Resultados de la búsqueda
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A RE-ANALYSIS AND UPDATE OF THE ANTARCTIC KRILL BIOMASS IN THE SOUTH SHETLAND ISLANDS, THROUGH 2011
based data show that 2011 was a year of good recruitment, following two years of low recruitment. Krill ... in a biomass of more than 128 000 tons. Refining biomass estimates and estimates of recruitment will ... most rapid climate change as well as population declines of major land-based predators. Author(s): A ... . Cossio, C. Reiss and R. Driscoll (USA) Title: A RE-ANALYSIS AND UPDATE OF THE ANTARCTIC KRILL BIOMASS IN ...
Meeting Document : WG-EMM-11/26 : Autor(es): A. Cossio, C. Reiss and R. Driscoll (USA)
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Supplement to the krill synoptic survey design in Area 48 (with participation of a Russian scientific research vessel)
distribution over the whole water area of Subareas 48.1-48.4 covering a vast zone of krill drift and that of ... reveal interrelations between individual Subareas of the same. It is given a supplement to the most up-to ... being a part of the forthcoming synoptic survey in Area 48. Author(s): V.A. Sushin, S.M. Kasatkina and ... participation of a Russian scientific research vessel) Approval: Approved ...
Meeting Document : WG-EMM-99/43 : Autor(es): V.A. Sushin, S.M. Kasatkina and F.F. Litvinov (Russia)
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A summary of the commercial fishery for mackerel icefish Champsocephalus gunnari in Subarea 48.3 during the 1997/98 season
, fished commercially for mackerel icefish at South Georgia (Subarea 48.3) using a midwater trawl for ten ... were due to a low standing stock of the target species, or the inexperience of the fishing master ... . Author(s): G. Parkes, A. King and C. Jones (United Kingdom) Title: A summary of the commercial fishery ...
Meeting Document : WG-FSA-98/53 : Autor(es): G. Parkes, A. King and C. Jones (United Kingdom)
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Depletion-based stock reduction analysis: a catch-based method for determining sustainable yields for data-poor fish stocks
Abstract: We describe a method for determining reasonable yield and management reference points ... annual catches, approximate natural mortality rate and age at maturity. A production function is ... unknown parameter, which can be estimated given a designated relative depletion level near the end of the ... stocks. Author(s): E.J. Dick and A.D. McCall Title: Depletion-based stock reduction analysis: a catch ...
Meeting Document : WG-SAM-11/P2 : Autor(es): E.J. Dick and A.D. McCall
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A revised assessment of Patagonian toothfish in Subarea 48.4
, into northern and southern components. The northern component is assessed as a single species of D ... . eleginoides whilst the southern component is assessed as a combination of D. eleginoides and D. mawsoni. Both ... , covering the whole of the subarea, would be a more appropriate method for assessing the stocks than the ... Kingdom) Title: A revised assessment of Patagonian toothfish in Subarea 48.4 Approval: Approved ...
Meeting Document : WG-SAM-13/24 : Autor(es): R. Scott (United Kingdom)
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A preliminary assessment and revised growth model of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2017 random stratified trawl survey
model and a preliminary assessment for mackerel icefish (Champsocephalus gunnari) population structure ... Generalized Yield Model). The 2017 survey showed a large 3+ cohort dominating the population. An updated ... parameters resulted in only a small impact on yield. Catches of 526 t in the 2017/18 season and 395 t in the ... . Maschette, P. Burch, P. Yates and D. Welsford Title: A preliminary assessment and revised growth model of ...
Meeting Document : WG-FSA-17/22 : Autor(es): D. Maschette, P. Burch, P. Yates and D. Welsford
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A review and analysis of indices from CEMP data
Abstract: A data checking and validation process was undertaken for the data held in the CCAMLR ... comparisons. A series of questions designed to improve the understanding of the characteristics of different ... paramters is provided for discussion by the Working Group. Author(s): Secretariat Title: A review and ...
Meeting Document : WG-EMM-12/62 : Autor(es): Secretariat
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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 May 2004
Abstract: A survey of Mackerel Icefish, Champsocephalus gunnari,was undertaken in Division 58.5.2 ... -term annual yield in the 2004/2005 CCAMLR season. This paper provides a preliminary assessment of yield ... gunnari) for the Heard Island Plateau region (Division 58.5.2) based on a survey in May 2004 Approval ...
Meeting Document : WG-FSA-04/77 : Autor(es): C.R. Davies, T. Lamb, A.J. Constable and R. Williams (Australia)
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A short note on the tagging of skates in Subarea 88.1
Abstract: New Zealand has undertaken a tag recapture study of skates (Family Rajidae) in Subarea ... -00/55. This paper provides a brief update on the 2000/01 results and the tagging protocol in use ... . Author(s): N.W.McL. Smith (New Zealand) Title: A short note on the tagging of skates in Subarea 88.1 ...
Meeting Document : WG-FSA-01/65 : Autor(es): N.W.McL. Smith (New Zealand)
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A study of Patagonian toothfish (Dissostichus eleginoides) post tagging survivorship in Subarea 48.3
tagging. On one vessel fish with a variety of injuries were selected to see if this affected recovery. 395 ... differences between vessels, and smaller animals and animals in better initial condition had a slightly higher ... suggest that experienced observers using animals in good condition would normally achieve a survivorship ... Plessis, J. Van Heerdon (South Africa) and G. Moreno (Spain) Title: A study of Patagonian toothfish ...
Meeting Document : WG-FSA-05/19 : Autor(es): D. J. Agnew, J. Moir Clark, P.A. McCarthy, M. Unwin, M. Ward, L. Jones (United Kingdom), G. Breedt, S. Du Plessis, J. Van Heerdon (South Africa) and G. Moreno (Spain)