Multitrophic interactions drive diversity-ecosystem function relationships. Soil communities, among the most abundant and diverse in nature are responsible for many critical ecosystem functions, including nutrient cycling and climate regulation. This project will determine whether consideration and quantification of interactions between different biotic communities – specifically among plants, soil microbes and animals, within and across trophic levels - can address underlying shortcomings in pr ....Multitrophic interactions drive diversity-ecosystem function relationships. Soil communities, among the most abundant and diverse in nature are responsible for many critical ecosystem functions, including nutrient cycling and climate regulation. This project will determine whether consideration and quantification of interactions between different biotic communities – specifically among plants, soil microbes and animals, within and across trophic levels - can address underlying shortcomings in predictions from classical biodiversity-ecosystem function theory. By advancing understanding of biological complexity and its impacts on ecosystem functions, the project will provide a unifying framework for understanding variation in ecosystem functions across scales, ecosystem types and multiple environmental disturbances.Read moreRead less
Causes and consequences of biogeochemical mismatches during drought. This project aims to provide improved understanding of biogeochemical cycling. Drought is one of the main threats to Earth’s ecosystems, but our ability to predict the consequences of drought remain limited. There is strong evidence that drought impacts critical carbon and nutrient cycles, with substantial impacts on ecosystem functioning. This project will provide insights into carbon, nitrogen and phosphorous cycles essential ....Causes and consequences of biogeochemical mismatches during drought. This project aims to provide improved understanding of biogeochemical cycling. Drought is one of the main threats to Earth’s ecosystems, but our ability to predict the consequences of drought remain limited. There is strong evidence that drought impacts critical carbon and nutrient cycles, with substantial impacts on ecosystem functioning. This project will provide insights into carbon, nitrogen and phosphorous cycles essential to generalise patterns of biogeochemical cycling under current and future conditions. The project will assist scientists, policymakers and landholders make better-informed management decisions to reduce the risks of drought impacts on ecosystem functioning.Read moreRead less
Rhizosphere mediation of soil greenhouse gas fluxes with climate change. Increasingly extreme heat waves, droughts and floods contribute major uncertainties in predicting natural land-based climate change mitigation. This project will quantify current and future greenhouse gas absorption in a managed grassland ecosystem, and the new knowledge will contribute to carbon emissions offsets in climate change accounting schemes. We will conduct this research using a manipulative field experiment, cont ....Rhizosphere mediation of soil greenhouse gas fluxes with climate change. Increasingly extreme heat waves, droughts and floods contribute major uncertainties in predicting natural land-based climate change mitigation. This project will quantify current and future greenhouse gas absorption in a managed grassland ecosystem, and the new knowledge will contribute to carbon emissions offsets in climate change accounting schemes. We will conduct this research using a manipulative field experiment, controlled laboratory incubations, microbial gene analysis and mechanistic modelling to provide new insights into future potential climate change mitigation by soils.Read moreRead less
Do microbial and plant diversity interact to regulate multifunctionality? This project aims to quantify the relative contribution of plant and microbial communities and their interactions on the rate, stability and resilience of ecosystem functions. Plant and soil microbial communities contribute to the functioning of terrestrial ecosystems, driving key processes such as carbon and nutrient cycling. This project will adapt established theories which indicate that greater plant diversity improves ....Do microbial and plant diversity interact to regulate multifunctionality? This project aims to quantify the relative contribution of plant and microbial communities and their interactions on the rate, stability and resilience of ecosystem functions. Plant and soil microbial communities contribute to the functioning of terrestrial ecosystems, driving key processes such as carbon and nutrient cycling. This project will adapt established theories which indicate that greater plant diversity improves ecosystem functions, stability and recovery. The expected outcome is a unifying framework for determining variation in functions across different ecosystem types and environmental disturbance such as rapid climate change.The insight gained into vulnerable ecosystems will help stakeholders (government, conservation, land management) to prioritise the focus on conservation and reduce risks to ecosystem services.Read moreRead less
Does fire control vegetation in the Tasmanian World Heritage Area? Aims: This project aims to discriminate between competing explanations for vegetation patterns in the Tasmanian Wilderness World Heritage Area: (a) fire (the legacy of Aboriginal burning), or (b) soil. We will do this through a novel, transdisciplinary research program.
