Résultats de la recherche
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TEMPORAL CLARIFICATION OF THE TRANSITION FROM BLUE PHASE FINGERLING TO EARLY JUVENILE BROWN PHASE IN NOTOTHENIA ROSSII FROM THE SOUTH SHETLAND ISLANDS
ring deposited after the first winter during the second year, attributable to a shift of habitat from ... rossii caught in Potter Cove, South Shetland Islands, in summer of years 2003-2006 and 2008. The sample ... the interpretation of the rings, particularly in the central area of the scale. To clarify two issues ... of controversy in the literature: 1) we believe that the duration of the pelagic fingerling stage at ...
Meeting Document : WG-FSA-09/32 : Auteur(s): E. Barrera-Oro, E. Moreira, N. Alescio and E. Marschoff (Argentina)
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Summary of the toothfish fishery and tagging program in the Amundsen Sea region (SSRUs 882C–H) to 2018/19
Abstract: The Amundsen Sea region toothfish fishery has been operating since 2003. The biological ... characterisation of the fishery showed a truncation of the right-hand limb of the age distribution between 2004 and ... the ASR be made a priority to develop annual age-length keys and age frequencies. We further recommend ... that catch limits in the ASR be calculated following the trend analysis rules developed by WG-FSA for ...
Meeting Document : WG-FSA-2019/12 : Auteur(s): J. Devine and S. Parker
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Conserving pattern and process in the Southern Ocean: designing a Marine Protected Area for the Prince Edward Islands
conflict with the legal toothfish fishery. After collating all available distributional data on species ... Abstract: South Africa is currently proclaiming a Marine Protected Area (MPA) in the Exclusive ... Economic Zone (EEZ) of its sub-Antarctic Prince Edward Islands. The objectives of the MPA are to: 1 ... to inform future management, 3) contribute to the recovery of the Patagonian toothfish (Dissostichus ...
Meeting Document : WS-BSO-07/P1 : Auteur(s): Lombard, A.T., B. Reyers, L.Y. Schonegevel, J. Cooper, L.B. Smith-Adao, D.C. Nel, P.W. Froneman, I.J. Ansorge, M.N. Bester, C.A. Tosh, T. Strauss, T. Akkers, O. Gon, R.W. Leslie and S.L. Chown
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Approaches to monitoring and assessing the abundance of rattails (Macrourus spp.) and skates in the Ross Sea
and assessing rattails and skates, which are major bycatch species in the exploratory fishery for ... toothfish in the Ross Sea. We review standardised CPUE analysis, quantitative research longline surveys ... , and acoustic surveys. We recommend that a random bottom trawl survey would be the best approach ... towards obtaining abundance estimates for rattails and skates in the Ross Sea. The major advantage of this ...
Meeting Document : WG-FSA-05/22 : Auteur(s): R.L. O’Driscoll, S.M. Hanchet and B.A. Wood (New Zealand)
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Summary of the toothfish fishery and tagging program in the Ross Sea region (Subarea 88.1 and SSRUs 882A–B) through 2017/18
Abstract: This report summarises the toothfish fishery in the Ross Sea region (Subarea 88.1 and ... SSRUs 88.2AB) together with biological characteristics of the catch of Antarctic toothfish through the ... 2018 season. Despite 2018 being the first year of implementation of the Ross Sea region Marine ... Protected Area, most of fishing effort was carried out in the historically fished areas. There was a small ...
Meeting Document : WG-FSA-18/46 : Auteur(s): S. Mormede and S. Parker
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Possible options for the future management of the Antarctic krill fishery in Subarea 48.2
experiment should be evaluated after 5 years in order to explore initial results and to determine if the ... that might facilitate the development of new management procedures for the krill fishery in Area 48. In ... 2014, the state of ecological knowledge for Subarea 48.2 was reviewed, and it was suggested that the ... development of any new management approaches would be highly improbable based on the current level of ...
Meeting Document : WG-EMM-15/10 : Auteur(s): P.N. Trathan (United Kingdom), O.R. Godø (Norway) and S.L. Hill (United Kingdom)
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Integrating Climate and Ecosystem Dynamics in the Southern Ocean (ICED) programme: Preliminary report of the ICED–CCAMLR Projections Workshop, 5 to 7 April 2018
change during this century. The changes expected by the end of the century are likely to cause ... Abstract: Climate change will alter the structure and functioning of Southern Ocean ecosystems ... and affect the ecosystem services they provide. The impacts of climate change will require development ... population dynamics. A recent collaborative workshop between the Integrating Climate and Ecosystem Dynamics ...
Meeting Document : WG-EMM-18/09 : Auteur(s): E.J. Murphy, N.M. Johnston, S.P. Corney and K. Reid
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Precautionary management of the Antarctic krill fishery at small spatial scales in the context of regional climate variability: pros and cons of coastal buffers, closed areas and move-on rules
Abstract: In this paper, we briefly review recent environmental information for the Antarctic ... changes in the oceanic domain add to the complexity of managing the Antarctic krill fishery, particularly ... at small spatial scales. We present an example during the early Austral summer of 2015/2016, when sea ... the potential impacts upon the fishery arising from these methods. We show that designating coastal ...
Meeting Document : SC-CAMLR-XXXV/BG/14 : Auteur(s): Delegation of the United Kingdom
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Managing the Ross Sea toothfish fisheries – A response to the consultation responses (COMM CIRC 18/39)
have notified their intent to fish. After this time the Secretariat will transition to a projection ... Abstract: In 2017 the fishery in the Northern Area of the Ross Sea Area 88.1 was opened for one ... day, closed for 2 days, and then re-opened, a situation that was criticised by some Members. The ... Secretariat has taken note of the responses to the consultation released in COMM CIRC 18/21 (CCAMLR ...
Meeting Document : WG-FSA-18/07 : Auteur(s): CCAMLR Secretariat
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Precautionary spatial protection to facilitate the scientific study of habitats and communities under ice shelves in the context of recent, rapid, regional climate change
after ice shelf collapse may simply include species from areas that are immediately adjacent to the ... Abstract: Recent, rapid climate change is now well documented in the Antarctic, particularly in ... the Antarctic Peninsula region. One of the most evident signs of climate change has been ice shelf ... collapse; overall, 87% of the Peninsula’s glaciers have retreated in recent decades. Ice shelf collapse ...
Meeting Document : WG-EMM-12/34 : Auteur(s): P.N Trathan, S.M. Grant (United Kingdom), V. Siegel and K.-H. Kock (Germany)