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1. Preliminary evaluation of two feedback management strategies for the krill fishery in Subareas 48.1–48.3

   for the krill fishery will compromise the Commission’s ability to achieve the objectives in Article II ... of the Convention. Management strategies for the krill fishery are currently comprised of an overall ... management units (SSMUs) every five years based on results of monitoring either (1) the density of krill (g·m ... evaluation of two feedback management strategies for the krill fishery in Subareas 48.1–48.3 Microsoft Word ...

   Meeting Document : SC-CAMLR-XXXVII/BG/12 : Автор(ы): Delegation of the USA

2. A model at the level of the foraging trip for the indirect effects of krill (Euphausia superba) fisheries on krill predators

   to the next according to an age-structured, stochastic recruitment model. We use the model to ... fishery. 3. The biomass of krill appropriate for the predators (and the fishery) fluctuates from one year ... Abstract:  1. Although the development of fisheries for krill in the southern oceans has prompted ... population level effects. Here, we present for. the first time a model at the level of the foraging trip for ...

   Meeting Document : WG-EMM-96/20 : Автор(ы): Switzer, P.V., Mangel, M.

3. 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 : Автор(ы): C.P. Sutton, M.J. Manning, D.W. Stevens, P.M. Marriott (New Zealand)

4. 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 : Автор(ы): S.M. Hanchet, S. Mormede, S.J. Parker and A. Dunn (New Zealand)

5. 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 ... in accordance with the principles set forth in Article II of the Convention. However, several times ... over the last five years the Scientific Committee has noted with concern the lack of progress in ... of principles to assist the Scientific Committee with developing a framework for research in data ...

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

6. 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 ... between individuals, seasons and years are possible. The degree to which the sampling interval selected ... 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 ...

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

7. 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 ... over 11 years on this stock with other surveys including part of this stock. This paper describes the ... -estimated in the past. An estimate of natural mortality indicates that mortality of young fish, ages 3-8 ...

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

8. 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 : Автор(ы): CCAMLR Secretariat

9. 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 ... seabird mitigation measures since the initial fishing season in 2003. Over the years, CCAMLR has agreed to ... 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 ...

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

10. 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 : Автор(ы): S.J. Parker, B. Sharp, A. Dunn (New Zealand) and K. Taki (Japan)

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