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Ecological forecasts of species response to fire, drought and heatwaves. This project will advance ecosystem forecasting by accounting for how legacy effects from extreme environmental events – prolonged droughts, floods, heatwaves and fires – persist into future years in vulnerable dryland ecosystems. As highly stressed environments are expected to leave increasingly large impacts on flora and fauna and exacerbate desertification, answers are urgently needed to understand and mitigate these imp ....Ecological forecasts of species response to fire, drought and heatwaves. This project will advance ecosystem forecasting by accounting for how legacy effects from extreme environmental events – prolonged droughts, floods, heatwaves and fires – persist into future years in vulnerable dryland ecosystems. As highly stressed environments are expected to leave increasingly large impacts on flora and fauna and exacerbate desertification, answers are urgently needed to understand and mitigate these impacts. This project will foster new appreciation of ecosystem features that build resilience to change, or that lead to collapse. Benefits include better forecasting tools to manage ecosystems at risk, improved security of biodiversity and food production in Australian rangelands, and training of early career researchers.Read moreRead less
Can parasites cause host population divergence? . Parasites have been proposed to be drivers of population divergence, and ultimately speciation, yet the dynamics of this process are not well understood. This project will utilise new genomic techniques, novel hybrid zone analyses, and data on mate choice, to investigate the hypothesis that parasites drive population divergence through an interaction with immune response genes in the sleepy lizard Tiliqua rugosa. This species provides an unpreced ....Can parasites cause host population divergence? . Parasites have been proposed to be drivers of population divergence, and ultimately speciation, yet the dynamics of this process are not well understood. This project will utilise new genomic techniques, novel hybrid zone analyses, and data on mate choice, to investigate the hypothesis that parasites drive population divergence through an interaction with immune response genes in the sleepy lizard Tiliqua rugosa. This species provides an unprecedented system, backed by 37 years of long term host-parasite and behavioural data, and recent genetic analyses. This project intends to produce significant data to allow an examination of the early stages of host-parasite evolution in action, providing novel insights into the speciation process. Read moreRead less
Genomics and mixed source populations in wildlife translocations. Translocation is a conservation strategy to help the plight of endangered species, and is becoming increasing important to mitigate against climate change. However translocations often fail. Theory suggests mixing individuals from different source populations would benefit species' genomic diversity and potentially success rates, however this is untested in animals. Also unclear is what parts of the genome are important for mitiga ....Genomics and mixed source populations in wildlife translocations. Translocation is a conservation strategy to help the plight of endangered species, and is becoming increasing important to mitigate against climate change. However translocations often fail. Theory suggests mixing individuals from different source populations would benefit species' genomic diversity and potentially success rates, however this is untested in animals. Also unclear is what parts of the genome are important for mitigating against climate change. Using an endangered lizard model, this project aims to understand how to best start new populations by 1) providing the first empirical test in terrestrial vertebrates of using mixed source populations; and 2) uncovering regions of the genome important for considering in translocations.Read moreRead less
Significance and mechanisms of evaporative water loss control by endotherms. This project plans to examine the novel hypothesis that mammals and birds can control and minimise their evaporative water loss in dry environments. Water balance is fundamental for the survival of mammals and birds. As a large component of total water loss, evaporative water loss is particularly critical for species in arid habitats and areas undergoing desertification and other habitat modifications. Control of water ....Significance and mechanisms of evaporative water loss control by endotherms. This project plans to examine the novel hypothesis that mammals and birds can control and minimise their evaporative water loss in dry environments. Water balance is fundamental for the survival of mammals and birds. As a large component of total water loss, evaporative water loss is particularly critical for species in arid habitats and areas undergoing desertification and other habitat modifications. Control of water loss is a previously unappreciated ability in mammals and birds. Determining the mechanistic basis for evaporative homeostasis would fundamentally change our knowledge of animal function, and may help us to predict and understand the effects of environmental change on survival and distribution limits for Australian fauna.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE170101466
Funder
