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Discovery Early Career Researcher Award - Grant ID: DE200100490
Funder
Australian Research Council
Funding Amount
$426,742.00
Summary
Understanding infection tolerance to improve management of wildlife disease. This project aims to investigate tolerance (the ability to limit the detrimental effects of infection) as a key animal defence strategy against disease. It focuses on diseases in natural systems, using the devastating amphibian fungal skin disease, chytridiomycosis, as a model. Expected outcomes include improved understanding of the relative importance of tolerance and resistance, and insight into the key immune and phy ....Understanding infection tolerance to improve management of wildlife disease. This project aims to investigate tolerance (the ability to limit the detrimental effects of infection) as a key animal defence strategy against disease. It focuses on diseases in natural systems, using the devastating amphibian fungal skin disease, chytridiomycosis, as a model. Expected outcomes include improved understanding of the relative importance of tolerance and resistance, and insight into the key immune and physiologic mechanisms underlying variations in tolerance. Anticipated benefits include improved strategies for mitigating infectious wildlife diseases via identifying targets for therapeutic interventions, ecological management and assisted-evolution strategies. This project should also benefit amphibian conservation globally.Read moreRead less
Rapid evolution, and the dynamics and stability of ecological communities. Population sizes of species go up and down and often we do not know why. This is a problem because changes in population size underpin more complex ecological change, and understanding why population sizes change affects our ability to manage environmental impacts, and threatened, harvested and pest species. The aim of this project is to discover how rapid evolution – evolution occurring over just a few generations – driv ....Rapid evolution, and the dynamics and stability of ecological communities. Population sizes of species go up and down and often we do not know why. This is a problem because changes in population size underpin more complex ecological change, and understanding why population sizes change affects our ability to manage environmental impacts, and threatened, harvested and pest species. The aim of this project is to discover how rapid evolution – evolution occurring over just a few generations – drives changes in population sizes of plants in Australian freshwater ecosystems. By focusing on this fundamental yet poorly understood process, our results promise to rewrite our understanding of the causes of change in ecological communities, while highlighting a unique and little studied component of Australia’s biota.Read moreRead less
Evolution, adaptation and resilience of Australian freshwater fishes. This project will integrate comparative ecological genomics (in the wild and in the lab), phenotypic data and spatially-explicit modelling approaches to assess adaptation and vulnerability of aquatic biodiversity to environmental change. It focuses on a family of Australian freshwater fishes that evolved in response to hydrological disturbance and shows contemporary patterns of biodiversity shaped by hydroclimatic variation an ....Evolution, adaptation and resilience of Australian freshwater fishes. This project will integrate comparative ecological genomics (in the wild and in the lab), phenotypic data and spatially-explicit modelling approaches to assess adaptation and vulnerability of aquatic biodiversity to environmental change. It focuses on a family of Australian freshwater fishes that evolved in response to hydrological disturbance and shows contemporary patterns of biodiversity shaped by hydroclimatic variation and anthropogenic pressures. The project expects to disclose a positive correlation between family-wide adaptive capacity and variance in ecological disturbance. This work will address fundamental and novel questions about factors shaping adaptation and resilience along naturally and anthropogenically disturbed ecosystems.Read moreRead less
The evolutionary potential of fragmented and declining populations. This project aims to integrate adaptive genomic and epigenomic information from wild, captive and reintroduced populations to identify evolutionary potential across different life-histories and levels of habitat fragmentation. The project will capitalise on knowledge and genomic resources for Australian freshwater fishes, including a natural experiment of evolution. It is expected that the project will address fundamental and ap ....The evolutionary potential of fragmented and declining populations. This project aims to integrate adaptive genomic and epigenomic information from wild, captive and reintroduced populations to identify evolutionary potential across different life-histories and levels of habitat fragmentation. The project will capitalise on knowledge and genomic resources for Australian freshwater fishes, including a natural experiment of evolution. It is expected that the project will address fundamental and applied questions about the adaptive capacity of populations in their natural environment. The outcomes of the project will help evaluate and improve local and ecosystem-level initiatives towards the sustainable management of aquatic biodiversity impacted by human activities. The project will also inform on management of water resources in the Murray-Darling Basin.Read moreRead less
The ecological impact of large carnivore restoration. This project aims to assess the ecological changes that have arisen due to the repatriation of estuarine crocodiles to Australian ecosystems. It is significant because the restoration provides a rare opportunity to empirically test changes in ecosystem processes under varying degrees of large carnivore predation pressure. Expected outcomes include improved understanding of the processes that govern the strength of predator-ecosystem interacti ....The ecological impact of large carnivore restoration. This project aims to assess the ecological changes that have arisen due to the repatriation of estuarine crocodiles to Australian ecosystems. It is significant because the restoration provides a rare opportunity to empirically test changes in ecosystem processes under varying degrees of large carnivore predation pressure. Expected outcomes include improved understanding of the processes that govern the strength of predator-ecosystem interactions and an ability to quantify the biomass, social structure, and behaviours of predators required to influence these processes. Benefits should include improvements in how the ecological role of large carnivores is measured, and when and where carnivore populations should be culled or conserved.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE200101424
