An electromagnetic tracking system for use in shallow water |
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| Affiliation: | 1. WA Department of Water, PO Box K822, Perth, WA 6842, Australia;2. School of Natural Sciences and Centre for Marine Ecosystems Research, Edith Cowan University, WA 6027, Australia;3. University of Adelaide, Adelaide SA 5005, Australia;4. Plant Biodiversity Centre, Department of Environment and Natural Resources, Adelaide, SA, Australia;5. The Oceans Institute (M470) and School of Plant Biology, The University of Western Australia, 35 Stirling Highway Crawley, WA 6009, Australia;6. NSW Office of Environment and Heritage, PO Box A290, Sydney South, NSW 1232, Australia;7. Centre for Tropical Water and Aquatic Ecosystem Research (TropWATER), James Cook University, Cairns, QLD 4870, Australia;8. School of Chemical Engineering, University of Queensland, St Lucia, QLD 4072, Australia;9. Centre for Ecosystem Science, School of Biological, Earth and Environmental Sciences, University of New South Wales, NSW, Australia;10. Healthy Waterways, PO Box 13086 George St, Brisbane QLD 4003, Australia;11. NSW Department of Primary Industries, Fisheries NSW, Locked Bag 1, Nelson Bay, NSW, 2315, Australia |
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| Abstract: | Modifications to an electromagnetic method of tracking juvenile western rock lobsters Panulirus cygnus George are documented. The receiving aerials were made more robust to increase their useful life, and an automated tracking system was developed. The system continuously collects data on the movements of up to 14 tagged lobsters simultaneously. The feasibility of the method and its problems are discussed and suggestions are made for its improvement. The susceptibility to wave action of the aerials and the main communication cable that brings the signals to shore suggest that electromagnetic tracking is feasible only in calm and shallow environments. |
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