Australian Research Council
Funding Amount
$372,000.00
Summary
Can Indigenous land management forestall an extinction crisis? This project aims to test the theory that a lack of Indigenous land management precipitated the collapse of Australia's mammal fauna. Current rates of species extinction exceed background rates by 100-1000 times, because of changes to ecosystems by humans. Paradoxically, Australia’s most pressing extinction crisis could be due to too little human disturbance. This project will test Indigenous land management’s capacity to forestall f ....Can Indigenous land management forestall an extinction crisis? This project aims to test the theory that a lack of Indigenous land management precipitated the collapse of Australia's mammal fauna. Current rates of species extinction exceed background rates by 100-1000 times, because of changes to ecosystems by humans. Paradoxically, Australia’s most pressing extinction crisis could be due to too little human disturbance. This project will test Indigenous land management’s capacity to forestall further mammal declines and restore degraded ecosystems, and enhance Indigenous livelihoods. Anticipated outcomes include on-ground principles for integrating Indigenous knowledge into biodiversity conservation, and transformative insights on the interdependence of humans and their environment.Read moreRead less
Understanding mycorrhizal phenotypes using functional traits. This project aims to develop a new framework linked to tangible, measurable traits of beneficial plant-fungal partnerships that lead to empirical predictions. The project expects to deliver an understanding of how ecological strategies of plant-fungal partnerships control plant productivity and soil nutrient cycling. Expected outcomes include new methods for predicting whether beneficial partnerships can be realised and knowledge that ....Understanding mycorrhizal phenotypes using functional traits. This project aims to develop a new framework linked to tangible, measurable traits of beneficial plant-fungal partnerships that lead to empirical predictions. The project expects to deliver an understanding of how ecological strategies of plant-fungal partnerships control plant productivity and soil nutrient cycling. Expected outcomes include new methods for predicting whether beneficial partnerships can be realised and knowledge that can be transformed into recommendations for practitioners. This should lead to significant impact associated with trustworthy assessments of commercial products and of management recommendations, supporting economic and environmental benefits linked with more productive soils and improved ecosystem health.Read moreRead less
Using decision theory to design smart plant surveys. Threatened species may remain unprotected, or weeds detected too slowly if, because of imperfect detection, a species is believed to be absent when it is in fact present. This project will develop new theory and combine it with new estimates of detection rates to minimise the impact of imperfect detection on management decisions.
Defining biologically significant units in spinifex (Triodia spp.) for improved ecological restoration in arid Australia. This project will investigate composition and functioning of the iconic spinifex grasslands of arid Australia. The findings will increase the capacity to restore these landscapes after mining. Project outcomes directly address the national priority for sustainable use of Australia’s biodiversity, particularly of vulnerable ecosystems.
Discovery Early Career Researcher Award - Grant ID: DE200100157
Funder
Australian Research Council
Funding Amount
$426,343.00
Summary
Breaking the link between predators and bushfire for fauna conservation. This project aims to quantify how bushfires amplify the impacts of invasive predators (feral cats and foxes) on native fauna. Through innovative field experiments and empirical modelling, this project expects to generate new knowledge in the key areas of wildlife conservation, fire ecology and invasive species management. Expected outcomes of this project include transformative insights into how threats interact to influenc ....Breaking the link between predators and bushfire for fauna conservation. This project aims to quantify how bushfires amplify the impacts of invasive predators (feral cats and foxes) on native fauna. Through innovative field experiments and empirical modelling, this project expects to generate new knowledge in the key areas of wildlife conservation, fire ecology and invasive species management. Expected outcomes of this project include transformative insights into how threats interact to influence biodiversity and greatly enhanced capacity to manage bushfires and invasive predators. These advances should provide significant benefits, including improved conservation of threatened species, advances in ecological theory and improved capacity to predict and respond to environmental change.Read moreRead less
Phenotypic plasticity and plant water use in a changing climate: a multi-species, multi-site investigation. Plants are highly responsive to the conditions under which they grow, but the combination of conditions they experience will be altered under climate change. This research into plant responses to the novel environments posed by climate change will examine plasticity in water-use-traits to better predict native plant tolerance of climate change.