Resultados de la búsqueda
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Towards developing a feedback management procedure for the Antarctic krill fishery
spatial distribution of fishing activity for Antarctic krill in Statistical Area 48. The CEMP currently ... relevant to making inference about the potential for competition between krill-dependent predators and the ... rules for adjustments to the fishery and can be parameterized from empirical observations collected at ... CEMP sites (e.g. relationships between animal condition and subsequent survival). If a feedback ...
Meeting Document : WG-EMM-12/44 : Autor(es): G. Watters and J. Hinke (USA)
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Estimation of tag-loss rates for tagged fish in the Patagonian toothfish (Dissostichus eleginoides) fisheries at Heard Island and McDonald Islands in Division 58.5.2
at liberty of 6 years, as l = 0.014 for longline and l = 0.007 for trawl. However, this single tag ... fishery, 99.3% of all double-tagged fish retain at least one tag after one year, and 80.2% after ten years ... Abstract: Tag-loss or tag-shedding rates for tagged fish in the Patagonian toothfish ... fish. With an initial tag-loss proportion of 2.8% and ongoing tag-loss rate of 0.056 in the longline ...
Meeting Document : WG-FSA-17/21 : Autor(es): P. Ziegler
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Developing the risk assessment framework for the Antarctic krill fishery in Area 48
Abstract: Recognising that CM 51-07 is scheduled to lapse at the end of the 2020/2021 fishing ... improved for the future. We therefore indicate key areas for community engagement to help develop the next ... . Murphy, N. Kelly, S. Kawaguchi and D. Welsford Title: Developing the risk assessment framework for the ... Delegation responsibility for releasing documents: United Kingdom ...
Meeting Document : WS-SM-18/04 : Autor(es): P. Trathan, V. Warwick-Evans, E. Young, S. Thorpe, E. Murphy, N. Kelly, S. Kawaguchi and D. Welsford
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Preliminary assessment of mackerel icefish (Champsocephalus gunnari) for the Heard Island Plateau region (Division 58.5.2) based on a survey in June 2005
in the vicinity of Heard Island in June 2005 to provide the information for an assessment of short ... years old during the coming season. This would result in an estimated yield of 1,210 tonnes, which is ... less than that predicted for the coming season in the 2004 assessment by WG-FSA. Author(s): A.J ... (Champsocephalus gunnari) for the Heard Island Plateau region (Division 58.5.2) based on a survey in June 2005 ...
Meeting Document : WG-FSA-05/39 : Autor(es): A.J. Constable, T. Lamb and R. Williams (Australia)
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Fish Heaven 2.0: summary of modifications and additions to earlier versions and illustrations of its application as a tool for evaluating fisheries management systems
examples of its application as a tool for evaluating fisheries management systems. As in previous years ... range of models to be constructed and explored. The application of Fish Heaven as an evaluation tool is ... illustrated by some examples of how Catch Per Unit Effort performs as an indicator of abundance under simple ... additions to earlier versions and illustrations of its application as a tool for evaluating fisheries ...
Meeting Document : WG-FSA-SAM 03/15 : Autor(es): I. Ball (Australia)
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Report of the First Workshop on the Identification of Priority Areas for MPA Designation within Domain No. 1 (CCAMLR). Valparaiso 2012
Abstract: The first Workshop for developing MPAs in the Domain 1 was held at Valparaiso, Chile ... representatives from the fishing industry. Main outcomes of the Workshop were: an agreement on sharing data layers ... for conducting the analysis; a concerted list of conservation objectives to be included in the ... analyses; a review of existing and missing data; a definition of the cost-layer to be included; a ...
Meeting Document : WG-EMM-12/69
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Towards a strategic framework for assessing uncertainty in ecosystem dynamics models: objectives are sensitive too
that indentifying quantitative reference points for ecosystem based management will be an essential ... candidate feedback management approaches for the Antarctic krill fishery in the southern Drake Passage and ... of the precautionary catch limit for krill. Foosa might therefore be a suitable simulation platform ... for evaluating feedback management approaches. Although Foosa resembles a minimum realistic model, it ...
Meeting Document : WG-EMM-12/20 Rev. 1 : Autor(es): S. Hill and J. Matthews (United Kingdom)
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Determination of a statistically based survey area suitable for hydroacoustic stock assessment of Euphausia superba in the Elephant Island, King George Island, Bransfield Strait area
relatively uniform from year to year. Using only sub-area biomass leads to an ambiguous interpretation of the ... Abstract: The selection of a survey area of sufficient size to acount for the migratory behavior ... be shown to exhibit high standing stock (greater than 2 million tons) years, moderate standing stock ... (approximately 1 million tons) years, and low standing stock (less than 1/2 million ton) years. The size of the ...
Meeting Document : SC-CAMLR-VIII/BG/32 : Autor(es): Delegation of USA
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Size selectivity of the RMT8 plankton net and a commercial trawl for Antarctic krill
has been studied. Selection curves indicate that krill length classes smaller 20 mm are ... underrepresented in the RMT8. For the commercial trawl with a liner mesh size of 12mm the length classes smaller 35 ... study on krill damaged during trawling operations indicates an effect of trawling duration and total ... commercial trawl for Antarctic krill Approval: Approved ...
Meeting Document : WG-EMM-07/28 : Autor(es): V. Siegel (Germany)
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Preliminary assessment of long-term yield of Patagonian toothfish (Dissostichus eleginoides) for the Heard Island Plateau region (CCAMLR Division 58.5.2) based on a random stratified trawl survey in May 2004
58.5.2 in the vicinity of Heard Island in May 2004 to provide the information for an assessment of short ... for the area of Division 58.5.2 to the west of 79 o 20’ E using standard CCAMLR methods. It presents a ... range of sensitivity analysis for the assessment based on deliberations at WG-FSA 2003 with respect to ... Patagonian toothfish (Dissostichus eleginoides) for the Heard Island Plateau region (CCAMLR Division 58.5.2 ...
Meeting Document : WG-FSA-04/76 : Autor(es): C.R. Davies, T. Lamb, A.J. Constable and R. Williams (Australia)