Résultats de la recherche

1. A preliminary assessment and revised growth model of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2017 random stratified trawl survey

   vicinity of Heard Island and the McDonald Islands during April 2017. This paper provides an updated growth ... , abundance and yield in Division 58.5.2 to the west of 79 o 20’ E using standard CCAMLR methods (CMIX and ... growth model based on recent cohort progressions indicated an increase in size-at-age compared to the ... estimates of Welsford (2010), however Generalized Yield Model projections indicated that the updated growth ...

   Meeting Document : WG-FSA-17/22 : Auteur(s): D. Maschette, P. Burch, P. Yates and D. Welsford

2. Aggregation patterns of pelagic predators and their principal prey, Antarctic krill, near South Georgia

   Abstract:  1. We examine the spatial distributions of pelagic seabirds and. fur seals near South ... Georgia, and asked to what extent the distributions of these predators were influenced by the spatial ... distribution of their principal prey, Antarctic krill Euphausia superba Dana. One novel aspect of our analysis ... is an explicit consideration of the separation in space between swarms of krill and aggregations of ...

   Meeting Document : WG-CEMP-93/13 : Auteur(s): R.R. Veit (USA), E.D. Silverman (USA) and I. Everson (United Kingdom)

3. A review of by-catch in CCAMLR exploratory toothfish fisheries

   was at times double that of toothfish. Gear type comparisons indicate that autolines catch a greater ... Abstract:  Mitigating the adverse affects of commercial fishing on the environment is an integral ... responsibility of fisheries globally.  Efforts to reduce bycatch, to exploit previously unfavourable species and ... Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) is widely recognized for its ...

   Meeting Document : WG-FSA-14/16 : Auteur(s): E. McClure, K. Reid (Secretariat)

4. A study of Patagonian toothfish (Dissostichus eleginoides) post tagging survivorship in Subarea 48.3

   , and then were kept in tanks with varying degrees of seawater replacement for at least 12 hours after ... Abstract:  During the 2005 fishing season experiments on the survivorship of post-tag toothfish ... tagging. On one vessel fish with a variety of injuries were selected to see if this affected recovery. 395 ... animals were included in the final analysis, with an overall survivorship of 89%. There were significant ...

   Meeting Document : WG-FSA-05/19 : Auteur(s): D. J. Agnew, J. Moir Clark, P.A. McCarthy, M. Unwin, M. Ward, L. Jones (United Kingdom), G. Breedt, S. Du Plessis, J. Van Heerdon (South Africa) and G. Moreno (Spain)

5. SPATIAL PROTECTION AND MANAGEMENT OF ANTARCTIC MARINE BIODIVERSITY

   Abstract:  This paper is based on a presentation given at the Joint CEP/SC-CAMLR Workshop (3-4 ... April 2009). It provides information on the different objectives and types of marine spatial protection ... be made on establishing effective systems of marine spatial protection. It is concluded that ... establishment of effective, representative and coherent spatial protection of marine biodiversity, using the ...

   Meeting Document : WG-EMM-09/09 : Auteur(s): S. Grant (United Kingdom)

6. Short note: Time series of Drake Passage Oscillation Index (DPOI) during 1952-2008 and its possible influence on environmental variability

   , between Rio Gallegos, Argentina, and Base Esperanza, at the tip of the Antarctic Peninsula during 1982 ... Abstract:  An assessment of the environmental processes influencing variability in the recruitment ... and density of Antarctic krill (Euphausia superba DANA) is important as variability in krill stocks ... krill recruitment and density in the Antarctic Peninsula area with an environmental factor; strength of ...

   Meeting Document : WG-EMM-08/33 : Auteur(s): M. Naganobu, J. Kondo and K. Kutsuwada (Japan)

7. Population status of Ross Sea killer whales (Orcinus orca, Type C) in McMurdo Sound, Antarctica, based on photo-identification studies

   175 there annually. Despite high turnover of different whales between years, we used a Bayesian mark ... -recapture approach to identify a seasonal ‘resident’ population with an average annual abundance of 55 ... individuals resighted over 2-14 years. Contrary to recent reports that commercial overfishing of Antarctic ... , our analysis suggests that at least the resident killer whale population in McMurdo Sound is stable ...

   Meeting Document : WG-EMM-16/50 : Auteur(s): R. Pitman, H. Fearnbach and J.W. Durban

8. Revision of Conservation Measure 91-01 (2000), Annex 91-01/A ‘Information to be included in Management Plans for CEMP sites’

   Abstract:  At the 2003 meeting of the Commission, the Terms of Reference (TOR) for the Advisory ... was directed to the intersessional work of the Subgroup, was TOR (ii) “to revise and keep under review ... , as appropriate, guidelines for the production of maps of protected areas relevant to CCAMLR”. The ... following revision of Conservation measure 91- 01, Annex 91-01/A (2000) addresses the topic of maps. Changes ...

   Meeting Document : WG-EMM-04/19 : Auteur(s): Chair, Subgroup on Protected Areas

9. Preliminary results of the experiments on the krill transport study in the South Orkney area (April 1992)

   area. The krill biomass was estimated within the square at the start and the end of works. It amounted ... within the square of 30 x 30 miles northwestwards of Coronation Island in the fishing fleet operation ... assessment of krill density and oceanological stations were carried out along the square perimeter. Four ... dublicates of perimeter were made. Control hauls with midwater trawl were made on the regular basis. The ...

   Meeting Document : WG-CEMP-92/34 : Auteur(s): L.G. Maklygin, V.N. Shnar, A.P. Malyshko (Russian Federation) and A.G. Shepelev (Ukraine)

10. High-resolution ocean modelling of the South Georgia and South Orkney Islands regions

    South Orkney Islands is highly productive, with a history of commercial exploitation. Many of the key ... oceanographic and ecological processes that determine the structure and functioning of this ecosystem operate ... over small scales of <10 km. Historically, these fine spatial scales have been poorly represented in ... numerical models. Here we describe the development of two regional ocean models that will be used to examine ...

    Meeting Document : WG-EMM-16/15 : Auteur(s): E. Young, E. Murphy and P. Trathan

Pages