Résultats de la recherche

1. Key considerations for planning a large-scale krill survey

   needs reliable indicators of krill stock size at appropriate spatial scales. It is likely that future ... of krill biomass at the larger scale which is robust to uncertainties about krill flux. Current ... Abstract:  Article II of the Convention requires the Commission to maintain harvested populations ... FBM approaches will require regular information on krill stock size at relatively fine spatial scales ...

   Meeting Document : WG-EMM-15/27 : Auteur(s): S. Hill, J. Watkins (United Kingdom), O.R. Godø (Norway), S. Kawaguchi (Australia), D. Kinzey, C. Reiss (USA), V. Siegel (Germany), P. Trathan (United Kingdom) and G. Watters (USA)

2. Beach debris survey Signy Island, South Orkney Islands 1999/2000

   at Signy Island has been showing a declining trend since 1993/94. This is promising. The longevity of ... with, regulations prohibiting the disposal of debris at sea. Author(s):  Delegation of the United ... out at Signy Island, South Orkney Islands. Debris was cleared each month between November andMarch ... size categories. A total of 55 items weighing 10.78kg was collected. The number of items was 35% less ...

   Meeting Document : SC-CAMLR-XIX/BG/06 : Auteur(s): Delegation of the United Kingdom

3. Fish and invertebrate by-catch from Australian fisheries for D. eleginoides and C. gunnari in Division 58.5.2

   and 823 days, with most skates at liberty for approximately one year. Estimates of growth were very ... slow growing and/or that the trauma of capture results in at least one year of very slow growth. Growth ... gunnari. This paper presents available by-catch information for the three fisheries including estimates of ... total removals by fishing season and ground, and length composition of rajids and macrourids ...

   Meeting Document : WG-FSA-03/73 : Auteur(s): E.M. van Wijk and R. Williams (Australia)

4. Beach litter survey - Signy Island, South Orkney Islands 1995/96

   Signy Island. At Foca Cove, 26 items were found with a combined weight of 1.20 kg, and at Cummings Cove ... other beach surveys were carried out. This was because of logistical difficulties caused by the late ... break out of sea-ice and the redevelopment of the British Antarctic Survey (BAS) research station on ... 81 items (6.23 kg). No items were found at Starfish Cove. As in previous years, it is clear that ...

   Meeting Document : CCAMLR-XV/BG/16 : Auteur(s): Delegation of the United Kingdom

5. Progress on the integrated stock assessment by CASAL for Antarctic toothfish Dissostichus mawsoni in Subarea 48.6

   of D. mawsoni at Subarea 48.6. Our preliminary analysis is problematic as a stock assessment, but ... mawsoni at the research block 48.6_2, as a test run for integrated assessment model for stock assessment ... indicates future tasks for improvement: further sensitivity analysis of IUU, addition of ageing data and ... modeling of migration. Author(s):  K. Sawada and T. Okuda Title:  Progress on the integrated stock ...

   Meeting Document : WG-FSA-2019/21 : Auteur(s): K. Sawada and T. Okuda

6. Mean circulation and hydrography in the Ross Sea sector, Southern Ocean: representation in numerical models

   Abstract:  Three models were used to look at the Southern Ocean Ross Sea sector circulation and ... hydrography. Two were climate models of low (1°) to intermediate resolution (1/3°), and one was an operational ... and monthly variability aspects of off-shelf circulation are consistently represented, and could imply ... seasonal gyral transports increase as the Antarctic Circumpolar Current transport decreases. Model flows at ...

   Meeting Document : WG-EMM-10/P13 : Auteur(s): G.J. Rickard, M.J. Roberts, M.J.M. Williams, A. Dunn and M.H. Smith (2010)

7. Acoustic and catch data collected by the fleet – relevance for feedback management

   surface at night and at deeper water at day time, stands out in the fishing area while patterns of ... logging also during periods of commercial fishing. In this paper we give an overview of the properties of ...

   Meeting Document : WG-EMM-15/13 : Auteur(s): O.R. Godø, T. Klevjer and G. Skaret (Norway)

8. Assessment models for Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRU 88.2E for the years 2002–03 to 2010–11

   Abstract:  We provide an update of the Bayesian sex and age structured population stock assessment ... model for Antarctic toothfish (Dissostichus mawsoni) in the SSRU 88.2E, using revised catch, catch-at ... resulted in a 30% higher estimate of initial biomass than for the 2009 base case. The main reason for this ... increase was likely to be because of the increase in the proportion of selected trips in the 2011 ...

   Meeting Document : WG-FSA-11/44 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)

9. The gentoo penguin as a candidate species for the CCAMLR Ecosystem Monitoring Program

   Island, South Georgia and at the South Shetland Islands (both within Integrated Study Regions (ISR’s) of ... Abstract:  Based on dietary and other biological information collected over several years at Bird ... the CCAMLR Ecosystem Monitoring Programme (CEMP)), we suggest (and provide a full bibliography of ... in the CEMP. The extensive dependence of this species in these ISR’s on Euphausia superba, (including ...

   Meeting Document : WG-CEMP-90/14 : Auteur(s): J.P. Croxall and T.D. Williams (United Kingdom)

10. Yet further krill yield computations

    distributions for the lengths at recruitment and maturity, natural mortality and the extent of recruitment ... from those of comparative calculations in Butterworth et al. (1993), except at higher harvesting ... Abstract:  Preliminary computations are carried out for the krill yield model of Butterworth et al ... . (1993), adjusted as requested by the fifth meeting of WG-KRILL. This involves modifying the input ...

    Meeting Document : WG-Krill-94/23 : Auteur(s): R.B. Thomson and D.S. Butterworth (South Africa)

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