Résultats de la recherche
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CCAMLR fisheries: 2005 update
Abstract: Information on CCAMLR fisheries of relevance to the work of WG-FSA is summarised. Where ... fishery-related information can be found in WG-FSA-05/7, 05/8, 05/9 and 05/10 (summaries of observer data ... ), SC-CAMLR-XXIV/BG/1 (catches in the Convention Area) SC-CAMLR-XXIV/BG/5 (summary of notification for ... new and exploratory fisheries), SCIC-05/10 (estimates of IUU catches) and CCAMLR-XXIV/BG/13 ...
Meeting Document : WG-FSA-05/6 Rev. 1 : Auteur(s): Secretariat
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Video monitoring trial Avro Chieftain 2005 an interim report
Abstract: In May and June of 2005 there was a trial of an Archipelago Marine Research video ... monitoring system within 58.5.2. The initial results from the monitoring of the hauling are optimistic but ... confidence that the trial achieved the objectives required of monitoring the hauling but the results of ... monitoring the setting operation were unsatisfactory due to operational and technical limitations of the ...
Meeting Document : WG-FSA-05/74 : Auteur(s): B. Stanley (Australia)
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The Chinese observer training program for the krill fishery in the Convention Area
2009/10 fishing season. For proper implementation of the CCAMLR Conservation Measures, China carried ... out an observer training program under the auspices of the Bureau of Fishery, Ministry of Agriculture ... . The activities and contents of the training program are outlined. Outcomes from the observation works ... Republic of China) Title: The Chinese observer training program for the krill fishery in the Convention ...
Meeting Document : TASO-10/09 : Auteur(s): X. Zhao and L. Xu (People’s Republic of China)
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An integrated stock assessment for the Heard Island and the McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery (Division 58.5.2)
best available estimates of model parameters, the use of abundance estimates from a random stratified ... composition data to aid with the estimation of year class strength and selectivity functions of sub-fisheries ... . Compared to the 2013 assessment, this assessment takes into account the recommendations of WG-FSA-2013, SC ... catchability q which has been estimated from the ratio of survey fish abundance using the swept area method and ...
Meeting Document : WG-FSA-14/34 : Auteur(s): P. Ziegler, D. Welsford, W. de la Mare and P. Burch (Australia)
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An integrated stock assessment for the Heard Island and the McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2
end of July 2015. The updated assessment model is based on the best available estimates of model ... parameters, the use of abundance estimates from a random stratified trawl survey (RSTS), longline tag-release ... composition data to aid with the estimation of year class strength and selectivity functions of the trawl ... for management advice, this assessment takes into account the recommendations of WG-FSA-2014 and WG ...
Meeting Document : WG-FSA-15/52 : Auteur(s): P. Ziegler and D. Welsford (Australia)
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Chapter 2: Delivering CCAMLR’s Conservation Objective/General Context
be taken by the Commission to achieving its objective throughout the whole of the Convention Area as ... ) Commission (2019) The Commission has endorsed the work of the Scientific Committee to develop an integrated ... the Commission has endorsed the work of the Scientific Committee to develop an integrated krill ... fishery management strategy which explicitly accounts for spatial heterogeneity in ecosystem effects of ...
Page : Site Section: The Organisation
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Market-related measures
4.6.1 Extent to which CCAMLR has adopted measures relating to the exercise of the rights and ... duties of its Members and Contracting Parties as Market States for Antarctic marine living resources ... integrity of the CDS, the scheme should commence from the point of capture (rather than shipment or transfer ... ) and it should be integrated with catch reporting. The task of undertaking such integration and ...
Page : Site Section: The Organisation
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SO-AntEco: Contributing information and scientific advice on benthic biodiversity in the South Orkney Islands (Domain 1) region
with an international team of scientists from the Scientific Committee for Antarctic Research (SCAR ... of the cruise was to contribute towards a better understanding of selected benthic habitats around ... , 2014). The benthic assemblages of the SOISS MPA region were found to be strongly correlated with ... substrate, where hard substrates hosted a greater number of individuals, taxa and biomass with a dominance ...
Meeting Document : WG-EMM-17/37 : Auteur(s): M.J. Brasier, S.M. Grant, P.N. Trathan, L. Allcock, O.S. Ashford, H. Blagbrough, A. Brandt, B. Danis, R. Downey, M. Eléaume, P. Enderlein, C. Ghiglione, O. Hogg, K. Linse, M. Mackenzie, C. Moreau, L. Robinson, E. Rodríguez, V. Spiridonov, A. Tate, M. Taylor, C. Waller, H. Wiklund and H.J. Griffiths
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Revised proposal for the ongoing research plan on Patagonian toothfish (Dissostichus eleginoides) in Division 58.4.4b (2016/17–2020/21)
and WG-FSA-16/33 Rev. 1) for a period of 5 years. The proposal submitted here has been substantially ... part of 58.4.4b_2 (WG-FSA-18/23) and a new French vessel has joined the research plan to increase ... -19, while the main concerns regarding objective 2 (“ Provide an assessment of the status and ... productivity of Patagonian toothfish stock ”) and 5 (“ Contribute to scientific research programs on killer ...
Meeting Document : WG-SAM-2019/08 : Auteur(s): Delegations of Japan and France
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Estimating confidence intervals for fish stock abundance estimates from trawl surveys
estimates of abundance obtained from trawl surveys conducted by means of the swept area method, using ... likelihood ratios from Aitchison's delta distribution. Simulation tests of the method show that unbiased ... estimates of density and biomass can be obtained and that the estimated confidence intervals have close to ... the nominal coverage probability. Performance deteriorates in cases where few of the hauls contain ... calculating asymptotic confidence intervals for estimates of abundance obtained from trawl surveys conducted ... by means of the swept area method, using likelihood ratios from Aitchison's delta distribution ... . Simulation tests of the method show that unbiased estimates of density and biomass can be obtained and that ... deteriorates in cases where few of the hauls contain fish and the coefficient of variation (CV) is high. The ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 203–207 : Auteur(s): de la Mare, W.K