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The role of biological and chemical interactions in the rhizosphere in sustainable intercropping systems. Intercropping can result in large yield increases compared to mono-cropped systems. It is used extensively in China and could be an option for sustainable land-use in Australia. Belowground interactions between intercropped crop species may be important for the yield increase, but they are poorly understood, especially with regard to nutrient availability and soil biology. We will combine th ....The role of biological and chemical interactions in the rhizosphere in sustainable intercropping systems. Intercropping can result in large yield increases compared to mono-cropped systems. It is used extensively in China and could be an option for sustainable land-use in Australia. Belowground interactions between intercropped crop species may be important for the yield increase, but they are poorly understood, especially with regard to nutrient availability and soil biology. We will combine the field experience in intercropping systems of the Chinese scientists with the expertise of the Australian scientists in plant nutrition and rhizosphere ecology to characterise chemical and biological interactions in the rhizosphere governing nutrient availability and the competitive ability of intercropped species.Read moreRead less
Understanding fungal diversity and functioning in forest soils using molecular and stable isotope approaches. The project aims to investigate fungal community structure and functioning in forest soils using novel molecular, stable isotope and physiological approaches. This will provide new insights into the linkage between diversity and functioning in forest soil fungal communities and the importance of these organisms in ecosystem processes. In addition, this pioneering research will facilitate ....Understanding fungal diversity and functioning in forest soils using molecular and stable isotope approaches. The project aims to investigate fungal community structure and functioning in forest soils using novel molecular, stable isotope and physiological approaches. This will provide new insights into the linkage between diversity and functioning in forest soil fungal communities and the importance of these organisms in ecosystem processes. In addition, this pioneering research will facilitate development and refinement of methodologies that will pave the way for future investigations of fungal ecology. The on-going collaboration will produce high quality joint publications and provide significant opportunities for early career researchers to gain international experience in a dynamic research environment.Read moreRead less
Novel nitrogen removal process via nitrite in a biofilm system and analysis of microbial community dynamics. Nitrogen removal from wastewater is essential to protect our unique aquatic environment. This removal is typically achieved via two steps: Nitrification converts ammonium via nitrite to nitrate; denitrification converts nitrate via nitrite again to harmless nitrogen gas. This project will develop a biofilm reactor system, which enables this process to run via nitrite only, instead of nitr ....Novel nitrogen removal process via nitrite in a biofilm system and analysis of microbial community dynamics. Nitrogen removal from wastewater is essential to protect our unique aquatic environment. This removal is typically achieved via two steps: Nitrification converts ammonium via nitrite to nitrate; denitrification converts nitrate via nitrite again to harmless nitrogen gas. This project will develop a biofilm reactor system, which enables this process to run via nitrite only, instead of nitrate. Savings of 40% carbon and 25% oxygen requirements are possible this way. This process has not yet been demonstrated under controlled conditions, but recent progress in the research groups in Australia and Korea now offer novel ways to accomplish this promising process.Read moreRead less
Amelioration strategies to reduce environmental deterioration and agricultural production losses in water repellent regions. Millions of hectares of potentially productive agricultural land in Australia are affected by water-repellency. Water repellency causes non-uniform infiltration of water in soils and promotes surface erosion. Consequently, water repellent soils cannot be satisfactorily used for agricultural production, resulting in production losses of millions of dollars annually. This in ....Amelioration strategies to reduce environmental deterioration and agricultural production losses in water repellent regions. Millions of hectares of potentially productive agricultural land in Australia are affected by water-repellency. Water repellency causes non-uniform infiltration of water in soils and promotes surface erosion. Consequently, water repellent soils cannot be satisfactorily used for agricultural production, resulting in production losses of millions of dollars annually. This investigation is part of a genuine international effort that will develop new procedures to ameliorate water-repellent soils. New and improved mathematical models and decision support tools will also be developed to improve water-repellent land management, reduce environmental risk and minimise agriculture production loss.Read moreRead less
The development of low cost sorbents for removal of contaminants in ground water at cold regions contaminated sites. Contamination of soils and waters as a result of industrial and other human activities, is a significant global environmental issue. Both Australia and Japan have a large legacy of hydrocarbon and heavy metals contamination from mining activities and industry. This project aims to address hydrocarbon and heavy metals contamination through investigation of novel, low-cost sorbents ....The development of low cost sorbents for removal of contaminants in ground water at cold regions contaminated sites. Contamination of soils and waters as a result of industrial and other human activities, is a significant global environmental issue. Both Australia and Japan have a large legacy of hydrocarbon and heavy metals contamination from mining activities and industry. This project aims to address hydrocarbon and heavy metals contamination through investigation of novel, low-cost sorbents suitable for implementation in passive in-situ remediation technologies. This will be achieved through the combined efforts of Australian and Japanese scientists who are expert in the fields of water treatment and chemical synthesis of sorbent materials.Read moreRead less
