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1. Modelling Movement of Antarctic Krill (MMAK): the importance of retention, dispersal and behaviour for krill distribution – a project update

   Abstract:  This paper provides an update on the joint UK-Norway MMAK project, funded by the ... scales relevant to the krill fishery and predators.  Preliminary analysis of a 20-year time series of ... that influence the distribution of Antarctic krill in CCAMLR Area 48, focussing in particular on the ... investigate the impact of physical and behavioural processes on the distribution of krill in this area, at ...

   Meeting Document : WG-EMM-18/06 : Autor(es): S.E. Thorpe, E.F. Young, E.J. Murphy, O.R. Godø and A.H.H. Renner

2. Characteristics of water flows in areas for Antarctic krill concentrations near the South Shetland Islands

   Abstract:  Water flows in harvestable areas for Antarctic krill (Euphausia superba) on the ... continental slope and shelf of the South Shetland Islands were examined based on drifting buoy data ... . Convergent complex eddies were observed in harvestable areas on the shelf, while shear current was observed ... in those on the slope. Large-scale movements of the buoys suggest krill flux from the South Shetlands ...

   Meeting Document : WG-EMM-95/49 : Autor(es): Naganobu, M., Ichii, T.

3. Upward adjustments to local catch limits for the krill fishery in Subarea 48.1

   Abstract:  Here we compile three vignettes that, together, provide the basis for making upward ... founded on 1) a “stoplight” classification of predator performance to identify years when predator ... particular it would be useful for fishing vessels to collect acoustic data on repeat transects twice per ... adjustments to local catch limits for the krill fishery in Subarea 48.1.  We use the term local catch limit to ...

   Meeting Document : WG-EMM-16/47 : Autor(es): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries

4. Risk assessment framework for subdividing the krill catch trigger level, including relevant background data and information

   Abstract:  At its annual meeting in 2016, WG-EMM recalled its obligation to review and advise on ... discussions on this subject in paragraphs 2.201 to 2.244 of its WG report.  WG-EMM recommended that work be ... undertaken to further develop a risk assessment approach to spatially subdivide the trigger level for krill ... in Area 48 through an e-group and to deliver these outputs to Scientific Committee (WG-EMM-16 ...

   Meeting Document : SC-CAMLR-XXXV/BG/37

5. A balanced trophic model of the ecosystem of the Ross Sea, Antarctica, for investigating effects of the Antarctic toothfish fishery

   (diets, predators) for major groups of biota. We also estimated the level of uncertainty on these ... Abstract:  We report on the development of a mass balanced carbon-budget trophic model of the Ross ... Sea with which to investigate effects of the fishery for Antarctic toothfish (Dissostichus mawsoni). A ... survey of the available literature provided an initial set of parameters describing the abundance ...

   Meeting Document : WG-EMM-07/18 : Autor(es): M.H. Pinkerton, S.M. Hanchet and J. Bradford-Grieve (New Zealand)

6. DEVELOPMENT OF A SPATIALLY EXPLICIT AGE-STRUCTURED STATISTICAL CATCH-AT-AGE POPULATION DYNAMICS MODEL FOR MODELLING MOVEMENT OF ANTARCTIC TOOTHFISH IN THE ROSS SEA

   maturity state spatial movement model. SPM is an aggregate movement model suitable for use with large ... designed to be flexible, allow for the estimation of both population and movement parameters based on local ... population dynamics model (SPM) for developing and investigating plausible spatial movement models, and apply ... a preliminary development version of this model to Antarctic toothfish in the Ross Sea as an age and ...

   Meeting Document : WG-SAM-08/14 : Autor(es): A. Dunn and S. Rasmussen (New Zealand)

7. Revised CASAL model for D. eleginoides with updated biological parameters at Division 58.4.4b

   ogice) of Dissostichus eleginoides for Division 58.4.4b were updated based on the data gathered up to ... to conduct an exploration of the impact of different scenarios of depredation and IUU in order to ... have large impact on estimated B0 at the block 1 of Division 58.4.4b. On the other hands, the degree of ... IUU estimation potentially has large impact on the CASAL B0 estimation. The results of MCMC indicates ...

   Meeting Document : WG-SAM-2019/30 : Autor(es): T. Okuda and F. Massiot-Granier

8. Modelling Movement of Antarctic Krill (MMAK): the importance of retention, dispersal and behaviour for krill distribution

   .  Modelling will focus on the South Orkney Islands region, an area that is crucial for determining the overall ... ) fishery requires an understanding of the controls on the distribution and abundance of krill ... availability of krill across the Scotia Sea region.  The results will help inform WG-EMM activities on the ... development of feedback management procedures and provide the present-day context for considering the ...

   Meeting Document : WG-EMM-17/31 : Autor(es): S. Thorpe, E. Young and E. Murphy

9. Proposal of the Russian Federation to establish research TAC for closed SSRU in Subareas 88.1 and 88.2

   Abstract:  Over the last three years at the meetings of WGs and CCAMLR SC a question about ... research TAC in open and closed SSRUs of the Ross Sea has been raised. In accordance with established ... practice, as a rule, if research goes on in open SSRU then the necessary catch limits are taken from the ... unit`s TAC. If research fishing goes on in closed SSRU then as a rule catch limits are taken from the ...

   Meeting Document : WG-SAM-15/20 : Autor(es): Delegation of the Russian Federation

10. Preliminary aspects of a simulation model to be used for evaluating the experimental crab fishery

    recruitment relationship, and a model for catch that contains a random normal deviate. Finally, an algorithm ... Abstract:  At the 1993 meeting of the Working Group on Fish Stock Assessment, members requested ... that work be undertaken to evaluate certain aspects of the experimental management strategy for the ... Antarctic crab fishery. A simulation model is proposed for conducting this work. Length frequency and catch ...

    Meeting Document : WG-FSA-94/26 : Autor(es): G. Watters (USA)

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