Résultats de la recherche
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Population dynamics of the wandering albatross (Diomedea exulans) on Macquarie Island and the effects of mortality from longline fishing
Abstract: The estimated breeding population of wandering albatrosses on Macquarie Island ... . Mark-recapture analysis shows that the population is not closed (i.e., subject to immigration and ... emigration). The decline is correlated with the onset of large-scale fishing for tuna in the southern ... hemisphere using longlines. The effect of longline mortality on the population dynamics of the wandering ...
Meeting Document : WG-IMALF-94/07 : Auteur(s): William K. de la Mare and Knowles R. Kerry (Australia)
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Some aspects of the relation between Antarctic krill abundance and CPUE measures in the Japanese krill fishery. (Component of SC-CAMLR-VI/BG/4)
Abstract: The history of the Japanese krill fishery is reviewed briefly. Important aspects of the ... fishing operation are the constraints imposed by processing rate limitations on the vessels, and product ... quality considerations- in particular the increasing tendency to avoid catching "green” krill. These ... . During the high season, Catch-per-Towing-Time seems likely to index only within-swarm density. Search ...
Meeting Document : WS-KCPUE-89/03 : Auteur(s): D.S. Butterworth (South Africa)
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Preliminary assessment of the potential for the proposed bottom fishing activities to have significant adverse impact on vulnerable marine ecosystems
Abstract: The Secretariat has received a notification from the UK for exploratory fisheries for ... the potential for the proposed bottom fishing activities to have significant adverse impact on ... letter, the UK advised that the notification was intentionally submitted before the 25 July deadline so ... that the data enclosed will be available for discussion by WG-EMM in their consideration of VME impacts ...
Meeting Document : WG-EMM-10/33 : Auteur(s): United Kingdom
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The recent decline in recruitment of Gobionotothen gibberifrons in the South Shetland Islands (CCAMLR Subarea 48.1)
Abstract: Commercial exploitation of fish stocks around Elephant Island and the lower South ... Shetland Islands ceased after the 1989/90 season. One of the larger and most abundant species in the area ... Georgia. Six surveys were conducted by the US and Germany from 1998 to 2012 to investigate if and to what ... perturbations on a fish stock by recruitment failure as one of them. Data from the 1980’s and 1990’s (1983, 1985 ...
Meeting Document : WG-FSA-12/20 : Auteur(s): K.-H. Kock (Germany) and C.D. Jones (USA)
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Robust characterisation of the age structure, growth and recruitment of toothfish in the Macquarie Island and Heard Island and McDonald Islands fisheries
, collected during the 2000-2011 fishing seasons in Division 58.5.2 and outside the CCAMLR area at Macquarie ... Island were processed. The inclusion of these datasets have improved the estimates of key parameters ... , as well as allowing more precise estimates of the selectivity of the different fishing gears used in ... these fisheries. The inclusion of catch at age data is shown to substantially improve the precision of ...
Meeting Document : WG-FSA-12/P07 : Auteur(s): D.C. Welsford, S.G. Candy, J.J. Verdouw and J.J. Hutchins
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Tracking Antarctica, A New WWF report on the state of Antarctica and the Southern Ocean
identify the pressures and threats to the planet’s largest wilderness. WWF’s new biennial report- Tracking ... Antarctica- provides a scientific update on the state of Antarctica and the Southern Ocean. It identifies ... ways to respond to the challenges based on the latest scientific evidence to ensure the wonders of the ... Antarctic are preserved for generations to come. The report will be available publicly as a digital ...
Meeting Document : SC-CAMLR-XXXV/BG/30 : Auteur(s): Submitted by ASOC
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Progress report on the joint research for Dissostichus spp. in Subarea 88.3 by the Republic of Korea and New Zealand and notification of research in 2018/19
Abstract: The scientific survey was conducted by the Greenstar (KOR) in the research block 883_3 ... –883_5. Due to extreme ice conditions covering the southern part of 88.3, the Janas (NZL) was not able to ... conduct its part of the survey. The total catch of D. mawsoni was 38,856 kg comprised of 1,380 individuals ... . The CPUE for Dissostichus mawsoni indicated regional differences among the research blocks. While CPUE ...
Meeting Document : WG-SAM-18/05 : Auteur(s): Delegations of the Republic of Korea and New Zealand
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The Secretariat review of the Strategic Plan, associated activities and outcomes
Abstract: At CCAMLR-XXIX, the Commission recommended that a staffing and salary strategy be ... included in the review of the Secretariat’s Strategic Plan and that SCAF consider the outcomes of that ... at last year’s meetings of WG-SAM and WG-FSA the Commission adopted a recommendation from the ... Scientific Committee (SC-CAMLR-XXIX, paragraph 14.2) that a review of the Secretariat’s data management ...
Meeting Document : WG-EMM-11/09 : Auteur(s): Secretariat
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An assessment strategy evaluation framework for testing the application of a CASAL based management system to the HIMI fishery
Abstract: A useful way of testing assessment methodology and related decisions is through the ... framework of management strategy evaluation and the simpler form of assessment strategy evaluation. Such a ... framework uses an operating model of the system to generate data against which the assessment model, or the ... paper defines the term Assessment Strategy Evaluation (ASE) and provides a practical framework for ...
Meeting Document : WG-SAM-07/13 : Auteur(s): I.R. Ball and S.G. Candy (Australia)
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Conserving pattern and process in the Southern Ocean: designing a marine protected area for the Prince Edward Islands
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 ... eleginoides); and (4) reduce the bird bycatch of the toothfish fishery, particularly of albatrosses and ...
Meeting Document : CCAMLR-XXV/BG/16 : Auteur(s): Delegation of South Africa