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Do hotter and drier regions harbour adaptive variation for climate change? This project aims to improve our understanding of the capacity of trees to respond to climate change. This is essential for the maintenance of biodiversity, forest health and productivity. In south-west Australia, climate variation has increased the frequency and intensity of droughts, which has resulted in tree death and negatively affected essential ecosystem services. Adaptive land management is urgently needed to miti ....Do hotter and drier regions harbour adaptive variation for climate change? This project aims to improve our understanding of the capacity of trees to respond to climate change. This is essential for the maintenance of biodiversity, forest health and productivity. In south-west Australia, climate variation has increased the frequency and intensity of droughts, which has resulted in tree death and negatively affected essential ecosystem services. Adaptive land management is urgently needed to mitigate the risk of large-scale drought mortality in a rapidly changing climate. This project seeks to deliver a scientific basis for the adoption of assisted gene migration in south-west forests, through a detailed understanding of genetic adaptation and physiological tolerance, to improve drought-resilience under future hotter and drier climates.Read moreRead less
Sex determination in dragons: Genetics, epigenetics and environment. This project aims to discover the master sex-determining gene in a reptile, how that gene is differentially regulated in males and females and by temperature, and to identify evolutionary drivers of transitions between genetic and environmental sex determination. In many reptiles, like mammals, chromosomes determine sex. In others, the temperature at which their eggs are incubated determines sex. This project will study how tem ....Sex determination in dragons: Genetics, epigenetics and environment. This project aims to discover the master sex-determining gene in a reptile, how that gene is differentially regulated in males and females and by temperature, and to identify evolutionary drivers of transitions between genetic and environmental sex determination. In many reptiles, like mammals, chromosomes determine sex. In others, the temperature at which their eggs are incubated determines sex. This project will study how temperature reverses chromosomal sex determination in dragon lizards. This could show how climatic extremes affect the biology of climate sensitive reptiles, and understand their vulnerability to climate change.Read moreRead less
Climate-related regime shifts in inland semi-arid ecosystems through ecohydrological proxies. This project will investigate the dynamics of climate, especially rainfall, of the northwest of Australia over the last few thousand years. Our findings will increase understanding of climate variability and contribute to sustainable management of water and biodiversity in semi-arid Australia.
Turf Wars: fighting the new battle facing blue forests. This project aims to use ecological models and field experiments to uncover drivers and critical thresholds for turf expansion. Habitat loss is a leading threat to goods and services from the oceans. Globally, kelp forests are collapsing and being replaced by persistent unwanted algal ‘turfs’. Understanding of this habitat shift is rudimentary, and solutions to mitigate the impacts virtually non-existent. Through stress experiments and geno ....Turf Wars: fighting the new battle facing blue forests. This project aims to use ecological models and field experiments to uncover drivers and critical thresholds for turf expansion. Habitat loss is a leading threat to goods and services from the oceans. Globally, kelp forests are collapsing and being replaced by persistent unwanted algal ‘turfs’. Understanding of this habitat shift is rudimentary, and solutions to mitigate the impacts virtually non-existent. Through stress experiments and genomic analyses, this project aims to discover resilient kelps that promote forest persistence under stress. By expanding our understanding of critical habitat transitions, and exploring new solutions, this project aims to enhance our capacity to respond to the ongoing degradation of Australia’s Great Southern Reef.Read moreRead less
Global threats to kelp forests from heatwaves, herbivores and diseases. This project aims to understand the mechanisms behind climate-mediated declines in kelp. Ocean warming causes the collapse of valuable temperate kelp forests globally and on both sides of Australia, but it is unknown if this is because of direct physiological effects from temperature or the indirect effects of changes in species interactions. This project will compare the direct effects of marine heatwaves to the indirect ef ....Global threats to kelp forests from heatwaves, herbivores and diseases. This project aims to understand the mechanisms behind climate-mediated declines in kelp. Ocean warming causes the collapse of valuable temperate kelp forests globally and on both sides of Australia, but it is unknown if this is because of direct physiological effects from temperature or the indirect effects of changes in species interactions. This project will compare the direct effects of marine heatwaves to the indirect effects of range-shifting tropical herbivores and pathogens for the kelp forests of the Great Southern Reef, one of Australia’s largest coastal ecosystems. This project will generate knowledge underpinning adaptation strategies for these critical ecosystems, and could enhance the capacity to respond to degradation of these natural assets.Read moreRead less
Origin and evolution of plant functional traits in relation to fire. This project addresses the fundamental question as to what extent the Australian flora is adapted to fire by tracing the evolutionary history of the iconic family Proteaceae over the last 100 million years. The answer to this question has significant implications for informing Australia’s fire management and nature conservation policies.
