Search results
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An identification of areas within the high seas of the Southern Ocean that would contribute to a representative system of marine protected areas
Abstract: The Commission on the Conservation of Antarctic Marine Living Resources (CCAMLR) has ... the primary responsibility for developing a representative system of marine protected areas (RSMPA ... milestones for 2011 are the identification of candidate MPAs and the submission of MPA proposals to the ... CCAMLR Scientific Committee. However, the majority of the Southern Ocean has not undergone systematic ...
Meeting Document : WS-MPA-11/16 : Author(s): L.L. Douglass, D. Beaver, J. Turner and R. Nicoll (WWF–ASOC)
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A review of models of Southern Ocean ecosystems: krill, ecosystems and the impacts of harvesting
Abstract: An ecosystem approach for the management of human activities in the Southern Ocean is ... enshrined in the principles of the Commission for the Conservation of Antarctic Marine Living Resources ... (CCAMLR). The implementation of such an approach requires an understanding of the wider dynamics of the ... ecosystem, which is best achieved through the development of ecosystem models. However, not all models will ...
Meeting Document : WG-EMM-04/67 : Author(s): S.L. Hill, E.J. Murphy, K. Reid, P.N. Trathan (United Kingdom), A. Constable (Australia)
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A balanced trophic model of the ecosystem of the Ross Sea, Antarctica, for investigating effects of the Antarctic toothfish fishery
Abstract: We report on the development of a mass balanced carbon-budget trophic model of the Ross ... Sea with which to investigate effects of the fishery for Antarctic toothfish (Dissostichus mawsoni). A ... survey of the available literature provided an initial set of parameters describing the abundance ... (diets, predators) for major groups of biota. We also estimated the level of uncertainty on these ...
Meeting Document : WG-EMM-07/18 : Author(s): M.H. Pinkerton, S.M. Hanchet and J. Bradford-Grieve (New Zealand)
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Influence of the quality and quantity of data from a multi-year tagging program on bias and precision of biomass estimates from an integrated stock assessment – update
Abstract: By way of simulation, this study investigated how the bias and precision of biomass ... estimates from an integrated tag-based assessment are influenced by various aspects of a multi-year tagging ... program, in particular the effects of the size (tag size-overlap) and numbers of tagged fish, the duration ... of the tagging program, the type of auxiliary data used in the assessment, and the catch history ...
Meeting Document : WG-FSA-12/18 : Author(s): P.E. Ziegler (Australia)
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The use of Antarctic shags to monitor coastal fish populations: evaluation and proposals after five years of test of a standard method
Abstract: This overview reflects the main points of the feasibility of using the Antarctic Shag ... as a monitor of inshore demersal fish populations, including species of commercial importance ... . Likewise, the history of the development of this theme in relation to the EMM and FSA Working Groups of ... CCAMLR since the onset of the 1990s until the recent five year testing period of the Standard Method, is ...
Meeting Document : WG-EMM-03/5 : Author(s): R. Casaux and E. Barrera-Oro (Argentina)
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AN ASSESSMENT OF ARTIFICIAL BAIT (NORBAIT™) AS A MEANS OF REDUCING THE INCIDENTAL CATCH OF MACROURUS AND OTHER BYCATCH SPECIES IN HIGH LATITUDE TOOTHFISH FISHERIES
assess the effectiveness of artificial bait as a means of reducing the incidental catch of Macrouridae ... to assess basic requirements such as ease of use, bait longevity on the hook, and catchability ... (defined here as a measure of a baited hook to attract and catch a given species of fish) of target and ... Aspiring operating in the waters of South Georgia and the South Sandwich Islands (CCAMLR Statistical ...
Meeting Document : WG-FSA-08/52 : Author(s): J.M. Fenaughty (New Zealand)
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Notification of research-in-progress in an Australian tuna fishery of relevance to the conservation of Convention Area seabirds
Abstract: This purpose of this document is to inform CCAMLR of work-in-progress in the Australian ... eastern tuna and billfish fishery (ETBF) of potential relevance to the conservation of Convention area ... determine the effect of line weighting regimes and bait type on the sink rate of longlines. This experiment ... was completed in April 2005. (b) a manipulative experiment testing the effectiveness of various ...
Meeting Document : WG-FSA-05/13 : Author(s): G. Robertson, B. Wienecke, K. Lawton and B. Baker (Australia)
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Variation of ice edge position in western part of Atlantic sector of the Antarctic
Abstract: Satellite imagery of the pack ice edge position in western part of the Atlantic sector ... of the Antarctic derived on each tenday period basis has been used to analyse its spatial and ... temporal variation in the area between 65° and 20°W. Amplitude of the seasonal variation of the ice edge ... position was found to increase from the west to the east. Described is two-year cyclicity of consecutive ...
Meeting Document : SC-CAMLR-VIII/BG/49 : Author(s): Delegation of USSR
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Using vessel acoustics to detect diving patterns of krill foraging predators automatically: Development of a novel method for quantifying impact of krill fishing on seals and penguins
Abstract: The aim of this work was to assess the possibilities of automatically generating a ... dataset of dive behaviour of air-breathing predators, based on acoustic data from a monitoring survey and ... from commercial krill fishing operations. Our results documents that some form of automatic detection ... of diving predators in the data is feasible. A relatively low detection probability of our algorithms ...
Meeting Document : WG-EMM-15/25 : Author(s): T.A. Klevjer, O.R. Godø and B. Krafft (Norway)
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Progress towards a trophic model of the ecosystem of the Ross Sea, Antarctica, for investigating effects of the Antarctic toothfish fishery
Abstract: We report on the further development of a carbon-budget trophic-model of the Ross Sea ... with which to investigate effects of the fishery for Antarctic toothfish (Dissostichus mawsoni). The ... relative absence of krill, Antarctic silverfish (Pleuragramma antarctica) are probably the major middle ... considered a work in progress. Overall, the model is close to balance, with total exports of organic carbon ...
Meeting Document : WG-EMM-06/14 : Author(s): M. Pinkerton, S. Hanchet and J. Bradford-Grieve (New Zealand)