Community Based Water Resources Management. In a time of predicted severe water shortage in the Asia Pacific, the University of Western Sydney and the Council of Scientific and Industrial Research, India have developed research into community based water resources management for regional townships and communities. The objective of this proposal is to connect the two water research organisations in a cross cultural comparison of their respective research programs and to develop a generic model o ....Community Based Water Resources Management. In a time of predicted severe water shortage in the Asia Pacific, the University of Western Sydney and the Council of Scientific and Industrial Research, India have developed research into community based water resources management for regional townships and communities. The objective of this proposal is to connect the two water research organisations in a cross cultural comparison of their respective research programs and to develop a generic model of regional community water use management for developed and developing countries, appropriate to the Asia-Pacific.Read moreRead less
Beach groundwater dynamics: measurement and modelling. Beach groundwater is a highly complex, dynamic system interacting with tides, waves and swash. Such interactions affect beach sediment movement and contaminant transport/transformation in coastal aquifers. This project aims to measure and model the groundwater's behaviour at three different types of beaches: sand, gravel and gravel-sand mixed beaches. The study will provide much needed understanding and quantification of the beach groundwate ....Beach groundwater dynamics: measurement and modelling. Beach groundwater is a highly complex, dynamic system interacting with tides, waves and swash. Such interactions affect beach sediment movement and contaminant transport/transformation in coastal aquifers. This project aims to measure and model the groundwater's behaviour at three different types of beaches: sand, gravel and gravel-sand mixed beaches. The study will provide much needed understanding and quantification of the beach groundwater dynamics over a range of time scales. The outcome will help to assess the extent and intensity of mass and momentum exchanges across the beach face, and the resulting effects on beach stability and the fate of contaminants in coastal aquifers.Read moreRead less
An Integrated Ground Deformation Monitoring System Based on the Integration of InSAR, GPS and GIS Technologies. Interferometric Synthetic Aperture Radar (InSAR) can be used to monitor ground deformation at high spatial resolution. When integrated with Global Positioning Systems (GPS) so that atmospheric disturbance in InSAR result can be corrected, deformation can be resolved at sub-centimetre accuracy. The corrected InSAR result can be exported as a data layer into Geographic Information System ....An Integrated Ground Deformation Monitoring System Based on the Integration of InSAR, GPS and GIS Technologies. Interferometric Synthetic Aperture Radar (InSAR) can be used to monitor ground deformation at high spatial resolution. When integrated with Global Positioning Systems (GPS) so that atmospheric disturbance in InSAR result can be corrected, deformation can be resolved at sub-centimetre accuracy. The corrected InSAR result can be exported as a data layer into Geographic Information Systems (GIS) for further analysis. In collaboration with Hong Kong Polytechnic University researchers, the integrated InSAR-GPS-GIS system will be tested in both Hong Kong and Australia. The expected outcomes include a suite of algorithms and software tools capable of operational, cost-effective ground deformation monitoring.Read moreRead less
Impacts of changing detrital source biodiversity on estuarine ecosystems. Coastal development, invasive pests, and climate change are impacting abundances of estuarine aquatic plants. This in turn is affecting the composition and magnitude of detrital enrichment, threatening biodiversity, fisheries production and endangered birds. Our pioneering research will forecast the impacts of changing detrital-source biodiversity on soft-sediment communities and the food webs they support in Australia and ....Impacts of changing detrital source biodiversity on estuarine ecosystems. Coastal development, invasive pests, and climate change are impacting abundances of estuarine aquatic plants. This in turn is affecting the composition and magnitude of detrital enrichment, threatening biodiversity, fisheries production and endangered birds. Our pioneering research will forecast the impacts of changing detrital-source biodiversity on soft-sediment communities and the food webs they support in Australia and the USA. Ecological generalities obtained can be used to support policy development that ensures sustainable management of estuaries. This work will also facilitate training of early career researchers and focus research efforts of leading US researchers towards issues crucial for Australian estuarine management.Read moreRead less
The impact of water logging on mitochondrial metabolism in leaves and roots of Grey poplar. Water logging and flooding are seasonal occurrences in a variety of environments. These events cause various damage to environments, including damage to plants. The damage to plants has traditionally been associated with annuals, such as various crop species. However larger plants, i.e. trees, are also very susceptible to water-logging and flooding. As it can take from several years to decades for tress t ....The impact of water logging on mitochondrial metabolism in leaves and roots of Grey poplar. Water logging and flooding are seasonal occurrences in a variety of environments. These events cause various damage to environments, including damage to plants. The damage to plants has traditionally been associated with annuals, such as various crop species. However larger plants, i.e. trees, are also very susceptible to water-logging and flooding. As it can take from several years to decades for tress to be established it is important to understand how trees can withstand water-logging and flooding. As tree plantation are uses for commercial and environmental purposes this knowledge will be useful to a broad spectrum of users in the community.Read moreRead less