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE170100219
Funder
Australian Research Council
Funding Amount
$170,000.00
Summary
A multi-institutional environmental radioactivity research centre. This project aims to establish an environmental radioactivity research centre, equipped with ultra-low background and high-resolution alpha and gamma spectrometry systems, radon detectors and radium delayed coincidence counters. The centre will address a critical demand in Australia for precise analysis of a large suite of natural and artificial radionuclides, which will be used as tracers and chronological tools to investigate k ....A multi-institutional environmental radioactivity research centre. This project aims to establish an environmental radioactivity research centre, equipped with ultra-low background and high-resolution alpha and gamma spectrometry systems, radon detectors and radium delayed coincidence counters. The centre will address a critical demand in Australia for precise analysis of a large suite of natural and artificial radionuclides, which will be used as tracers and chronological tools to investigate key questions in oceanography and the mining and energy, archaeological, agricultural, and forestry sectors. The facility is expected to substantially increase expertise and training in radionuclides in Australia, and promote high-level research collaborations and outputs of both national and international significance. Major outcomes of the proposed facility include better understanding of how oceans regulate climate and improved capacity to assess effects of radiation on natural ecosystems.Read moreRead less
Improving prediction of rocky reef ecosystem responses to human impacts. This project aims to improve our understanding of inshore ecosystems to facilitate better management of our living marine heritage. The project first aims to extend field datasets on the density and distribution of thousands of marine fishes, invertebrates and macro-algae. These will then be combined using recent advances in quantitative ecological modelling to describe transfer of biomass between species at hundreds of sit ....Improving prediction of rocky reef ecosystem responses to human impacts. This project aims to improve our understanding of inshore ecosystems to facilitate better management of our living marine heritage. The project first aims to extend field datasets on the density and distribution of thousands of marine fishes, invertebrates and macro-algae. These will then be combined using recent advances in quantitative ecological modelling to describe transfer of biomass between species at hundreds of sites, with a primary focus on southern Australia. It is anticipated that this will provide site-level indices of major food web processes that, when combined with ‘before, after, control, impact’ data, will improve prediction of ecological consequences of fishing, climate change, pest outbreaks and pollution.Read moreRead less
Genes to ecosystems: drivers of resilience in underwater marine forests. This project seeks to determine if population connectivity and thermal stress limits the ecological performance and capacity for biological adaptation of seaweed forests to environmental change. The rates of warming in Australia’s temperate marine environments are among the fastest in the world, threatening seaweed forests that support rich marine life and generate substantial socioeconomic values. By integrating studies of ....Genes to ecosystems: drivers of resilience in underwater marine forests. This project seeks to determine if population connectivity and thermal stress limits the ecological performance and capacity for biological adaptation of seaweed forests to environmental change. The rates of warming in Australia’s temperate marine environments are among the fastest in the world, threatening seaweed forests that support rich marine life and generate substantial socioeconomic values. By integrating studies of connectivity among seaweed forests along replicate coastlines on both sides of the Australian continent, with field and breeding experiments, this project expects to expose the role of genetic diversity in mediating ecological resilience to rapid environmental change.Read moreRead less
Source - receptor analysis of lignin and lipid macromolecules in karst to quantify stalagmite biomarker proxies of vegetation and temperature change. Cave stalagmites are archives of past climate and environmental changes. This project seeks to develop two novel biomarkers, lignin and bacterial membrane lipids, from which we will generate new records of historic and prehistoric vegetation and temperature change.