Résultats de la recherche
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Towards a new method for age determination in Antarctic krill, and evidence that krill shrink under natural conditions
summer show an apparent linear relationship between crystalline cone number and body-length. From a ... be a more reliable indicator of age than body-length alone. The ratio of crystalline cone number to ... body-length offers a method for detecting the effect of shrinking in natural populations of krill. On ... . Author(s): W. de la Mare (Australia) Title: Towards a new method for age determination in Antarctic ...
Meeting Document : WG-Krill-94/17 : Auteur(s): W. de la Mare (Australia)
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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 : Auteur(s): R. Scott (United Kingdom)
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2014
. Please note, that the current state of the background document presents a comprehensive yet incomplete ... , (iii) to inform on the data retrieval process, (iv) to provide- for the first time- a comprehensive ... work beyond the development of the scientific basis for the evaluation of a Weddell Sea MPA. Author(s ... ): Delegation of Germany Title: Scientific background document in support of the development of a CCAMLR MPA in ...
Meeting Document : SC-CAMLR-XXXIII/BG/02 : Auteur(s): Delegation of Germany
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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 : Auteur(s): D. Maschette, P. Burch, P. Yates and D. Welsford
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A condensed history and document of the method used by CCAMLR to estimate krill biomass (B0) in 2010
Antarctic marine food web, being prey to a wide variety of dependent species as well as being commercially ... model and krill yield model (Constable and de la Mare, 1996; Butterworth et al. 1994). A key parameter ... survey design, implementation and original analysis (CCAMLR 1999; 2000). Since 2000 a number of re ... highlighted in bold. This document does not describe a re-design of the CCAMLR synoptic survey, but details ...
Meeting Document : WG-EMM-16/38 : Auteur(s): S. Fielding, A. Cossio, M. Cox, C. Reiss, G. Skaret, D. Demer, J. Watkins and X. Zhao
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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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): 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)
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Preliminary results from a study examining spatial structure and connectivity in Patagonian toothfish (Dissostichus eleginoides) in the South Atlantic section of the Southern Ocean
caught further west, implying a stock boundary. Although fish caught off the eastern North Scotia Ridge ... than a genetic one. Author(s): J.R. Ashford (USA), A. Arkhipkin (United Kingdom) and C.M. Jones (USA ... ) Title: Preliminary results from a study examining spatial structure and connectivity in Patagonian ...
Meeting Document : WG-FSA-03/86 Rev. 1 : Auteur(s): J.R. Ashford (USA), A. Arkhipkin (United Kingdom) and C.M. Jones (USA)