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Maintenance of Australia's soil resource - water, microbial diversity and function. Water availability is the major limitation to biological activity in semi-arid regions of Australia. We aim to quantify the dynamic relationships between organic matter cycling, microbial diversity and function in relation to seasonality, drought and land management. This will lead to a comprehensive understanding of how water mediates the diversity of soil organisms and their associated functions. This is of sp ....Maintenance of Australia's soil resource - water, microbial diversity and function. Water availability is the major limitation to biological activity in semi-arid regions of Australia. We aim to quantify the dynamic relationships between organic matter cycling, microbial diversity and function in relation to seasonality, drought and land management. This will lead to a comprehensive understanding of how water mediates the diversity of soil organisms and their associated functions. This is of specific relevance to maintaining biodiversity within the unique soil ecosystems that have developed under Australian climatic conditions.Read moreRead less
How do soils grow? Modelling soil development in the landscape. This project addresses the fundamental environmental issue of land degradation in Australia. The environment is both sensitive and diverse with uses from intensive agriculture, grazing, to large scale industrial. This project will build a model that will enable us to understand how soil forms and landscape evolves with time, to reconstruct the history of soil. The model will allow us to make the Australian populous aware of the frag ....How do soils grow? Modelling soil development in the landscape. This project addresses the fundamental environmental issue of land degradation in Australia. The environment is both sensitive and diverse with uses from intensive agriculture, grazing, to large scale industrial. This project will build a model that will enable us to understand how soil forms and landscape evolves with time, to reconstruct the history of soil. The model will allow us to make the Australian populous aware of the fragility of soil formation. This will lead to greater social awareness of our precarious position on the Australian landscape.Read moreRead less
Mechanisms of heavy metals sequestration and immobilization by goethite in multi-element environments. The research project will achieve critical goals of protecting river and ground water, and soil environments from toxic waste emissions from abandoned mine sites and acid sulphate soils. It will help in fomulating strategies to overcome the problems of environmentally significant heavy metals in contaminated soil environments.
High resolution digital soil mapping. Soil mapping is a key part of land-resource assessment for sustainable environmental management. This project aims to build a methodology to provide a high quality digital soil maps. The output will enable the use of soil data and information to give a clear understanding of the status of, and changes in, the nation's land, vegetation and water resources and implications for their sustainable use.
Digital soil mapping: a contribution to the resolution of the soil information crisis. Soil mapping is a key part of land-resource assessment for sustainable environmental management. Australia and the world have a soil information crisis - the soil is not mapped at sufficient resolution for effective management. This is mainly caused by the large expense of conventional soil survey. This project aims to develop a radical and robust, quantitative and cost-effective methodology for digital soil m ....Digital soil mapping: a contribution to the resolution of the soil information crisis. Soil mapping is a key part of land-resource assessment for sustainable environmental management. Australia and the world have a soil information crisis - the soil is not mapped at sufficient resolution for effective management. This is mainly caused by the large expense of conventional soil survey. This project aims to develop a radical and robust, quantitative and cost-effective methodology for digital soil mapping. We will test and modify the approach in two areas in eastern Australia and transfer the methodology and products to the scientific community, and agencies charged with the responsibility for soil assessment.Read moreRead less
Devising a methodology for the digital soil map of the world. Soil mapping is a key part of land-resource assessment for sustainable environmental management. The output will enable the use of soil data and information to give a clear understanding of the status of, and changes in, the nation's land, vegetation and water resources and implications for their sustainable use. This global good will be used by district agricultural extension workers, and policy decision makers in developing countri ....Devising a methodology for the digital soil map of the world. Soil mapping is a key part of land-resource assessment for sustainable environmental management. The output will enable the use of soil data and information to give a clear understanding of the status of, and changes in, the nation's land, vegetation and water resources and implications for their sustainable use. This global good will be used by district agricultural extension workers, and policy decision makers in developing countries to assist in improved crop production and sustainable land management. Read moreRead less