Significance: The project expects to create new knowledge essential for achieving evidence-based fire management, as well as to advance a globally important ecol ....Does fire control vegetation in the Tasmanian World Heritage Area? Aims: This project aims to discriminate between competing explanations for vegetation patterns in the Tasmanian Wilderness World Heritage Area: (a) fire (the legacy of Aboriginal burning), or (b) soil. We will do this through a novel, transdisciplinary research program.
Significance: The project expects to create new knowledge essential for achieving evidence-based fire management, as well as to advance a globally important ecological theory.
Outcomes: Expected outcomes include significantly strengthened fire science and fire management capacity in Tasmania.
Benefit: Benefits should include the protection of globally significant cultural, biological and landscape values that sustain the vibrant Tasmanian tourist economy.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE180100570
Funder
Australian Research Council
Funding Amount
$365,058.00
Summary
Cyanobacterial bio-encapsulation for restoring degraded drylands. This project aims to discover the ecological and functional roles of cyanobacteria in drylands, and develop new technologies for their broad application in large-scale ecosystem restoration. The global demand for landscape-scale restoration requires novel approaches to deliver on the promise of reinstating healthy, sustainable, and biodiverse ecosystems. This project will harness next-generation DNA sequencing to select beneficial ....Cyanobacterial bio-encapsulation for restoring degraded drylands. This project aims to discover the ecological and functional roles of cyanobacteria in drylands, and develop new technologies for their broad application in large-scale ecosystem restoration. The global demand for landscape-scale restoration requires novel approaches to deliver on the promise of reinstating healthy, sustainable, and biodiverse ecosystems. This project will harness next-generation DNA sequencing to select beneficial cyanobacteria for incorporation into emerging seed enhancement technologies. The project will deliver innovative and cost-effective tools to overcome barriers to seedling recruitment and plant survival, and enhance the functionality of degraded dryland ecosystems. This will contribute to long-term cost savings to the Australian economy through reduced spending on environmental issues such as salinity, erosion, acidification and poor water quality.Read moreRead less
Drought effects on soil carbon and nitrogen cycling mediated by rhizosphere processes. There is much uncertainty about how drought caused by global warming will affect agricultural sustainability in Australia. This project will provide new knowledge about plant-soil interactions affecting carbon and nutrient cycling and will make predictions about long-term soil carbon storage and agricultural productivity in response to drought.
Discovery Early Career Researcher Award - Grant ID: DE210100043
Funder
Australian Research Council
Funding Amount
$454,000.00
Summary
Kangaroos, feral herbivores and bushfires: Consequences for forest dynamics. This project aims to investigate the functional role of native and introduced herbivores in forest ecosystems using a powerful, highly replicated, herbivore exclosure experiment. This project expects to create new knowledge of the effects of mammalian herbivores, particularly kangaroos and invasive deer, on forest plants, soils and productivity. Expected outcomes include fundamental insights into above and belowground i ....Kangaroos, feral herbivores and bushfires: Consequences for forest dynamics. This project aims to investigate the functional role of native and introduced herbivores in forest ecosystems using a powerful, highly replicated, herbivore exclosure experiment. This project expects to create new knowledge of the effects of mammalian herbivores, particularly kangaroos and invasive deer, on forest plants, soils and productivity. Expected outcomes include fundamental insights into above and belowground interactions in forests, and an enhanced capacity to predict effects of changing herbivore populations across environmental gradients, and following bushfire. This should produce significant benefits for forest management in Australia, allowing informed, targeted, and pre-emptive management of invasive herbivore populations.Read moreRead less