Sensory strategies for protecting endangered sawfishes. The Gulf of Carpentaria is the last habitat worldwide containing sustainable populations of sawfish. Easily entangled in nets, the saw has reduced population numbers dramatically in Australia with all species now protected under the Australian Environment Protection and Biodiversity Conservation Act, including the Convention on International Trade in Endangered Species (CITES). This study will provide basic biological information on feeding ....Sensory strategies for protecting endangered sawfishes. The Gulf of Carpentaria is the last habitat worldwide containing sustainable populations of sawfish. Easily entangled in nets, the saw has reduced population numbers dramatically in Australia with all species now protected under the Australian Environment Protection and Biodiversity Conservation Act, including the Convention on International Trade in Endangered Species (CITES). This study will provide basic biological information on feeding, prey manipulation and the role of critical senses in the only captive population of sawfishes in Australia. Such knowledge will underpin the development and use of visual, chemical and/or magnetic repellents by fisherman that are still responsible for the loss of large numbers of sawfish as by-catch.Read moreRead less
Understanding and reversing the habitat shifts that have endangered the broad-headed snake. Extinction rates for vertebrate species are higher in southern Australia than almost anywhere else in the world, and saving endangered taxa is critical to biodiversity conservation. To do this effectively, researchers need to understand the processes that threaten wild populations, and to develop novel solutions to those problems in close collaboration with wildlife management authorities and other stake ....Understanding and reversing the habitat shifts that have endangered the broad-headed snake. Extinction rates for vertebrate species are higher in southern Australia than almost anywhere else in the world, and saving endangered taxa is critical to biodiversity conservation. To do this effectively, researchers need to understand the processes that threaten wild populations, and to develop novel solutions to those problems in close collaboration with wildlife management authorities and other stakeholders. This project will build such an understanding and collaboration, focusing on an endangered snake species. We propose ambitious landscape-scale field experiments that will simultaneously test hypotheses on threatening processes, and restore habitat quality to reverse population declines.Read moreRead less
Metapopulation dynamics of coral communities on the Great Barrier Reef. Mathematical models for the dynamics of coral metapopulations on the Great Barrier Reef will be formulated and parameterised. Analysis of the models will focus on how the effects of competition between corals with different growth forms are influenced by other processes that generate spatial and temporal environmental variation. The project aims to understand how these factors influence the maintenance of high diversity in ....Metapopulation dynamics of coral communities on the Great Barrier Reef. Mathematical models for the dynamics of coral metapopulations on the Great Barrier Reef will be formulated and parameterised. Analysis of the models will focus on how the effects of competition between corals with different growth forms are influenced by other processes that generate spatial and temporal environmental variation. The project aims to understand how these factors influence the maintenance of high diversity in coral communities. It will also provide a modelling framework for predicting how that diversity will be affected by long-term environmental changes, making an important contribution to conservation and management of the Great Barrier Reef.Read moreRead less
Understanding marine biodiversity across vast spatial scales. Large-scale studies of biodiversity are frequently recommended by ecologists, but their costs are prohibitive. More efficient, yet accurate, sampling and analytical procedures are needed. This proposal will provide new quantitative knowledge on patterns of diversity of marine species (fish & invertebrates) from local to regional scales across southern Australia and northern New Zealand. An innovative feature of this research is the c ....Understanding marine biodiversity across vast spatial scales. Large-scale studies of biodiversity are frequently recommended by ecologists, but their costs are prohibitive. More efficient, yet accurate, sampling and analytical procedures are needed. This proposal will provide new quantitative knowledge on patterns of diversity of marine species (fish & invertebrates) from local to regional scales across southern Australia and northern New Zealand. An innovative feature of this research is the contribution of new ecological information with novel analytical procedures to identify the consequences of using more cost-effective techniques on quantifying patterns of biodiversity. This understanding is fundamental to the on-going advancement of ecology and conservation biology.Read moreRead less
Biodiversity of coral reefs. An international team will provide the first robust measures of the biodiversity, abundance and functional roles of key coral reef species at a global scale. We will examine the processes underlying biodiversity patterns through a multi-disciplinary program of research, which focusses on ecological and evolutionary mechanisms at multiple scales. A modelling component will provide the mechanistic link between large-scale patterns and multi-scale processes. This resear ....Biodiversity of coral reefs. An international team will provide the first robust measures of the biodiversity, abundance and functional roles of key coral reef species at a global scale. We will examine the processes underlying biodiversity patterns through a multi-disciplinary program of research, which focusses on ecological and evolutionary mechanisms at multiple scales. A modelling component will provide the mechanistic link between large-scale patterns and multi-scale processes. This research is highly relevant for conservation and management of reef resources across international boundaries.Read moreRead less