Modelling soil formation in the landscape. Soil is a complex system composed of a set of interconnected physical, chemical and biological factors that function as a whole. Soil system is a key part of natural ecosystems that is significantly affected by land management. This project aims to create a new quantitative model for soil formation in the landscape. This project will investigate whether the soil variability is a result of the soil being a complex system. The outcome of the model will en ....Modelling soil formation in the landscape. Soil is a complex system composed of a set of interconnected physical, chemical and biological factors that function as a whole. Soil system is a key part of natural ecosystems that is significantly affected by land management. This project aims to create a new quantitative model for soil formation in the landscape. This project will investigate whether the soil variability is a result of the soil being a complex system. The outcome of the model will enable us to reconstruct the history of soil profile development in the landscape and help us understand how soil forms and landscape evolves with time.Read moreRead less
Ecosystem response to human, veterinary and growth promoting antibiotics in the aquatic environment. The objective of this study is to assess the threat to Australian aquatic ecosystems by antibiotics excreted and/or discarded through human activities each year. Specifically this study aims to: 1) Determine types of antibiotics, concentrations and distribution in surface waters downstream from potential sources; 2) Investigate bacterial resistance and bacterial community changes to antibiotic c ....Ecosystem response to human, veterinary and growth promoting antibiotics in the aquatic environment. The objective of this study is to assess the threat to Australian aquatic ecosystems by antibiotics excreted and/or discarded through human activities each year. Specifically this study aims to: 1) Determine types of antibiotics, concentrations and distribution in surface waters downstream from potential sources; 2) Investigate bacterial resistance and bacterial community changes to antibiotic compounds entering the aquatic environment; 3) Determine the influence of antibiotics on key ecological processes performed by bacteria - e.g. nitrogen cycle; 4) Assess effect on, and efficiency of, various effluent treatments in removing antibiotics and direct improvements for future removal.Read moreRead less
Special Research Initiatives - Grant ID: SR0354632
Funder
Australian Research Council
Funding Amount
$10,000.00
Summary
Sustainable Water Reuse Network. Declining water quality and supply is of national concern, threatening Australia's economic, social and environmental sustainability. Water reuse is a smart option to reduce primary water consumption, but if it is to be sustainable, fundamental and applied knowledge gaps must be addressed. The proposed sustainable water reuse network enables Australian researchers to engage with end users under an integrated, multi-disciplinary framework. This will allow future ....Sustainable Water Reuse Network. Declining water quality and supply is of national concern, threatening Australia's economic, social and environmental sustainability. Water reuse is a smart option to reduce primary water consumption, but if it is to be sustainable, fundamental and applied knowledge gaps must be addressed. The proposed sustainable water reuse network enables Australian researchers to engage with end users under an integrated, multi-disciplinary framework. This will allow future research activities to address knowledge gaps and priorities, thereby contributing to a paradigm shift in how Australians use all sources of water and a reframing of our understanding of sustainable water cycles.Read moreRead less
Evaluating the role of buffer strips in reducing soil erosion and sediment delivery to water bodies. The role of vegetative buffer strips in reducing soil erosion and sediment delivery to water bodies is well established, but the physical processes and their interactions involved are not well understood. These hydraulic, sediment/chemical transport processes will be modelled from physical principles, recognising that the multi-size characteristics of soil plays a vital role in buffer strip effec ....Evaluating the role of buffer strips in reducing soil erosion and sediment delivery to water bodies. The role of vegetative buffer strips in reducing soil erosion and sediment delivery to water bodies is well established, but the physical processes and their interactions involved are not well understood. These hydraulic, sediment/chemical transport processes will be modelled from physical principles, recognising that the multi-size characteristics of soil plays a vital role in buffer strip effectiveness. This model will be validated using new and existing data sources, including both controlled experiments and field data obtained in Australia and overseas. A user friendly version of the model will be developed for farm managers and advisory services as a design tool.Read moreRead less