Résultats de la recherche
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Approaches to monitoring and assessing toothfish in new and exploratory fisheries, with particular reference to Subarea 88.1
would be imprudent to rely solely on any one of these methods at the present time. We recommend that tag ... monitor toothfish – and perhaps as importantly – the wider ecosystem effects of the toothfish fisheries ... . We further recommend that simulation studies be carried out to determine the best way to use the ... effort manipulation approach in all New and Exploratory fisheries, and in particular the current active ...
Meeting Document : WG-FSA-SAM-04/08 : Auteur(s): ODriscoll, R.L., Hanchet, S.M.
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No boundaries for whales interacting with fishing activities targeting Patagonian toothfish (Dissostichus eleginoides)
Patagonian toothfish (Dissostichus eleginoides) have been documented as a severe issue in the Crozet EEZ ... since the late 90’s. Estimating depredation rates allows to correct catches and therefore to model the ... photographs from the French vessels fishing in the Crozet EEZ as well as on Del Cano rise in the Southern ... . Over the 2009 – 2019 period, and depredation rates were estimated to be around 8% in the Del Cano ...
Meeting Document : WG-FSA-2019/54 : Auteur(s): N. Gasco, P. Tixier, F. Massiot-Granier, C. Péron and R. Sarralde
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Proposal for trials to test modified longline gear as a means to reduce cetacean depredation and mitigate incidental bird catch
Abstract: The UK undertook preliminary trials of the previously described “cone” or “bottle ... conjunction with the observer’s report of that cruise (Basson 2006). Initial results were promising, and the ... UK intends to proceed with further, more extensive trials, in the 2007/08 fishing season in Subarea ... 48.3. Although seabird interactions are expected to be minimal, the trials will stop if 3 seabirds are ...
Meeting Document : WG-FSA-07/31 : Auteur(s): Delegation of the United Kingdom
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Oil, paint, marine debris and fishing gear associated with seabirds at Bird Island, South Georgia, 1997/98
Abstract: This report describes and quantifies the occurrence of oil, paint, marine debris and ... fishing gear associated with seabirds at South Georgia. In this, the fifth year of standardised recording ... , a marked increase in the quantity of plastic debris associated with seabirds was evident; quantities ... of fishing gear remained within the levels of previous years for all species (although the number of ...
Meeting Document : SC-CAMLR-XVII/BG/10 : Auteur(s): Delegation of the United Kingdom
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Krill length and age at maturity
Abstract: Data from several summer surveys to the Antarctic Peninsula region were analysed to ... calculate length and age at maturity for the Antarctic krill Euphausia superba. L50 values of 34.62 to 35.90 ... mm for female krill are the best estimates for the high spawning season. Males attain sexual maturity ... identical for krill. Comparisons with length at age data show that females mature in the third year of the ...
Meeting Document : WG-KRILL-93/40 : Auteur(s): V. Siegel (Germany) and V. Loeb (USA)
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Automated data processing using Echoview
reappraisal of many of the current methods for data processing and analysis. For some acoustic data sets ... manual processing is no longer an option; the large size of the data set is preventing analysis. This ... using Echoview, EK60 data and the Echoview R package available in the statistical language R. Whilst ... the scripting of Echoview through EchoviewR has been successful, there are several challenges ...
Meeting Document : SG-ASAM-15/01 : Auteur(s): M.J. Cox (Australia), G. Skaret (Norway), L.-M.K. Harrison and R. Harcourt (Australia)
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Australia’s observations and actions on IUU activities in 2015/16
Abstract: The 2015-16 season has seen further significant progress in the fight to combat Illegal ... , Unreported and Unregulated (IUU) fishing in the Southern Ocean. This paper outlines the action Australia has ... taken as part of its compliance program, and in cooperation with South East Asian countries through the ... ), with other CCAMLR members, and with other countries more broadly. The paper notes that international ...
Meeting Document : CCAMLR-XXXV/BG/20 : Auteur(s): Delegation of Australia
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Projet de mesure de conservation pour une aire marine protégée dans l'Antarctique de l'Est
been under consideration by the Commission since 2012. This paper presents a revised conservation ... measure articulating changes, including feedback provided by members, which continue to improve the ... proposal. The paper provides greater clarity on the proposal by explaining how existing conservation ... measures create zones within the proposed EAMPA where different activities can occur, and includes ...
Meeting Document : CCAMLR-XXXVI/17 : Auteur(s): Delegations of Australia, the European Union and its Member States
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Supervised and unsupervised (RapidKrill) estimates of krill density from DY098
Abstract: We compare supervised, using the interactive software Echoview™, and unsupervised ... , using python, processing of acoustic data collected during the UK cruise DY098. The same ... data processing procedures are applied in both methods, and we show that the unsupervised method comes ... up with a similar estimate of krill NASC and krill density as the supervised method. An ...
Meeting Document : SG-ASAM-2019/09 : Auteur(s): A. Ariza, S. Fielding and R. Blackwell
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Rapport de l'atelier sur la gestion de la pêcherie de krill des sous-zones 48.1 et 48.2
Abstract: We briefly report on a workshop held from 10-14 June, 2019 at the Pôle Nautique and ... Museum of Natural History in Concarneau, France (immediately prior to the annual meetings of WG-SAM and ... WG-EMM). The Workshop was attended by representatives from ARK, ASOC, Pew, and WWF plus scientists ... from Argentina, Australia, Chile, France, Germany, Korea, Norway, Ukraine, the UK, and the USA. Funding ...
Meeting Document : SC-CAMLR-38/16 : Auteur(s): G. Watters and P. Trathan