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Understanding the ecological effects of genetic diversity: causes, consequences and relative importance. This project will examine the effect of genetic diversity on key demographic parameters (for example, population growth rates) for organisms from three groups, including a commercially important oyster. This project provides valuable information that can be used by managers of wild and cultivated populations to minimise impacts of human activities and maximise yields.
Discovery Early Career Researcher Award - Grant ID: DE180100949
Funder
Australian Research Council
Funding Amount
$365,058.00
Summary
Did colour vision evolve in the dark? This project aims to investigate the ability of fishes to perceive colour in dim-light conditions by studying representatives from two delicate and endangered ecosystems, coral reefs (nocturnal fish) and the deep-sea. Through a multidisciplinary approach to understanding colour vision and animal behaviour, this study expects to fill a knowledge gap in visual neuroscience and ecology while adding to the understanding of how marine creatures see and interact. ....Did colour vision evolve in the dark? This project aims to investigate the ability of fishes to perceive colour in dim-light conditions by studying representatives from two delicate and endangered ecosystems, coral reefs (nocturnal fish) and the deep-sea. Through a multidisciplinary approach to understanding colour vision and animal behaviour, this study expects to fill a knowledge gap in visual neuroscience and ecology while adding to the understanding of how marine creatures see and interact. This should provide benefits in conservation and management strategies and may also inspire the development of new sensor technologies.Read moreRead less
Quantitative measures of brain evolution in early vertebrates. Why and how do brains become bigger? Using new quantitative methods of assessing the number of neurons with respect to both brain and body size, the project will trace the ways in which the brain (and its component parts) has evolved in a range of early vertebrates. The results will enable us to trace the evolution of cognitive abilities in animals.
The functions of reef fish colour patterns: how did the coral trout get its spots? How did the coral trout get its spots? Why are some reef fish striped yellow and blue while others dress in pink and orange blotches? This project goes beyond just interpreting animal colours and uses a new approach to reveal the meanings of whole body patterns. Uniquely, it does so through the eyes of the fish themselves.
The dynamics of evolution: How horizontal gene transfer drives the diversification and adaptation of complex, bacterial communities. The genetic exchange between populations is a prerequisite for the long-term evolution of bacteria, however its short-term dynamics are largely unexplored. This project aims to define the temporal dynamics of gene transfer and how it shapes the genetic composition of entire bacterial communities. Using innovative DNA sequencing technologies and bioinformatics, This ....The dynamics of evolution: How horizontal gene transfer drives the diversification and adaptation of complex, bacterial communities. The genetic exchange between populations is a prerequisite for the long-term evolution of bacteria, however its short-term dynamics are largely unexplored. This project aims to define the temporal dynamics of gene transfer and how it shapes the genetic composition of entire bacterial communities. Using innovative DNA sequencing technologies and bioinformatics, This project aims to offer a significant new understanding of the short-term diversification of communities and how different evolutionary forces shape bacterial function. It will show how bacterial systems can adapt to new environmental conditions and the effect on essential ecosystem functions.Read moreRead less
The evolution of light detection and its impacts on early vertebrate evolution. The eye is a complex organ crucial for survival. Tracing the evolution of the eye will not only provide basic concepts of how building visual complexity is achieved in nature but also enhance the understanding of the selection pressures driving the radiation of early vertebrates.
Discovery Early Career Researcher Award - Grant ID: DE220101296
Funder
Australian Research Council
Funding Amount
$397,908.00
Summary
Diving into deep-time: macroevolutionary patterns of aquatic tetrapods. This project aims to compare and contrast the broad-scale evolutionary patterns of the disparate lineages of aquatic tetrapod (e.g. whales, penguins, plesiosaurs). This project expects to generate new knowledge by utilising cutting-edge methods from several fields, e.g. three-dimensional scans, phylogenetic comparative methods and functional morphology. Expected outcomes include multiple high-quality publications and the dev ....Diving into deep-time: macroevolutionary patterns of aquatic tetrapods. This project aims to compare and contrast the broad-scale evolutionary patterns of the disparate lineages of aquatic tetrapod (e.g. whales, penguins, plesiosaurs). This project expects to generate new knowledge by utilising cutting-edge methods from several fields, e.g. three-dimensional scans, phylogenetic comparative methods and functional morphology. Expected outcomes include multiple high-quality publications and the development of new local and international collaborations. This will provide significant benefits, including revealing aquatic tetrapod evolution on an unprecedented scale and a better understanding of how some of Australia’s most iconic animals respond to global change, helping inform eco-tourism and conservation policies.Read moreRead less
The evolution of land-dwelling fish: contemporary analogues of a critical step in vertebrate evolution. One of the most important ecological transitions in the history of life was the colonization of land by fish in the Devonian. What made these fish move onto land is unknown and impossible to determine entirely from fossils. This project will test several hypotheses using living examples of fish that have made a similar transition to land.
Impact of global stressors on the metabolic balance of the coastal Indian Ocean. The pelagic community metabolic balance characterises the role of ocean biota as a sink or source of carbon dioxide. No estimates of net community metabolism are available for the Indian Ocean, which is a major gap in our knowledge. Key environmental stressors, UVB radiation and warming (particularly heat wave events) have the potential to impact on pelagic community metabolism, especially along the Western Australi ....Impact of global stressors on the metabolic balance of the coastal Indian Ocean. The pelagic community metabolic balance characterises the role of ocean biota as a sink or source of carbon dioxide. No estimates of net community metabolism are available for the Indian Ocean, which is a major gap in our knowledge. Key environmental stressors, UVB radiation and warming (particularly heat wave events) have the potential to impact on pelagic community metabolism, especially along the Western Australian coast. This project addresses the lack of estimates of plankton metabolic balance in the coastal Indian Ocean and assess how multiple concurrent stressors can affect pelagic metabolism in the coastal Indian Ocean in a context of global change.Read moreRead less
Some like it hot: invasive species, hybridisation, and a warming world. Temperatures are rising and invasive species are becoming more prevalent. This project aims to understand how climate change and hybridisation between exotic and native marine species leads to rapid adaptation. Using integrative approaches from genomics and physiology and focusing on Australian blue mussels, this proposal will test leading hypotheses about how climate change and hybridisation can enable rapid adaptation and ....Some like it hot: invasive species, hybridisation, and a warming world. Temperatures are rising and invasive species are becoming more prevalent. This project aims to understand how climate change and hybridisation between exotic and native marine species leads to rapid adaptation. Using integrative approaches from genomics and physiology and focusing on Australian blue mussels, this proposal will test leading hypotheses about how climate change and hybridisation can enable rapid adaptation and the spread of exotic species. Outcomes will include strategies for minimising impacts of invasive mussels and boosting warm-temperature adaptation in aquaculture mussels and restored shellfish reefs. This project will yield fundamental insights into how marine species can quickly adapt to warming seas.Read moreRead less