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Transitions between modes of sex-determination in a changing world. Sex-determination controls the largest variation within animals—the division into males and females. While the different systems of sex-determination—involving genetic or environmental control—are fairly well understood, transitions between these systems remain enigmatic in evolutionary biology. This project aims to address this gap by revealing the molecular change required to transition between systems, using one of only two k ....Transitions between modes of sex-determination in a changing world. Sex-determination controls the largest variation within animals—the division into males and females. While the different systems of sex-determination—involving genetic or environmental control—are fairly well understood, transitions between these systems remain enigmatic in evolutionary biology. This project aims to address this gap by revealing the molecular change required to transition between systems, using one of only two known lizard species exhibiting both genetic and temperature control of sex. This knowledge will have important implications for species conservation, facilitating predictions of highly biased sex ratios under climate change, plus potential commercial applications for species where production of one sex is favoured.Read moreRead less
Australian Laureate Fellowships - Grant ID: FL160100131
Funder
Australian Research Council
Funding Amount
$2,496,651.00
Summary
Geoengineering the Southern Ocean? A transdisciplinary assessment. Geoengineering the Southern Ocean? A transdisciplinary assessment. The project aims to comprehensively evaluate the feasibility of offsetting climate change by using geoengineering to boost carbon dioxide removal by Southern Ocean microbes. With existing polar datasets as a platform, the project would combine experiments and modelling to quantify carbon dioxide removal and critically assess the economic feasibility and side effec ....Geoengineering the Southern Ocean? A transdisciplinary assessment. Geoengineering the Southern Ocean? A transdisciplinary assessment. The project aims to comprehensively evaluate the feasibility of offsetting climate change by using geoengineering to boost carbon dioxide removal by Southern Ocean microbes. With existing polar datasets as a platform, the project would combine experiments and modelling to quantify carbon dioxide removal and critically assess the economic feasibility and side effects of geoengineering. Anticipated outcomes include a framework for governance of future research and informed national/international policy on using geoengineering to mitigate climate change.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE200100900
Funder
Australian Research Council
Funding Amount
$426,718.00
Summary
When and where are temperate reef communities vulnerable to ocean warming? This project will test in the laboratory and the field, when and where ocean warming will exceed the thermal limits of marine species and why certain species show greater sensitivity to warming temperatures than others. This project expects to generate robust estimates about how temperature sensitivity varies between populations across species’ ranges and identify the ecological implications for habitat loss in areas wher ....When and where are temperate reef communities vulnerable to ocean warming? This project will test in the laboratory and the field, when and where ocean warming will exceed the thermal limits of marine species and why certain species show greater sensitivity to warming temperatures than others. This project expects to generate robust estimates about how temperature sensitivity varies between populations across species’ ranges and identify the ecological implications for habitat loss in areas where thermal limits differ between key species. Expected outcomes include an enhanced capacity to detect when and where vulnerability hotspots will emerge that could jeopardise the immense social, ecological, and economic value of Australia’s temperate reefs, next to which 70% of Australians live, along 8,000 km of coastline.Read moreRead less
Novel governance for marine ecosystems in rapid transition. This project will develop the governance knowledge required to manage rapidly changing marine ecosystems. Australia has the third largest marine estate globally, and its ecosystems support critical economic and sociocultural values. However, human pressures are tipping marine ecosystems into alternate states, inspiring new interventions to sustain industries and communities. New interventions necessitate transitions in governance. Expec ....Novel governance for marine ecosystems in rapid transition. This project will develop the governance knowledge required to manage rapidly changing marine ecosystems. Australia has the third largest marine estate globally, and its ecosystems support critical economic and sociocultural values. However, human pressures are tipping marine ecosystems into alternate states, inspiring new interventions to sustain industries and communities. New interventions necessitate transitions in governance. Expected outcomes include a comparative understanding of novel marine interventions now underway globally, and practical guidance on how to diagnose and implement responsible marine governance. Significant benefits include enhanced governance and sustainability of Australian and international marine ecosystems.Read moreRead less
Poleward bound: mechanisms and consequences of climate-driven species redistribution in marine ecosystems. Global redistribution of Earth's species is widely recognised as a fingerprint of climate change. However, the physiological and ecological processes that underpin such shifts in the distribution of marine species are poorly understood. Even less is known about why species respond at different rates, and how such widespread changes will impact the structure and function of Australia's marin ....Poleward bound: mechanisms and consequences of climate-driven species redistribution in marine ecosystems. Global redistribution of Earth's species is widely recognised as a fingerprint of climate change. However, the physiological and ecological processes that underpin such shifts in the distribution of marine species are poorly understood. Even less is known about why species respond at different rates, and how such widespread changes will impact the structure and function of Australia's marine ecosystems. This research will address critical knowledge gaps of why and how species respond in vastly different ways to environmental change. Research outcomes will improve the capacity to predict responses of marine species and ecosystems to climate change and provide advice relevant to strategic management of valuable natural resources.Read moreRead less
