Fighting disease on farms: how do vaccinations drive evolution of new pathogen strains? Vaccinating against some types of infectious diseases can drive evolution of new variants of the pathogen. This project will show how bacterial populations evolve in response to vaccination in farms, leading to new vaccination strategies and improved vaccine formulations to better control diseases that are caused by highly variable bacteria.
Stress transcriptomics: development of tests to reduce the incidence of summer mortality in abalone. This project aims to determine the genetic mechanisms that abalone use to respond to disease and environmental stressors. The outcomes of this project will be early warning tests for stress and disease in abalone and also tests that can be used to select for stress resilience in abalone.
Understanding fish-killing mechanisms by harmful algal blooms: towards the design of effective mitigation strategies. Fish-killing microalgal blooms cause multi-million dollar losses to global aquaculture and wild fisheries. This project brings together leading Australian and Canadian research teams, applying sophisticated cell line and biologically active molecule technologies, to elucidate precise fish-kill mechanisms and design effective mitigation strategies.
Integrating climate and ecosystem models to predict climate change impacts on Australian marine systems. This project will underpin Australia's commitment to maintain environmental sustainability and biodiversity in the face of climate change. We will describe the consequences of climate change on harvested marine resources, biodiversity, ecosystem structure and function, and sensitive species and habitats. We will provide practical management solutions to maintain ecosystem integrity and enhanc ....Integrating climate and ecosystem models to predict climate change impacts on Australian marine systems. This project will underpin Australia's commitment to maintain environmental sustainability and biodiversity in the face of climate change. We will describe the consequences of climate change on harvested marine resources, biodiversity, ecosystem structure and function, and sensitive species and habitats. We will provide practical management solutions to maintain ecosystem integrity and enhance resilience under a changing climate. This information is of immediate use by a range of Australian stakeholders including national, state and local government agencies and authorities. The project will put Australian scientists at the forefront of research focused on adapting to marine climate impacts.Read moreRead less
Lost at sea? Understanding adaptation and dispersal in spiny lobsters. Continual recruitment of young is fundamental to the replenishment of populations, especially when a stock is fished. Existing theory suggests that species with very long planktonic larval stages disperse widely, ensuring their genes are well mixed. However, recently identified genetic differences between populations of rock lobster challenge this paradigm and demonstrate that despite larvae mixing in the ocean for years, loc ....Lost at sea? Understanding adaptation and dispersal in spiny lobsters. Continual recruitment of young is fundamental to the replenishment of populations, especially when a stock is fished. Existing theory suggests that species with very long planktonic larval stages disperse widely, ensuring their genes are well mixed. However, recently identified genetic differences between populations of rock lobster challenge this paradigm and demonstrate that despite larvae mixing in the ocean for years, local recruitment and/or adaptation are at play. Recent developments in genomics and bioinformatics should allow this project to understand the ecological processes underpinning these genetic signatures and determine their evolutionary implications. Such findings could direct targeted rebuilding of depleted fisheries stocks.Read moreRead less
Triggering the dormant capacity of fish to make omega 3 fatty acids. Marine fisheries cannot expand further, leaving aquaculture (fish farming) with the challenge of meeting the growing demand for fish, whose consumption is known to enhance human health. Fish oil is an essential component of the feed used in aquaculture, but there is a decreasing global supply of this commodity. This innovative nutritional biochemistry project boosts the capacity of fish to produce their own fish oil from vegeta ....Triggering the dormant capacity of fish to make omega 3 fatty acids. Marine fisheries cannot expand further, leaving aquaculture (fish farming) with the challenge of meeting the growing demand for fish, whose consumption is known to enhance human health. Fish oil is an essential component of the feed used in aquaculture, but there is a decreasing global supply of this commodity. This innovative nutritional biochemistry project boosts the capacity of fish to produce their own fish oil from vegetable oils in their diet. Therefore, this project will enable the expansion of aquaculture as an economically and environmentally sustainable means to produce the highest quality, nourishing fish for human consumption.Read moreRead less