Funder
Australian Research Council
Funding Amount
$425,469.00
Summary
Conservation agriculture for aquatic wildlife in dams and wetlands. This project aims to investigate the capacity of farm dam management strategies to simultaneously support nature conservation and agricultural production. The project expects to generate new knowledge in the areas of conservation biology and sustainable agriculture by using experiments that identify the interdependence of cattle grazing and habitat quality of wetlands. Anticipated outcomes include a framework for evaluating mana ....Conservation agriculture for aquatic wildlife in dams and wetlands. This project aims to investigate the capacity of farm dam management strategies to simultaneously support nature conservation and agricultural production. The project expects to generate new knowledge in the areas of conservation biology and sustainable agriculture by using experiments that identify the interdependence of cattle grazing and habitat quality of wetlands. Anticipated outcomes include a framework for evaluating management strategies in terms of their dual capacity to support aquatic wildlife and livestock production. Significant benefits include increased productivity through the improved management of wetlands and dams on farms and the recogniton of undervalued conservation resources.Read moreRead less
Outfoxing the fox: new cost-effective ways to protect threatened species. This project aims to address the damage caused by invasive foxes by applying new methods of protection for threatened species. This project expects to generate new knowledge in the areas of conservation biology and invasive species management by comparing the effectiveness of fox control strategies for improving the population viability of declining freshwater turtles. Expected outcomes of this project include a community- ....Outfoxing the fox: new cost-effective ways to protect threatened species. This project aims to address the damage caused by invasive foxes by applying new methods of protection for threatened species. This project expects to generate new knowledge in the areas of conservation biology and invasive species management by comparing the effectiveness of fox control strategies for improving the population viability of declining freshwater turtles. Expected outcomes of this project include a community-based conservation model that prevents turtle extinctions in south-eastern Australia at considerable cost savings. Significant benefits include improved management of the impacts of invasive species, and restoration of ecosystem services provided by the scavenging role of freshwater turtles for maintaining water quality.Read moreRead less
Biomagnification of the biotoxin BMAA in the environment. Using unique models and technics, the project aims to demonstrate that long-term exposure to the blue green algae toxin β-N-methylamino-l-alanine (BMAA) leads to uptake, accumulation and toxicity within the central nervous system. The risks for heath, mechanisms of contamination and toxicity of BMAA are very poorly understood. Algal blooms cost the Australian community more than $250 million each year and represent a major health issue fo ....Biomagnification of the biotoxin BMAA in the environment. Using unique models and technics, the project aims to demonstrate that long-term exposure to the blue green algae toxin β-N-methylamino-l-alanine (BMAA) leads to uptake, accumulation and toxicity within the central nervous system. The risks for heath, mechanisms of contamination and toxicity of BMAA are very poorly understood. Algal blooms cost the Australian community more than $250 million each year and represent a major health issue for human and fauna. This project aims to be the first to fully characterise BMAA mechanisms of contamination and neurotoxicity and to highlight the major environmental risk of exposure of human to BMAA. It also aims to develop new and unique detection and quantification tools for BMAA.Read moreRead less
Species redundancy in response to multiple disturbances. This project aims to elucidate how the context within which disturbances occur affects food web linkages and how these map to responses in ecosystem function. There is a critical need to test the common assumption in environmental management that high biodiversity makes ecosystems resilient to disturbances. Studies that merely observe biodiversity change after disturbance cannot identify ecological processes connecting high diversity and e ....Species redundancy in response to multiple disturbances. This project aims to elucidate how the context within which disturbances occur affects food web linkages and how these map to responses in ecosystem function. There is a critical need to test the common assumption in environmental management that high biodiversity makes ecosystems resilient to disturbances. Studies that merely observe biodiversity change after disturbance cannot identify ecological processes connecting high diversity and ecosystem function, making experiments that manipulate identical disturbances in ecosystems with different biodiversity essential. This project will use field experiments that manipulate disturbances in streams replicated in low and high biodiversity regions and across gradients of chronic background stress to show how biodiversity sustains functional ecosystems, and how much diversity can be lost before ecosystems collapse.Read moreRead less
Taking eDNA underground: transforming assessment of subterranean ecosystems. This project aims to improve Environmental Impact Assessment and monitoring of subterranean ecosystems by developing a rigorous, credible and practicable environmental DNA assessment framework. Resource companies in Western Australia are mandated to assess groundwater biodiversity under Environmental Protection legislation. Current surveys are time-consuming (expensive) and biased toward common taxa. For regulators, sta ....Taking eDNA underground: transforming assessment of subterranean ecosystems. This project aims to improve Environmental Impact Assessment and monitoring of subterranean ecosystems by developing a rigorous, credible and practicable environmental DNA assessment framework. Resource companies in Western Australia are mandated to assess groundwater biodiversity under Environmental Protection legislation. Current surveys are time-consuming (expensive) and biased toward common taxa. For regulators, stakeholders and industry involved in this project we will provide real-world information and cost savings through innovation in understanding patterns in species boundaries and detection of subterranean fauna. The outcomes will be directly applicable to monitoring subterranean ecosystems across Australia and internationally.Read moreRead less