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Multi-modal signals: an experimental analysis. This project is built upon innovations that permit the first exploration of an important, but previously-inaccessible, problem. We will continue to develop techniques with wide applicability for the analysis of movement, and will make them available to other research groups. The proposed work addresses a hot topic that is generating international attention; it will hence make a distinctive Australian contribution to a rapidly expanding research area ....Multi-modal signals: an experimental analysis. This project is built upon innovations that permit the first exploration of an important, but previously-inaccessible, problem. We will continue to develop techniques with wide applicability for the analysis of movement, and will make them available to other research groups. The proposed work addresses a hot topic that is generating international attention; it will hence make a distinctive Australian contribution to a rapidly expanding research area. Results will be communicated through the WWW and science documentaries. Animal Behaviour is of great interest to the general public. This can be engaged to attract more young people to careers in science. We will continue to train postgraduates in a well-resourced and stimulating environment.Read moreRead less
Heterarchical modelling of nutritional ecology: from individuals to communities. The project will combine advances in nutritional theory, agent-based modelling and landscape ecology to produce a modelling framework with which to understand the interrelationships between the physiology and behaviour of individual organisms and the populations, communities and ecosystems in which they reside. The resulting computational model will provide a major new initiative in quantitative ecology and allow sp ....Heterarchical modelling of nutritional ecology: from individuals to communities. The project will combine advances in nutritional theory, agent-based modelling and landscape ecology to produce a modelling framework with which to understand the interrelationships between the physiology and behaviour of individual organisms and the populations, communities and ecosystems in which they reside. The resulting computational model will provide a major new initiative in quantitative ecology and allow specific practical problems to be addressed in relation to agricultural pests, invasive species, conservation biology and animal production systems.Read moreRead less
Deceptive signals in spiders. Animal communication involves a diversity of signals including visual displays, sounds and odours. Understanding the function of signals is difficult because humans cannot detect some signals such as UV light. This project investigates the functions of visual signals in two spider systems: the decorations in orb-webs and the colouration of crab spiders. We analyse whether these signals are cryptic or conspicuous. Do they attract prey or hide the spiders from predato ....Deceptive signals in spiders. Animal communication involves a diversity of signals including visual displays, sounds and odours. Understanding the function of signals is difficult because humans cannot detect some signals such as UV light. This project investigates the functions of visual signals in two spider systems: the decorations in orb-webs and the colouration of crab spiders. We analyse whether these signals are cryptic or conspicuous. Do they attract prey or hide the spiders from predators? Our project will make a significant contribution to understanding the evolution of these signals, and will, at least in part, help resolve century old debates surrounding their function.Read moreRead less
Host plant choice by marine herbivores: ecological, genetic and historical constraints. Understanding the factors that determine plant choice by herbivores is crucial to predicting the ecological effects of herbivores on plants and herbivore adaptation to plants. This proposal aims to establish how evolution of host choice by a marine herbivore is constrained by ecological, genetic and historical factors. It will determine how the spatial arrangement of plants modifies host use, and whether evol ....Host plant choice by marine herbivores: ecological, genetic and historical constraints. Understanding the factors that determine plant choice by herbivores is crucial to predicting the ecological effects of herbivores on plants and herbivore adaptation to plants. This proposal aims to establish how evolution of host choice by a marine herbivore is constrained by ecological, genetic and historical factors. It will determine how the spatial arrangement of plants modifies host use, and whether evolutionary change by herbivores is constrained by genetic relationships among herbivore traits. The generality of important evolutionary hypotheses that predict plant choice by herbivores will be tested by extending such theory to new organisms and environments.Read moreRead less
Quantifying the costs and benefits of cooperative behaviour in birds: An experimental test of the group augmentation hypothesis. Cooperation is seen as a hallmark of human evolution, but is common throughout the animal kingdom. Indeed, our greatest appreciation of the factors associated with family living and cooperation comes from animal research. My project uses novel approaches to address questions about the role of kinship and energetic costs of cooperation in the evolution of cooperation an ....Quantifying the costs and benefits of cooperative behaviour in birds: An experimental test of the group augmentation hypothesis. Cooperation is seen as a hallmark of human evolution, but is common throughout the animal kingdom. Indeed, our greatest appreciation of the factors associated with family living and cooperation comes from animal research. My project uses novel approaches to address questions about the role of kinship and energetic costs of cooperation in the evolution of cooperation and family living. My study species is a highly charismatic, desert-living cooperative Australian bird, the chestnut-crowned babbler. This study will add significantly to our understanding of the evolution of social behaviour and the extended family. The results will be of international significance and make an impact in scientific journals and through the mediaRead moreRead less
