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EXPLORATORY ASSESSMENT METHODS FOR EXPLORATORY FISHERIES: AN EXAMPLE CASE USING CATCH, IUU CATCH AND TAGGING DATA FOR DIVISION 58.4.3A
poorly sampled. As an example case we use the catch data, legal and IUU, and the mark-recapture data in ... sub-area 58.4.3a to demonstrate the potential uses of the model and also suggest potential catch ...
Meeting Document : WG-SAM-08/05 : Autor(es): R.M Hillary (UK)
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Prediction of krill target strength by liquid prolate spheroid model
Abstract: A theoretical prolate spheroid liquid model is applied to predict the target strength ... strength are shown for some orientation distributions. The results can explain well-organized experimental ... results. The variability of the TS of krill is large where L/λ is larger than unity. Therefore, a ...
Meeting Document : WG-KRILL-93/21 : Autor(es): M. Furusawa and Y. Miyanohana (Japan)
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AGENDA PROVISIONAL DE LA TRIGÉSIMA REUNIÓN DE LA COMISIÓN PARA LA CONSERVACIÓN DE LOS RECURSOS VIVOS MARINOS ANTÁRTICOS
Title: Provisional Agenda for the Thirtieth Meeting of the Commission for the Conservation of ...
Meeting Document : CCAMLR-XXX/01
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Longline fishing at Tristan da Cunha: impacts on seabirds
Abstract: Tristan da Cunha and Gough Islands in the central South Atlantic Ocean support globally ... lines during the day, only one bird (a Great Sheawater Puffinus gravis) was killed (mortality rate 0.001 ... birds per 1000 hooks). By comparison, the pelagic fishery for tuna, which exceeds demersal fishing ... breeding at the islands. Stricter regulations are required for pelagic vessels, including routine placing ...
Meeting Document : WG-FSA-01/15 : Autor(es): N. Glass, I. Lavarello, J.P. Glass and P.G. Ryan (South Africa)
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Lead-radium dating provides a framework for coordinating age estimation of Patagonian toothfish (Dissostichus eleginoides) between fishing areas
valid ages for juvenile to older adult groups, which were consistent with the counting of otolith growth ... revealed minor biases between the radiometric age and interpretation of growth zone counting for regional ... fishing areas monitored by two facilities, Center for Quantitative Fisheries Ecology (CQFE) and the ... . 3.3 years was observed across estimated ages younger than 20 years. For the CAF, ages were ...
Meeting Document : WG-FSA-11/P01 : Autor(es): A.H. Andrews, J.R. Ashford, C.M. Brooks, K. Krusic-Golub, G. Duhamel, M. Belchier, C.C. Lundstrom and G.M. Cailliet
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Comparison of age readings by two otolith preparation techniques and readers
Abstract: During the 2012 CCAMLR toothfish ageing workshop, otoliths from 31 Antarctic toothfish ... ” techniques were used to prepare otoliths and each were read by an experienced reader from each program. The ... and in interpretation of the break and burn preparation method to warrant further coordination and ... . This experiment highlights the importance of monitoring and comparing ageing protocols within and ...
Meeting Document : WG-FSA-14/53 : Autor(es): S.J. Parker (New Zealand), A.F. Petrov (Russia), C.P. Sutton (New Zealand) and E.N. Kuznetsova (Russia)
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Method for rapidly assessing spatial scale of interactions of fishing gear with habitats and Antarctic marine living resources
Abstract: In 2014, the Scientific Committee noted that it needed to develop advice routinely on ... the potential impacts on dependent and related species for proposed exploratory fisheries and ... requested working groups consider how to report on these issues, which also form part of the review ... consideration. Here, we present (i) a method for automating these requirements irrespective of the data layers ...
Meeting Document : WG-FSA-15/62 Rev. 1 : Autor(es): A. Constable, M. Sumner, J. Melbourne-Thomas and D. Welsford (Australia)
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Population status of Ross Sea killer whales (Orcinus orca, Type C) in McMurdo Sound, Antarctica, based on photo-identification studies
2014/15. Using photo-identification methods, we identified 352 individual RSKWs in the Sound and up to ... toothfish (Dissostichus mawsoni) may have led to a marked decline RSKW numbers in the southwestern Ross Sea ... , our analysis suggests that at least the resident killer whale population in McMurdo Sound is stable ... with the average annual estimated number of deaths (= 2.4, 95% probability = 1.2-4) being balanced by ...
Meeting Document : WG-EMM-16/50 : Autor(es): R. Pitman, H. Fearnbach and J.W. Durban
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AGENDA PROVISIONAL COMENTADA DE LA TRIGÉSIMA REUNIÓN DE LA COMISIÓN PARA LA CONSERVACIÓN DE LOS RECURSOS VIVOS MARINOS ANTÁRTICOS
Title: Provisional Annotated Agenda for the Thirtieth Meeting of the Commission for the ...
Meeting Document : CCAMLR-XXX/02