Résultats de la recherche

1. Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica

   (TL) and about 3–4 years of age and that 95% were mature at about 370–400 mm (TL) and 6–8 years of age ... asymptotic maximum size than males. Maximum ages of 8 and 11 years were obtained for male and female fish ... , diet, and age estimation. All of the icefish sampled were identified as Chionobathyscus dewitti, and ... showed no significant difference in sex ratio. Meristic, diet and age data were consistent with previous ...

   Meeting Document : WG-FSA-07/25 : Auteur(s): C.P. Sutton, M.J. Manning, D.W. Stevens, P.M. Marriott (New Zealand)

2. Revised proposal for a CCAMLR sponsored research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea

   and requested members develop a pre-recruit survey design. A preliminary proposal for a pre-recruit ... survey was presented to the 2011 meeting of WG-SAM. In this paper we provide an update of the preliminary ... for the research proposal for a longline survey of pre-recruit toothfish in the southern Ross Sea ... survey, the target fish age and length classes to be monitored, appropriate survey strata size and ...

   Meeting Document : WG-FSA-11/47 : Auteur(s): S.M. Hanchet, S. Mormede, S.J. Parker and A. Dunn (New Zealand)

3. Principles for evaluating data collection plans in data-poor exploratory fisheries

   Commissions’ goals for new, exploratory and closed fisheries as well as satisfying the objectives in Article ... developing robust assessments of status of Dissostichus spp. in exploratory fisheries. Each additional year ... of principles to assist the Scientific Committee with developing a framework for research in data ... II. Author(s):  P.E. Ziegler, D.C. Welsford and A.J. Constable (Australia) Title:  Principles for ...

   Meeting Document : WG-SAM-11/08 : Auteur(s): P.E. Ziegler, D.C. Welsford and A.J. Constable (Australia)

4. Selecting sampling frequency for measuring diving behaviour

   seals: an increase in interval from 5s to 15s resulted in 20% of dives being unrecognised, a 38 ... fur seals and southern elephant seals representative of the extremes of diving in pinnipeds. For both ... concatenated) increased monotonically as sampling interval increased. Effects were especially marked for fur ... surface interval. In elephant seals an increase in interval from l0s to l00s produced changes of 10%. 5 ...

   Meeting Document : WG-CEMP-93/14 : Auteur(s): I.L. Boyd (United Kingdom)

5. Reassessment of important population parameters for Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on time series of surveys and fishery data

   . An approach is proposed to estimate age selectivity to the trawl fishery in the region. In conclusion ... Abstract:  A large body of data and techniques are available for re-assessing the biological ... -estimated in the past. An estimate of natural mortality indicates that mortality of young fish, ages 3-8 ... (Australia) Title:  Reassessment of important population parameters for Dissostichus eleginoides on the Heard ...

   Meeting Document : WG-FSA-01/73 : Auteur(s): A.J. Constable, R. Williams, T. Lamb, I.R. Ball and E. van Wijk (Australia)

6. Updates to Fishery Reports – A prototype based on the ‘Exploratory fishery for Dissostichus mawsoni in Subarea 48.6’ Fishery Report

   SAM meeting server). The 2018 Working Group on Fish Stock Assessment welcomed the Secretariat’s intent ... to transform the way Fishery Reports will be published, into standardised and automated webpages (WG ... prototype based on the ‘Exploratory fishery for Dissostichus mawsoni in Subarea 48.6’ Fishery Report ... responsibility for releasing documents:  CCAMLR Secretariat ...

   Meeting Document : WG-SAM-2019/35 : Auteur(s): CCAMLR Secretariat

7. Report on fishing effort and seabird interactions during the season extension trials in the longline fishery for Patagonian toothfish (Dissostichus eleginoides) in Statistical Division 58.5.2

   fishery for Patagonian toothfish (Dissostichus eleginoides) in Statistical Division 58.5.2 started as a ... add season extensions from 15-30 April and 15 September- 31 October to the core season. In 2015 ... , CCAMLR XXXIV (para. 5.68) endorsed new pre-season (1-14 April) and post-season (15-30 November) season ... extension trials, in addition to an existing post-season (1-14 November) extension trial. We recommend that ...

   Meeting Document : WG-FSA-2019/31 : Auteur(s): P. Ziegler, T. Lamb, S. Wotherspoon and J. Dell

8. Considerations for research plan design and implementation in data-poor fisheries

   implementation issues raised during research plan design and evaluations. Our aim is to streamline the review ... . Sharp, A. Dunn (New Zealand) and K. Taki (Japan) Title:  Considerations for research plan design and ...

   Meeting Document : WG-SAM-13/37 : Auteur(s): S.J. Parker, B. Sharp, A. Dunn (New Zealand) and K. Taki (Japan)

9. THE ASAM 2010 ASSESSMENT OF KRILL BIOMASS FOR AREA 48 FROM THE SCOTIA SEA CCAMLR 2000 SYNOPTIC SURVEY

   published for the original methodology, but omitted from the ASAM2010 report (SC-CAMLR-XXIX, Annex 5 ... the CCAMLR 2000 synoptic survey data to generate a quality checked krill biomass for area 48 following ... BIOMASS FOR AREA 48 FROM THE SCOTIA SEA CCAMLR 2000 SYNOPTIC SURVEY Approval:  Approved ...

   Meeting Document : WG-EMM-11/20 : Auteur(s): S. Fielding and J. Watkins (UK) and ASAM participants: A. Cossio, C. Reiss and G. Watters (USA), L. Calise and G. Skaret (Norway), Y. Takao (Japan), X. Zhao (People’s Republic of China), D. Agnew (UK) and D. Ramm and K. Reid (CCAMLR Secretariat)

10. Best practice seabird by-catch mitigation for Spanish-rig longline vessels with emphasis on line weighting regimes

    throughout the southern hemisphere and has been the source of a large number of seabird fatalities. An ... priority because Spanish system gear, while fast to deeper depths (10-20 m), is slow to clear surface ... between weights on longlines (30 m, 40 m and 50 m) and mass of the weights (4 kg, 6 kg and 8 kg) on sink ... time profiles of longlines. The variable was the sink time to six target depths from 1-20 m as ...

    Meeting Document : WG-FSA-06/22 : Auteur(s): G. Robertson (Australia), C.A. Moreno (Chile), B. Wienecke (Australia), P. Gandini (Argentina), G. McPherson (Australia) and J.-P. Seco Pon (Argentina)

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