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1. Sensitivities in the assessment of the Patagonian toothfish (D. eleginoides) in Subareas 48.3 and 48.4 to truncation of tagging data

   Abstract:  The assessment of toothfish in CCAMLR subarea 48.3 currently uses the first four years ... of tag recaptures post release as input data, whereas the assessment in subarea 48.4 uses all ... available recapture data (excluding in-year recaptures). A theoretical analysis of the use of data from ... . Sensitivity tests on the 48.3 assessment show that this bias is not entirely explained by the effect of double ...

   Meeting Document : WG-SAM-17/35 : Автор(ы): T. Earl

2. Proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2018–2022

   years, 2018–2022. The first objective of the survey is to monitor toothfish recruitment in the southern ... Ross Sea (core strata). This is a continuation of the yearly time series of research surveys of these ... of the diet of Type C killer whales and Weddell seals. The third objective is to collect and analyse ... a wide range of data and samples from these areas (e.g. benthic invertebrates, stomach and tissue ...

   Meeting Document : WG-SAM-17/39 : Автор(ы): S.M. Hanchet, K. Large, S.J. Parker, S. Mormede and A. Dunn

3. Updated stock assessment of Patagonian toothfish (Dissostichus eleginoides) in the vicinity of Kerguelen Islands (division 58.5.1)

   Abstract:  This paper presents the latest developments in model of Kerguelen with an updating of ... input data from the more recent years (up to 2016/17 season) and a reassessment of stocks taking into ... account the previous remarks of the WG-FSA meetings. Author(s):  R. Sinegre, G. Duhamel and J.B. Lecomte ... Title:  Updated stock assessment of Patagonian toothfish (Dissostichus eleginoides) in the vicinity of ...

   Meeting Document : WG-FSA-17/60 : Автор(ы): R. Sinegre, G. Duhamel and J.B. Lecomte

4. Proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2018–2022

   years, 2018–2022. The first objective of the survey is to monitor toothfish recruitment in the southern ... Ross Sea (core strata). This is a continuation of the yearly time series of research surveys of these ... of the diet of Type C killer whales and Weddell seals. The third objective is to collect and analyse ... a wide range of data and samples from these areas (e.g. benthic invertebrates, stomach and tissue ...

   Meeting Document : WG-FSA-18/41 : Автор(ы): S.M. Hanchet, K. Large, S.J. Parker, S. Mormede and A. Dunn

5. Extension of the development of a management procedure for the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity

   take account of the different selectivities of past longline and pot fisheries. These models are used ... for trials of a candidate Management Procedure (MP) which could provide future TAC recommendations for ... this resource. The MP uses two data sources: the recent trend in longline CPUE and the mean length of ... the catches made. This MP provides encouraging performance over the wide range of scenarios considered ...

   Meeting Document : WG-SAM-07/10 : Автор(ы): A. Brandão and D.S. Butterworth (South Africa)

6. Distribution and size of Antarctic krill (Euphausia superba Dana) in the Polish commercial catches in the Atlantic sector of Antarctica in 1997–1999

   Abstract:  The distribution, density and length composition of krill in commercial concentrations ... were investigated in the regions of South Shetland, Elephant, South Georgia and South Orkneys in spring ... decreased. Since during the period of February- June day illumination progressively becomes shorter it must ... be assumed that there are other factors besides illumination which have an impact on the degree of ...

   Meeting Document : WG-EMM-01/13 : Автор(ы): E. Jackowski (Poland)

7. An investigation of avoidance by Antarctic krill of RRS James Clark Ross using the Autosub-2 autonomous underwater vehicle

   of RRS James Clark Ross in the northern Weddell Sea and in the Bransfield Strait to assess avoidance ... of the research vessel by Antarctic krill Euphausia superba. The AUV was equipped with the same type ... of scientific echosounder as the research vessel (Simrad EK500 operating at 38 kHz and 120 kHz) and ... measured the density of krill along transect acoustically (g m-2 wet mass) prior to the ship’s arrival. We ...

   Meeting Document : WG-EMM-01/14 : Автор(ы): A.S. Brierley, P.G. Fernandes, M.A. Brandon, E. Armstrong, D.G. Bone and the Autosub Team (United Kingdom)

8. CHINSTRAP PENGUINS: MISUNDERSTOOD AND VULNERABLE MONITORS OF ECOSYSTEM CHANGES IN THE SCOTIA SEA REGION OF ANTARCTICA

   area directly. A paradigm guiding recent research in the Western Antarctic Peninsula (WAP) region of ... the SS, the “sea-ice hypothesis”, suggests that declines in the seasonal extent and duration of sea ... , 30 years of field studies in the WAP, coupled with more regional surveys throughout the Scotia Sea ... increases and decreases in penguin abundance as a result of changes in abundance of Antarctic krill ...

   Meeting Document : WG-EMM-09/17 : Автор(ы): W.Z. Trivelpice, J.T. Hinke, A.K. Miller, C. Reiss, S.G. Trivelpiece and G.M. Watters (USA)

9. Impacts of cetaceans on the structure of Southern Ocean food webs

   structure and dynamics of the Southern Ocean food web. These should be considered in addition to several ... -predator removal are not a novel concept. While we acknowledge the correlative nature of our examples, we ... lend themselves to this technology. While much of what we relate cannot be easily resolved using remote ... of a broader scientific basis for management of Antarctic marine resources, which are increasingly ...

   Meeting Document : WG-EMM-09/P04 : Автор(ы): D. Ainley, G. Ballard, L.K. Blight, S. Ackley, S.D. Emslie, A. Lescroël, S. Olmastroni, S.E. Townsend, C.T. Tynan, P. Wilson and E. Woehler

10. CONSERVING ANTARCTICA FROM THE BOTTOM UP: IMPLEMENTATION OF UN GENERAL ASSEMBLY RESOLUTION 61/105 BY THE COMMISSION FOR THE CONSERVATION OF THE ANTARCTIC MARINE LIVING RESOURCES (CCAMLR)

    impacts on vulnerable marine ecosystems (VMEs). In response to this CCAMLR has implemented a series of ... measures that limit the spatial extent, and require an assessment of potential impacts on VMEs, for those ... during fishing operations and the resulting course of action to be taken by a vessel. In the first year ... of implementation 7 areas have been closed to fishing as a result of encounters with VMEs Author(s ...

    Meeting Document : WG-FSA-09/45 : Автор(ы): Secretariat

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