-western Australia.