Variation in larval gene expression in a marine invertebrate: implications for population divergence via differential settlement response. Evolutionary and ecological functional genomics is an emerging field that integrates gene profiling technologies with experimental and field approaches of ecology and evolution. I take this approach to address a key problem in marine invertebrate biology: how do larvae respond to their environment and how does variation in this response influence the distribu ....Variation in larval gene expression in a marine invertebrate: implications for population divergence via differential settlement response. Evolutionary and ecological functional genomics is an emerging field that integrates gene profiling technologies with experimental and field approaches of ecology and evolution. I take this approach to address a key problem in marine invertebrate biology: how do larvae respond to their environment and how does variation in this response influence the distribution and evolution of a species? I will use a marine gastropod (abalone) model, for which there exists substantial development and population genetic data, and established aquaculture methodologies. Outcomes of this study will enhance knowledge of the stock structure of this and other commercial fisheries, as well as aquaculture efficiency.Read moreRead less
Early life-history sex determination in reef fishes. In many fishes, gender is influenced by environmental conditions experienced after hatching. However, the timing, cues, and developmental pathways of sex determination are poorly understood. This research will establish how environmental conditions during the juvenile phase control patterns of sex determination in reef fishes and determine if sex differentiation is a response to local- or broad-scale environmental cues. An individual's gender ....Early life-history sex determination in reef fishes. In many fishes, gender is influenced by environmental conditions experienced after hatching. However, the timing, cues, and developmental pathways of sex determination are poorly understood. This research will establish how environmental conditions during the juvenile phase control patterns of sex determination in reef fishes and determine if sex differentiation is a response to local- or broad-scale environmental cues. An individual's gender has profound and significant consequences for all aspects of its biology and the mechanism of sex determination has important implications for population ecology. This project will test theory in evolutionary ecology and greatly benefit the management of reef fisheries.Read moreRead less
Spatial ecology of inshore predators in tropical marine systems and implications of marine protection zones. Coastal development and threats of global climate change mean that coastal ecosystems are under increasing pressure. Developing an understanding of how coastal habitats are used by native fauna and how effective protected areas are in the preservation of these species is critical for future management and sustainable use of resources. This research will provide data for resource and fis ....Spatial ecology of inshore predators in tropical marine systems and implications of marine protection zones. Coastal development and threats of global climate change mean that coastal ecosystems are under increasing pressure. Developing an understanding of how coastal habitats are used by native fauna and how effective protected areas are in the preservation of these species is critical for future management and sustainable use of resources. This research will provide data for resource and fisheries managers that are valuable for maintenance of several sectors of the economy including tourism and commercial fishing (inshore fishing worth $23 m a year). The project is linked to a national telemetry network thus providing opportunity for national and international collaboration benefiting scientific, management and coastal communities.Read moreRead less
Larval Dispersal And The Design Of Marine Reserve Networks: Benefits Within And Beyond Boundaries. Most marine organisms produce tiny offspring that are dispersed unknown distances by oceanic currents. Our present strategies to manage marine resources lack this vital piece of information. This study will apply two revolutionary techniques that finally enable us to determine how far marine larvae travel. Using the team that developed these techniques, field studies will for the first time measure ....Larval Dispersal And The Design Of Marine Reserve Networks: Benefits Within And Beyond Boundaries. Most marine organisms produce tiny offspring that are dispersed unknown distances by oceanic currents. Our present strategies to manage marine resources lack this vital piece of information. This study will apply two revolutionary techniques that finally enable us to determine how far marine larvae travel. Using the team that developed these techniques, field studies will for the first time measure both retention of fish larvae within marine protected areas and dispersal of larvae to adjacent fished areas on coral reefs. This information can be directly applied to optimize the size of reserves and their spacing in marine protected area networks.Read moreRead less