Mate choice near and far: Genetic compatibility, sexual selection, and speciation in Australian grass finches. The pressure on individuals to choose a genetically compatible partner has the capacity to drive the evolution of mating systems and the process of speciation, and is therefore a major engine of biodiversity. Reproductive failure resulting from incompatibility between individuals is more likely when individuals from fragmented and genetically structured populations mate with one another ....Mate choice near and far: Genetic compatibility, sexual selection, and speciation in Australian grass finches. The pressure on individuals to choose a genetically compatible partner has the capacity to drive the evolution of mating systems and the process of speciation, and is therefore a major engine of biodiversity. Reproductive failure resulting from incompatibility between individuals is more likely when individuals from fragmented and genetically structured populations mate with one another. This work will give new insight into biological processes that drive biodiversity and effect the management of threatened populations and endangered species. The proposed research will raise the international profile of Australian science and biodiversity and improve our ability to manage our natural biological resources. Read moreRead less
Chemical warfare at small scales: does eukaryotic chemical defense theory fit biofilms? The ecology of bacteria has long been treated separately from the ecology of higher organisms. Thus we do not know whether the ecology of bacteria operates by the same general rules as those of plants and animals. This significantly diminishes our understanding of the natural world, and our capacity to manage our environment. In this project we will systematically test ecological defense theories in bacterial ....Chemical warfare at small scales: does eukaryotic chemical defense theory fit biofilms? The ecology of bacteria has long been treated separately from the ecology of higher organisms. Thus we do not know whether the ecology of bacteria operates by the same general rules as those of plants and animals. This significantly diminishes our understanding of the natural world, and our capacity to manage our environment. In this project we will systematically test ecological defense theories in bacterial systems. Our aim is to merge our understanding of the ecology of these very different organisms. This integration of plant and animal ecology and environmental microbiology is new for both fields, and thus studies such as this one have the potential to put Australia at the forefront of this exciting new approach to our environment.Read moreRead less
A framework linking tree species coexistence, zonation and patterns of species richness in forests. Our curiosity-driven proposal capitalizes on a superb opportunity afforded by the occurrence of forest vegetation across a wide range of climates and soils in eastern Australia, an ideal setting for testing ideas about how environment shapes plant evolution as well as forest structure and dynamics. This research will contribute to international interchange of ideas by promoting interaction with co ....A framework linking tree species coexistence, zonation and patterns of species richness in forests. Our curiosity-driven proposal capitalizes on a superb opportunity afforded by the occurrence of forest vegetation across a wide range of climates and soils in eastern Australia, an ideal setting for testing ideas about how environment shapes plant evolution as well as forest structure and dynamics. This research will contribute to international interchange of ideas by promoting interaction with collaborators in New Zealand, and will generate a series of publications in high-impact international journals. We will help Australians better understand the forces that shape patterns of woody vegetation across local landscapes, and our carbon-balance framework may shed light on the causes of rarity of some tree species with conservation problems.Read moreRead less
Stress, virulence and bacterial disease in temperate seaweeds: the rise of the microbes. Climate change is predicted to increase the spread and virulence of pathogens, and decrease the resistance to disease via temperature stress on the hosts. Combined with other human impacts (higher nutrients, pollution), we may be facing a major rise in the effect of disease on natural communities. However, these effects are largely unstudied. We will investigate the impact of marine pathogens on kelps and ....Stress, virulence and bacterial disease in temperate seaweeds: the rise of the microbes. Climate change is predicted to increase the spread and virulence of pathogens, and decrease the resistance to disease via temperature stress on the hosts. Combined with other human impacts (higher nutrients, pollution), we may be facing a major rise in the effect of disease on natural communities. However, these effects are largely unstudied. We will investigate the impact of marine pathogens on kelps and other seaweeds when they are stressed by temperature, elevated nutrients or other anthropogenic stressors. Kelp are the 'trees of the oceans', the organisms responsible for creating much of the habitat that fishes and other organisms live in. The loss of kelp forests due to disease would radically change these environments.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0775666
Funder
Australian Research Council
Funding Amount
$200,000.00
Summary
Flora and Fauna Research Facility. Our ability to make informed decisions regarding conservation and management of unique Australian ecosytems depends greatly on our understanding of the organisms inhabiting them. Researchers at the University of Wollongong are addressing this need through a wide range of studies including the: effects of climate change on plants, biology of invasive species, possible causes for declining frog populations, role of the immune system in aging and natural selection ....Flora and Fauna Research Facility. Our ability to make informed decisions regarding conservation and management of unique Australian ecosytems depends greatly on our understanding of the organisms inhabiting them. Researchers at the University of Wollongong are addressing this need through a wide range of studies including the: effects of climate change on plants, biology of invasive species, possible causes for declining frog populations, role of the immune system in aging and natural selection, effects of maternal hormones on offspring, effects of pesticides on native vertebrates, and impacts of bushfires on ecosystems. The infrastructure requested will enable research in these and other important areas.Read moreRead less