Résultats de la recherche

1. Spatio–temporal dynamics in maturation and spawning of Patagonian toothfish Dissostichus eleginoides on the subantarctic Kerguelen Plateau

   eleginoides in the Heard Island and McDonald Islands (HIMI) fishery on the Kerguelen Plateau in the Indian ... Sector of the Southern Ocean based on gonads and otoliths collected between years 2004–2015, and using ... throughout the late autumn and winter months of May–August, and spawning activity is concentrated on slopes ... along the west and south of the plateau around HIMI at depths of 1500–1900m. Comparison between ...

   Meeting Document : WG-FSA-17/P04 : Auteur(s): P. Yates, P. Ziegler, D. Welsford, J. McIvor, B. Farmer and E.Woodcock

2. Spatio-temporal variability in the winter diet of larval and juvenile Antarctic krill, Euphausia superba, in ice-covered waters

   Abstract:  Antarctic krill Euphausia superba is an ecological key species in the Southern Ocean ... and a major fisheries resource. The winter survival of age class 0 (AC0) krill is susceptible to ... changes in the sea-ice environment due to their association with sea ice and their need to feed during ... limited. We studied the spatio-temporal variability of the diet in 4 cohorts of AC0 krill in the Northern ...

   Meeting Document : WG-EMM-18/P18 : Auteur(s): F.L. Schaafsma, D. Kohlbach, C. David, B.A. Lange, M. Graeve, H. Flores and J.A. van Franeker

3. Marine Ecosystem Assessment for the Southern Ocean (MEASO)

   Abstract:  A first Marine Ecosystem Assessment for the Southern Ocean (MEASO) is under development ... happening now and into the future, and what may need to be planned for, in terms of research and management ... . The aim is to have a quantitative assessment that enables managers to achieve consensus in adapting ... held in Hobart in early April 2018 (http://www.measo2018.aq/). The conference provided an opportunity ...

   Meeting Document : SC-CAMLR-XXXVII/BG/22 : Auteur(s): A. Constable, J. Melbourne-Thomas, R. Trebilco and M. Brasier

4. A new fishing gear in the Chilean Patagonian toothfish fishery to minimise interactions with toothed whales with associated benefits to seabird conservation

   Abstract:  We describe a new fishing technique, called the Chilean system, adapted from an artisan ... fishery for Patagonian Toothfish. The artisan system was modified to include a net sleeve that is placed ... whales. In addition to this, each 15 m-long vertical line carry a weight at the end, this sinks baited ... hooks at up to 0.80 m/sec. This fast sink rate causes the line to sink immediately behind the vessel ...

   Meeting Document : WG-FSA-07/14 : Auteur(s): C.A. Moreno, R. Castro, L.J. Mujica and P. Reyes (Chile)

5. A compilation of parameters for a krill–fishery–predator model of the Scotia Sea and Antarctic Peninsula

   Abstract:  We describe the compilation and derivation of parameters for use in krill-fishery ... -predator models of the Scotia Sea – Antarctic Peninsula region. The primary aim is to provide input for the ... model developed by Watters et al. (2006), which we use to define the required parameters. However, these ... parameters should be applicable to other models of the system. Our methods include the use of weighted ...

   Meeting Document : WG-EMM-06/30 Rev. 1 : Auteur(s): S. Hill, K. Reid, S. Thorpe (United Kingdom), J. Hinke and G. Watters (USA)

6. Comparison of census methods for black-browed albatrosses breeding at the Ildefonso Archipelago, Chile

   the Ildefonso Archipelago, Chile, for > 90 years the population has never been censused using ... scientifically defendable methods. To estimate population size, and examine the accuracy and practicality of ... various census methods, the population was censused in the 2002/03 breeding season using a) ground-truthed ... -distance sampling. Compared to ground-truthed aerial photography (judged the most accurate) yacht-based ...

   Meeting Document : WG-FSA-06/12 : Auteur(s): G. Robertson, K. Lawton (Australia), C.A. Moreno (Chile), R. Kirkwood (Australia) and J. Valencia (Chile)

7. Preliminary assessment of long-term yield of Patagonian toothfish (Dissostichus eleginoides) for the Heard Island region (CCAMLR Division 58.5.2) based on a random stratified trawl survey in June 2005

   58.5.2 in the vicinity of Heard Island in June 2005 to provide the information for an assessment of short ... -term annual yield in the 2005/2006 CCAMLR season. This paper provides a preliminary assessment of yield ... for the area of Division 58.5.2 to the west of 79°20’ E using standard CCAMLR methods. It also ... considers the sensitivity of the assessment to (i) further consideration of the survey series and the ...

   Meeting Document : WG-FSA-05/30 : Auteur(s): A.J. Constable, T. Lamb and R. Williams (Australia)

8. Notification of research-in-progress in an Australian tuna fishery of relevance to the conservation of Convention Area seabirds

   Abstract:  This purpose of this document is to inform CCAMLR of work-in-progress in the Australian ... eastern tuna and billfish fishery (ETBF) of potential relevance to the conservation of Convention area ... seabirds. The research plan includes (a) a line weighting experiment on a chartered tuna vessel to ... determine the effect of line weighting regimes and bait type on the sink rate of longlines. This experiment ...

   Meeting Document : WG-FSA-05/13 : Auteur(s): G. Robertson, B. Wienecke, K. Lawton and B. Baker (Australia)

9. Assessment of stone crab (Lithodidae) density on the South Georgia slope using baited video cameras

   of 719-1518 m around the sub-Antarctic island of South Georgia. Four species of lithodid (Anomura ... to the baits of which Paralomis formosa was the most abundant. Using arrival rate at baits ... , predictions of odour plume size and observations of walking speed the abundance of the stone crab Paralomis ... observed in the 4.9 m2 field of view exceeding 50 within 200 minutes on three occasions. Current speed was ...

   Meeting Document : WG-FSA-03/77 : Auteur(s): M.A. Collins, C. Yau, F. Guillfoyle, P. Bagley, I. Everson, I.G. Priede and D. Agnew (United Kingdom)

10. Assessment of stone crab (Lithodidae) density on the South Georgia slope using baited video cameras

    of 719-1518 m around the sub-Antarctic island of South Georgia. Four species of lithodid (Anomura ... to the baits of which Paralomis formosa was the most abundant. Using arrival rate at baits ... , predictions of odour plume size and observations of walking speed the abundance of the stone crab Paralomis ... observed in the 4.9 m2 field of view exceeding 50 within 200 minutes on three occasions. Current speed was ...

    Meeting Document : WG-FSA-03/77 Text : Auteur(s): M.A. Collins, C. Yau, F. Guillfoyle, P. Bagley, I. Everson, I.G. Priede and D. Agnew (United Kingdom)

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