Omega-3 fatty acids, appetite and growth in farmed fish. Australia has very limited wild fish supplies, and with the increasing realization of human health benefits of fish (i.e. omega-3 fatty acid) there is a need to increase availability through aquaculture. However, feeds used in aquaculture contain costly fish oil with limited global supplies. Attempts made to substitute fish oil with vegetable sources in aquaculture feeds have been mixed. This international, comparative and multidisciplinar ....Omega-3 fatty acids, appetite and growth in farmed fish. Australia has very limited wild fish supplies, and with the increasing realization of human health benefits of fish (i.e. omega-3 fatty acid) there is a need to increase availability through aquaculture. However, feeds used in aquaculture contain costly fish oil with limited global supplies. Attempts made to substitute fish oil with vegetable sources in aquaculture feeds have been mixed. This international, comparative and multidisciplinary project aims to reduce the dependence on fish oils through investigation of basic fatty acid metabolism and endocrinology on farmed fish to ensure that human health promoting characteristics in the final product are retained.Read moreRead less
Investigations of Australian Hematodinium species (sp.): a dinoflagellate parasite damaging major crustacean fisheries in Australia and worldwide. The dinoflagellate Hematodinium species (sp.) causes a deadly infection in crustaceans worldwide and a recent outbreak in Shark Bay, WA highlights its importance in Australian waters. This project will provide a first nationwide survey of commercially important crustacean stocks enabling the Australian fisheries authorities to assess the full scale ....Investigations of Australian Hematodinium species (sp.): a dinoflagellate parasite damaging major crustacean fisheries in Australia and worldwide. The dinoflagellate Hematodinium species (sp.) causes a deadly infection in crustaceans worldwide and a recent outbreak in Shark Bay, WA highlights its importance in Australian waters. This project will provide a first nationwide survey of commercially important crustacean stocks enabling the Australian fisheries authorities to assess the full scale of the problem. Also, we will develop a simple, easy-to-use tool for diagnosis and management of Hematodinium sp. This project will expand the diversity of parasites studied in Australia by including this relatively poorly studied but damaging group. This project will also foster interdisciplinary collaborations within Australia, and internationally.Read moreRead less
Fishing for change: enhancing Australia’s seafood futures. Seafood production is an important part of Australia’s economy and future food security. In a dual relationship, fisheries are both vulnerable to and a cause of changes in the marine environment. This project will identify the maximum limits to Australian seafood production and will determine the impacts of future perturbations. To achieve this, the project will: combine existing rich historical data sources with state-of-the art ecosyst ....Fishing for change: enhancing Australia’s seafood futures. Seafood production is an important part of Australia’s economy and future food security. In a dual relationship, fisheries are both vulnerable to and a cause of changes in the marine environment. This project will identify the maximum limits to Australian seafood production and will determine the impacts of future perturbations. To achieve this, the project will: combine existing rich historical data sources with state-of-the art ecosystem and fisheries models; analyse environmental impacts that will complement national fisheries stock assessments that are essential for future competitive exports; and determine our growing seafood imports and their role in Australia’s and the world’s food security.Read moreRead less
Marine Reserves as Fisheries Management Tools: A Long-term, Experimental Approach. Marine reserves, areas permanently closed to fishing, are potentially valuable fisheries management tools. Reserves may sustain fisheries external to them by containing undisturbed breeding stocks and becoming net exporters of adults and propagules. Our studies in the Philippines suggest that such benefits may only eventuate after 5-15 years of effective protection. This project will continue our long-term (17-25 ....Marine Reserves as Fisheries Management Tools: A Long-term, Experimental Approach. Marine reserves, areas permanently closed to fishing, are potentially valuable fisheries management tools. Reserves may sustain fisheries external to them by containing undisturbed breeding stocks and becoming net exporters of adults and propagules. Our studies in the Philippines suggest that such benefits may only eventuate after 5-15 years of effective protection. This project will continue our long-term (17-25 year) studies of abundance and yield at 3 established reserves, and use a replicated experiment at 3 new reserves, to test if reserves can enhance local fish biomass and catch. We will also compare effects of reserves in Australia and the Philippines.Read moreRead less