Practical, powerful and cost effective indicators of sustainable forest management for the conservation of biological diversity. Much debate about appropriate use of Australia's forests stems from uncertainty about the magnitude of impacts on abundances and distributions of forest-dependent species, a key indicator of sustainable management under the Montreal Process. An opportunity exists to develop new tools to substantially improve our ability to detect and assess change. This project will de ....Practical, powerful and cost effective indicators of sustainable forest management for the conservation of biological diversity. Much debate about appropriate use of Australia's forests stems from uncertainty about the magnitude of impacts on abundances and distributions of forest-dependent species, a key indicator of sustainable management under the Montreal Process. An opportunity exists to develop new tools to substantially improve our ability to detect and assess change. This project will develop optimal monitoring design and analysis strategies for detecting population trends against a background of natural fluctuation and observation error. It will result in templates for coherent reporting on indicators at regional and national levels. It will exploit recent findings regarding observation error in surveys, advances in statistical control processes, simulation methods, and power analysis to develop a world-class species monitoring system.Read moreRead less
High temperature limits of leaf function. In arid and semi-arid central Australia, Acacia spp. dominate the over-storey, but this shifts to Eucalyptus and Corymbia spp. in more mesic coastal regions. Areas of central Australia are extremely hot, dry and sunny, and it is this combination of stresses that likely excludes Eucalyptus spp. from many landforms. There has been little research on high temperature tolerance of Acacia and Eucalyptus, despite the putative importance of this stress, in co ....High temperature limits of leaf function. In arid and semi-arid central Australia, Acacia spp. dominate the over-storey, but this shifts to Eucalyptus and Corymbia spp. in more mesic coastal regions. Areas of central Australia are extremely hot, dry and sunny, and it is this combination of stresses that likely excludes Eucalyptus spp. from many landforms. There has been little research on high temperature tolerance of Acacia and Eucalyptus, despite the putative importance of this stress, in combination with other stresses, in limiting species? distributions. Our program of collaborative research will examine the tolerance of Acacia and Eucalyptus to a combination of high temperatures, drought and high light.Read moreRead less
Design of Large-Scale Interconnected Dynamical Systems. Our aim is to develop a theory for the design, analysis and operation of large-scale interconnected systems. In recent years there has been an explosive growth in the implementation and use of large-scale systems due to the ready availability of interconnection technology. However, there is no satisfactory systematic theoretical basis for identifying and quantifying potential advantages or pitfalls of large-scale interconnections. Several a ....Design of Large-Scale Interconnected Dynamical Systems. Our aim is to develop a theory for the design, analysis and operation of large-scale interconnected systems. In recent years there has been an explosive growth in the implementation and use of large-scale systems due to the ready availability of interconnection technology. However, there is no satisfactory systematic theoretical basis for identifying and quantifying potential advantages or pitfalls of large-scale interconnections. Several aspects of interconnected systems will be considered. For example, can large-scale systems composed of dynamical sub-systems linked through communication channels be systematically designed? How does overall system behaviour vary with scale and subsystem dynamics? Such questions are largely open and their resolution lies at the heart of this project.Read moreRead less
Sustainable futures of Australian temperate forests: An investigation of coupled carbon, water and energy exchanges from hourly to centennial timescales. Australia's forests are a critical natural resource that must be sustainably managed. We will determine the uptake/release of carbon from old growth and regrowth forests and assess the water budgets of the Melbourne water catchment. We aim to understand the current cycles of carbon, water and energy and how these may change over time (hours to ....Sustainable futures of Australian temperate forests: An investigation of coupled carbon, water and energy exchanges from hourly to centennial timescales. Australia's forests are a critical natural resource that must be sustainably managed. We will determine the uptake/release of carbon from old growth and regrowth forests and assess the water budgets of the Melbourne water catchment. We aim to understand the current cycles of carbon, water and energy and how these may change over time (hours to centuries). We will integrate our observations with state-of-the-art models to improve our predictions of how forests will respond to change. This will aid our management of forests and forested catchments to ensure sustainable and viable water resources and optimise carbon sequestration.Read moreRead less
Organisation and function of embedded oil glands in eucalypts. Some eucalypt leaves contain large quantities of essential oils, which have been extracted for commercial purposes for many years. Advancement of this industry, however, requires basic research directed at enhancing both the yield of oil and the range of valuable constituents. This project will make use of a new protocol for isolating and purifying the foliar oil-producing glands to identify a new suite of oil gland constituents and ....Organisation and function of embedded oil glands in eucalypts. Some eucalypt leaves contain large quantities of essential oils, which have been extracted for commercial purposes for many years. Advancement of this industry, however, requires basic research directed at enhancing both the yield of oil and the range of valuable constituents. This project will make use of a new protocol for isolating and purifying the foliar oil-producing glands to identify a new suite of oil gland constituents and to understand the way in which they are made and deployed in the gland. The research will also contribute to our general understanding of oil gland structure and function.Read moreRead less
Economics of carbon, nitrogen and water use in Acacia and Eucalyptus. Australia's flora is dominated by plants with sclerophyllous foliage, that is hard leaves that are tolerant of nutrient and/or water stress. Either nutrient and/or water stress are suggested as driving the evolution of sclerophylly and distribution of extant species. Mechanisms of tolerance to drought and nutrient stress differ, and these differences are reflected in patterns of nitrogen and carbon allocation and economics o ....Economics of carbon, nitrogen and water use in Acacia and Eucalyptus. Australia's flora is dominated by plants with sclerophyllous foliage, that is hard leaves that are tolerant of nutrient and/or water stress. Either nutrient and/or water stress are suggested as driving the evolution of sclerophylly and distribution of extant species. Mechanisms of tolerance to drought and nutrient stress differ, and these differences are reflected in patterns of nitrogen and carbon allocation and economics of nitrogen and water use in photosynthesis. The present study will use these differences in economics to distinguish between water- and nutrient-driven adaptations in a range of Acacia and Eucalyptus species from mesic to arid environments.Read moreRead less