Managing infectious disease through partial wildlife social networks. This project aims to investigate the dynamics of the spread of infectious disease in wildlife, derived from incomplete information about contact networks. Infectious diseases in wildlife are difficult to track and control, because it is not feasible to monitor each individual in a population and know the contact network for a population. The project will create ways to best utilise incomplete observational data of contact netw ....Managing infectious disease through partial wildlife social networks. This project aims to investigate the dynamics of the spread of infectious disease in wildlife, derived from incomplete information about contact networks. Infectious diseases in wildlife are difficult to track and control, because it is not feasible to monitor each individual in a population and know the contact network for a population. The project will create ways to best utilise incomplete observational data of contact networks to develop robust predictions of disease spread and population fate, and to reliably predict the outcomes of management interventions. These robust prediction methods will provide better insights for conservation of Australian wildlife.Read moreRead less
Enhanced Weathering – a sustainable tool for CO2 Removal? This project aims to be the first to assess risks and co-benefits of Enhanced Weathering for marine pelagic ecosystems. Enhanced Weathering is a powerful tool that can reduce atmospheric CO2 with significant economic co-benefits. However, it perturbs seawater chemistry and associated impacts on marine ecosystems are unknown. This project expects to combine state-of-the-art field and laboratory research to reveal whether Enhanced Weatherin ....Enhanced Weathering – a sustainable tool for CO2 Removal? This project aims to be the first to assess risks and co-benefits of Enhanced Weathering for marine pelagic ecosystems. Enhanced Weathering is a powerful tool that can reduce atmospheric CO2 with significant economic co-benefits. However, it perturbs seawater chemistry and associated impacts on marine ecosystems are unknown. This project expects to combine state-of-the-art field and laboratory research to reveal whether Enhanced Weathering is a sustainable tool for CO2 Removal. The project provides significant benefits as it builds capacity within the currently emerging research field “ocean-based climate change solutions”. Within this capacity, it will help to identify a sustainable and economically viable future for Australia.Read moreRead less
Reef health tipping-points: triage for threatened/collapsed reef ecosystems. The accelerating collapse of reef ecosystems represents one of the greatest threats for marine biodiversity and seafood production worldwide. To confront this emergency, this Fellowship will determine reef health tipping-points and provide a new 'reef ecosystem triage’ approach to prioritise the order of preventative treatments to safeguard threatened reefs, while directing remediation efforts to collapsed reefs where r ....Reef health tipping-points: triage for threatened/collapsed reef ecosystems. The accelerating collapse of reef ecosystems represents one of the greatest threats for marine biodiversity and seafood production worldwide. To confront this emergency, this Fellowship will determine reef health tipping-points and provide a new 'reef ecosystem triage’ approach to prioritise the order of preventative treatments to safeguard threatened reefs, while directing remediation efforts to collapsed reefs where recovery is most probable. The research will directly benefit reef-dependent industries and coastal communities by providing an objective evidence-based reef health system to protect against collapse and to identify our greatest opportunities to recover vast biodiversity and economic potential for reef ecosystems.Read moreRead less
Bridging the land–sea divide to ensure food security under climate change. This project aims to comprehensively evaluate ocean-based food solutions to meet food security needs under climate change. It will resolve a critical blind spot in current plans that isolate land and sea food systems and neglect their interdependencies. Combining global models and data, it will assess the constraints of ocean-based food solutions by anticipating and accounting for land-sea links including: agricultural ru ....Bridging the land–sea divide to ensure food security under climate change. This project aims to comprehensively evaluate ocean-based food solutions to meet food security needs under climate change. It will resolve a critical blind spot in current plans that isolate land and sea food systems and neglect their interdependencies. Combining global models and data, it will assess the constraints of ocean-based food solutions by anticipating and accounting for land-sea links including: agricultural runoff, shared feed resources for farmed animals, and trade-offs for biodiversity and climate mitigation. It will deliver a major leap in our capacity to undertake holistic ecosystem assessment of future food production pathways. Benefits will include integrated food–biodiversity–climate policies for Australia and the world.Read moreRead less
Understanding climate and harvest induced changes in fish life histories. This project aims to quantify the cumulative impacts of harvest and climate change across marine fishes and ecosystems. The project expects to generate new knowledge in this area by coupling the rich biological information archived in fish ear bones, with targeted multi-generation experiments and predictive modelling. Expected outcomes include fundamental insights into how human-induced environmental change affects fish gr ....Understanding climate and harvest induced changes in fish life histories. This project aims to quantify the cumulative impacts of harvest and climate change across marine fishes and ecosystems. The project expects to generate new knowledge in this area by coupling the rich biological information archived in fish ear bones, with targeted multi-generation experiments and predictive modelling. Expected outcomes include fundamental insights into how human-induced environmental change affects fish growth and maturation, and a subsequent critical evaluation of the sensitivity of fisheries models to trends in these life-history traits. This should provide significant benefits to fisheries and ecosystem management, ensuring they remain productive and resilient in a time of rapid environmental change.Read moreRead less