Résultats de la recherche
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The ecosystem approach to managing fisheries: achieving conservation objectives for predators of fished species
approach for maintaining ecological relationships and providing for the recovery of depleted populations in ... ecosystem, (ii) what should be the conservation objectives for predators of fished species, and (iii) what ... account of uncertainties in knowledge of the structure of ecosystems. Estimates of production arising ... for management purposes because they integrate across a range of “ecosystem” effects and, as ...
Meeting Document : WG-EMM-12/P04 : Auteur(s): A.J. Constable
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An overview of tagging skates (Rajiformes) and CCAMLR skate tagging data
Abstract: Tagging studies of skates and rays worldwide provide valuable information to help ... better understand a wide range of metrics including movements and migrations, stock units, growth rates ... potentially valuable data source to better understand this group of fish. Despite tagging programmes being ... CCAMLR Working Groups. This report provides an overview of global tagging studies on skates, a review of ...
Meeting Document : WG-SAM-13/25 Rev. 1 : Auteur(s): S.R. McCully, D. Goldsmith, G. Burt, R. Scott and J.R. Ellis (United Kingdom)
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ICED workshop and conference session on Southern Ocean foodwebs and scenarios of change
ecosystems in order to help inform management of Southern Ocean fisheries. ICED will convene a workshop and ... conference session in the near future in order to address these issues. The theme of the November 2013 ... workshop is “Southern Ocean food webs and scenarios of change”, and that of the June 2014 conference ... session is “Detecting, projecting and managing the impacts of change in Southern Ocean ecosystems”. We ...
Meeting Document : WG-EMM-13/13 : Auteur(s): R.D. Cavanagh on behalf of the international ICED Scientific Steering Committee
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An overview of tagging skates (Rajiformes) and CCAMLR skate tagging data
Abstract: Tagging studies of skates and rays worldwide provide valuable information to help ... better understand a wide range of metrics including movements and migrations, stock units, growth rates ... potentially valuable data source to better understand this group of fish. Despite tagging programmes being ... CCAMLR Working Groups. This report provides an overview of global tagging studies on skates, a review of ...
Meeting Document : WG-FSA-13/33 : Auteur(s): S.R. McCully, D. Goldsmith, G. Burt, R. Scott and J.R. Ellis (United Kingdom)
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Review of cetacean depredation in CCAMLR statistical subareas
Abstract: Depredation, the removal of fish from longlines by large marine predators, has been ... observed throughout the CCAMLR management area. Loss of fish through depredation can cause financial loss ... assessments through the underestimation of total mortality resulting from fishing and depredation combined. In ... other subareas the problem is known but not currently addressed. The areas in which the establishment of ...
Meeting Document : WG-SAM-15/27 : Auteur(s): M. Soeffker (United Kingdom) and P. Tixier (France)
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Results of the longline survey for toothfish in the northern Ross Sea region (SSRU 88.2A) by the FV Argos Froyanes, United Kingdom
fishable areas of SSRUs 88.2 A–B north of 66° S latitude. During the 6 th- 10 th February 2015, the UK ... fish and collect information on the characteristics of the toothfish inhabiting the region. The vessel ... of 49 tonnes of D mawsoni and small catch of 29 kg of two D eleginoides was taken; 150 tagged fish ... were released at 3.1 fish tagged per tonne and a tag overlap statistic of 85%. Author(s): M. Soeffker ...
Meeting Document : WG-SAM-15/31 : Auteur(s): M. Soeffker, J. Clark, J.M.G. Rebollo and C. Darby (United Kingdom)
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Modelling the circumpolar distribution of Antarctic toothfish (Dissostichus mawsoni) habitat suitability using correlative species distribution modelling methods
to CCAMLR’s management of this species. In this paper the use of Maxent models with fishery catch ... Abstract: Understanding and predicting the distribution of Antarctic toothfish (Dissostichus ... data and environmental data to provide a circumpolar prediction of Antarctic toothfish habitat ... suitability is explored. Maxent is highly sensitive to biased sampling effort and the selection of background ...
Meeting Document : WG-FSA-15/64 : Auteur(s): CCAMLR Secretariat
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Proposal to modify Conservation Measure 24-02 regarding the use of a streamer line
Abstract: The activities of the CCAMLR to minimize incidental mortality of seabirds in the course ... of longline fishing or longline fishing research in the Convention Area are carried out by means of ... : a) use a streamer line and b) control of the longline weighting rate. Currently, according to CM 24 ... paragraph 2,3 and 4). Thus, the use of a streamer line becomes meaningless for any vessels using longline ...
Meeting Document : SC-CAMLR-XXXVI/BG/23 : Auteur(s): Delegation of the Russian Federation
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Estimating nest-level phenology and reproductive success of colonial seabirds using time-lapse cameras
) implements the methods of the paper and provides summary outputs for direct input to CEMP A6b and A9 eforms ... . The abstract of the paper follows: Summary 1. Collecting spatially extensive data on phenology and ... Abstract: We wish to draw the attention of Members to an online application of the R code ... . 2. We describe a method to estimate nest-level breeding phenology and reproductive success of ...
Meeting Document : WG-EMM-18/P01 : Auteur(s): J.T. Hinke, A. Barbosa, L.M. Emmerson, T. Hart, M.A Juáres, M. Korczak-Abshire, G. Milinevsky, M. Santos, P.N. Trathan, G.M. Watters and C. Southwell
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Stock status and population assessment of the Antarctic starry skate (Amblyraja georgiana) in Subarea 48.3
Deficient” by IUCN (Endicott & Kyne 2009) and is one of the main by-catch species in the longline ... . Using ten years of tag-recapture data collected around South Georgia, a comprehensive analysis of data ... Georgia and Shag Rocks was undertaken. The outcomes of this study narrowed some of the existing knowledge ... Antarctic starry skates, and provide a preliminary stock assessment, showing that the current level of by ...
Meeting Document : WG-FSA-18/27 : Auteur(s): M. Söffker, N.D. Walker, M. Belchier and J. Ellis