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Global Climate Change, Carbon Dioxide (CO2), and the Evolution of Life in the Palaeozoic and Early Mesozoic. A critically important problem directly affecting our society is the effects of climate change on our life support systems and environment. But the impacts of climate change and increasing carbon dioxide (CO2) on the Earth's biosphere are not well understood, so much can be learnt from examining past events that have shaped its evolution. Our research will provide important new insights i ....Global Climate Change, Carbon Dioxide (CO2), and the Evolution of Life in the Palaeozoic and Early Mesozoic. A critically important problem directly affecting our society is the effects of climate change on our life support systems and environment. But the impacts of climate change and increasing carbon dioxide (CO2) on the Earth's biosphere are not well understood, so much can be learnt from examining past events that have shaped its evolution. Our research will provide important new insights into how life evolved and survived periods of major environmental upheaval in Earth history, especially its responses to large shifts in global temperatures and atmospheric CO2. These outcomes will provide valuable input to help project how future global warming and rapidly increasing carbon dioxide levels will likely impact our modern biosphere.Read moreRead less
The pace and rhythm of climate: 600,000 years in a biological hotspot. This project aims to generate knowledge of long-term changes in vegetation and rainfall for the Indo-Pacific Warm Pool (IPWP). The IPWP exerts enormous influence on the Earth’s climate through its interactions with the El Niño-Southern Oscillation, the Austral–Asian monsoons and the Inter-tropical Convergence Zone. Yet despite its importance, the response of the IPWP to global climate change remains uncertain. Through palynol ....The pace and rhythm of climate: 600,000 years in a biological hotspot. This project aims to generate knowledge of long-term changes in vegetation and rainfall for the Indo-Pacific Warm Pool (IPWP). The IPWP exerts enormous influence on the Earth’s climate through its interactions with the El Niño-Southern Oscillation, the Austral–Asian monsoons and the Inter-tropical Convergence Zone. Yet despite its importance, the response of the IPWP to global climate change remains uncertain. Through palynology, ancient sedimentary DNA and compound specific stable isotope analyses, this project aims to produce a terrestrial vegetation, fire and biodiversity record for the last 600 000 years in Sulawesi. The unrivalled length and resolution of this record for the region would make it a benchmark reconstruction of palaeoclimate that may transform our understanding of the IPWP.Read moreRead less
Evolution in tooth and claw: exploring the relationship between the radiation of marsupial herbivores and late Cenozoic climate change. Establishing how animals responded to past environmental changes is essential for understanding the ecology of modern species and managing them in light of contemporary climatic trends. By applying several novel analytical methods this project will unravel the links between the radiation of Australian marsupials and key stages in climatic evolution.
The origins of electroreception and nocturnality in the earliest known jawed vertebrates and their bearing on vertebrate diversification. This project aims to discover primary new data to pinpoint the timing, anatomical origins and phylogenetic significance when two key sensory systems first appeared in modern vertebrates: electroreception and specialised nocturnal vision. Such abilities today allow high diversity of vertebrates to co-exist within the same geographical range, for example on trop ....The origins of electroreception and nocturnality in the earliest known jawed vertebrates and their bearing on vertebrate diversification. This project aims to discover primary new data to pinpoint the timing, anatomical origins and phylogenetic significance when two key sensory systems first appeared in modern vertebrates: electroreception and specialised nocturnal vision. Such abilities today allow high diversity of vertebrates to co-exist within the same geographical range, for example on tropical reefs or rainforest communities, through careful temporal niche partitioning where reliance on other sensory systems takes over from vision and olfaction as the principal method of prey detection. This project aims to elucidate how the modern fish diversity was shaped by such significant early evolutionary events.Read moreRead less