Understanding coral reef biodiversity: a modelling approach. Australia's coral reefs are international icons, providing enormous economic, ecological, and aesthetic benefits to Australians. Connolly is a key provider of scientific knowledge that underpins the management of these reefs. This fellowship will enhance that contribution, using novel mathematical and statistical modelling to substantially increase our understanding of the factors that generate and maintain coral reef biodiversity, an ....Understanding coral reef biodiversity: a modelling approach. Australia's coral reefs are international icons, providing enormous economic, ecological, and aesthetic benefits to Australians. Connolly is a key provider of scientific knowledge that underpins the management of these reefs. This fellowship will enhance that contribution, using novel mathematical and statistical modelling to substantially increase our understanding of the factors that generate and maintain coral reef biodiversity, and to enhance our ability to anticipate and manage reefs' responses to environmental change. Read moreRead less
Science for Sustainable Management of Coral Reef Biodiversity: a multi-disciplinary approach to global-scale processes and patterns. Hughes will lead an international team to undertake a multi-disciplinary program of research that will quantify the processes underlying biodiversity patterns on coral reefs, focussing on ecological and evolutionary mechanisms of these complex systems at multiple scales in space and time. A novel modelling component will provide the mechanistic link between multi-s ....Science for Sustainable Management of Coral Reef Biodiversity: a multi-disciplinary approach to global-scale processes and patterns. Hughes will lead an international team to undertake a multi-disciplinary program of research that will quantify the processes underlying biodiversity patterns on coral reefs, focussing on ecological and evolutionary mechanisms of these complex systems at multiple scales in space and time. A novel modelling component will provide the mechanistic link between multi-scale processes and regional-scale patterns. This research will cement Australia's leading contribution to coral reef science, and will guide the management, sustainable use and conservation of coral reef biodiversity across international boundaries.Read moreRead less
Is recruitment of marine invertebrates affected by variation in larval quality? Managing marine populations and habitats requires detailed understanding of how populations are replenished, and why some places receive more new recruits than others. Attempts to reach this understanding have been hindered by the difficulty in studying tiny larvae that live in the plankton, and for most species, recruitment is a highly variable, unexplained phenomenon. We have identified a new explanation for this ....Is recruitment of marine invertebrates affected by variation in larval quality? Managing marine populations and habitats requires detailed understanding of how populations are replenished, and why some places receive more new recruits than others. Attempts to reach this understanding have been hindered by the difficulty in studying tiny larvae that live in the plankton, and for most species, recruitment is a highly variable, unexplained phenomenon. We have identified a new explanation for this variation, and will test this explanation using a marine invertebrate that is one of Australia's marine pests. A positive result offers promise of explaining recruitment variation in other species, and will provide insight into what makes this particular pest species successful.Read moreRead less
Do costs of dispersal reduce connectivity in marine invertebrate populations? Current approaches to marine management - designing marine reserves, understanding pest incursions, and managing fisheries, acknowledge that marine animals exist in isolated local populations, connected by dispersal. Dispersal is crucial for local populations to persist or be managed sustainably, but our understanding remains poor and often limits our management. Most current approaches to estimating connectivity are ....Do costs of dispersal reduce connectivity in marine invertebrate populations? Current approaches to marine management - designing marine reserves, understanding pest incursions, and managing fisheries, acknowledge that marine animals exist in isolated local populations, connected by dispersal. Dispersal is crucial for local populations to persist or be managed sustainably, but our understanding remains poor and often limits our management. Most current approaches to estimating connectivity are adequate only if all dispersers are equally successful at establishing. Dispersal, however, is risky or costly, and we propose that these costs reduce the success of colonists from more distant populations. If this is correct, persistence of local populations may rely disproportionately on other nearby local populations.Read moreRead less
Ecological consequences of global warming: predicting effects on biodiversity on intertidal assemblages on the east coast of Australia. Understanding what conserves biodiversity is a crucial challenge for Australian science. This research will provide critical information on the consequences of global climatic change: southerly shifts in distributions of animals due to rising temperatures; vertical shifts due to rising sea level and changes in amounts of food for grazing species. This informatio ....Ecological consequences of global warming: predicting effects on biodiversity on intertidal assemblages on the east coast of Australia. Understanding what conserves biodiversity is a crucial challenge for Australian science. This research will provide critical information on the consequences of global climatic change: southerly shifts in distributions of animals due to rising temperatures; vertical shifts due to rising sea level and changes in amounts of food for grazing species. This information will underpin the future management of conservation and will improve understanding on issues such as how and why species are able to invade new areas, the effects on the resident species and how species change distribution in relation to the availability of specific needs for habitat.Read moreRead less