Search results
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Finfish distribution and abundance in Subareas 48.1 and 48.2, 2016–2018. Research proposal for the second year
Abstract: According to the experience gained in the first phase of the research and observations ... made by WG-SAM-16, a new proposal is provided to determine the distribution and abundance of fish in ... of Elephant Island and north of South Orkney Islands, between 100 and 500 m of depth (Depth strata ... daily stages of operation, performed with a midwater trawl, with six random spatially distributed hauls ...
Meeting Document : WG-FSA-16/31 : Author(s): Delegation of Chile
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Estimating fishing gear selectivity for Patagonian toothfish (Dissostichus eleginoides) caught by trawlers on the Heard Island plateau region (Division 58.5.2) using trawl and longline length frequency data and forward-calculated continuation ratios
random length frequency (LF) data collected from each of trawlers and longliners for fishing seasons 2003 ... -2005 the upper arm of the gear selectivity function for trawlers is estimated using a two-stage process ... . In the first stage I estimate a parameter for each 40 mm wide length bin from the fit of a binomial ... generalised linear mixed model (GLMM) to the number of fish in the bin using a logit link function and ...
Meeting Document : WG-FSA-05/65 : Author(s): S.G. Candy (Australia)
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region to 2018/19
% B 0 (63–69% B 0). Model estimates of the pre-exploitation mature (spawning) stock biomass and ... in the number of tags recaptures in 2018 and 2019; (ii) two years of additional fishing as the ... population approaches the target of 50% B 0; and (iii) revised length-weight and growth parameters ... . Sensitivity runs showed that the results were robust to assumptions of fleets-as-areas structure, older fish ...
Meeting Document : WG-FSA-2019/08 : Author(s): A. Dunn
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Towards a closer cooperation between CCAMLR and the IWC
Abstract: At the 1997 Meetings of the Scientific Committee of CCAMLR and its CCAMLR Working Group ... on Ecosystem Monitoring and Management (WG-EMM), several areas of mutual interest between SC-CAMLR ... and the IWC were identified: Coordination of CCAMLR and IWC research activities; Analysis of ... historical and recent datasets; CCAMLR surveys as platforms of opportunity for whale sightings ...
Meeting Document : SC-CAMLR-XVII/BG/03 : Author(s): CCAMLR Observer (K.-H. Kock, Germany)
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Krill processing factors
Abstract: There is a wealth of earlier papers on the topic of krill processing dominated by the ... works of Grantham (1977) “The Utilization of Krill”, Budzinski et al (1985), “The Possibilities of ... Processing and Marketing of Products Made from Antarctic Krill”, and from works produced by J. K McElroy ... (1980-82). Within these papers are the fundamentals of product yields and the framework for determining ...
Meeting Document : WG-EMM-01/44 : Author(s): D. Rogers (USA)
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Rockhopper penguins and other marine life threatened by driftnet fisheries in the south Atlantic ocean
Abstract: The oriental driftnet fleet, which is responsible for the large scale mortality of non ... . Relatively little is known about the areas of operation and impacts of driftnetting in the South Atlantic as ... yet, but it is emerging that driftnetting is equally devastating to the fauna of the South Atlantic ... . This paper reviews the impact of the driftnet fishery on non-target species in the central South ...
Meeting Document : CCAMLR-IX/BG/05 : Author(s): Delegation of South Africa
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Collaborating to eliminate Illegal, Unreported and Unregulated fishing in the Southern Ocean
Abstract: The high-profile chase and sinking of the Thunder was just one of many important ... enforcement actions taken against vessels suspected of engaging in Illegal, Unreported, and Unregulated (IUU ... to these successes. There are a number of additional ways that CCAMLR could enhance its ability to ... development of enhanced procedures for tracking vessel movements; implementation of a modern, flexible and ...
Meeting Document : CCAMLR-XXXIV/BG/23 : Author(s): Submitted by ASOC and COLTO
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CCAMLR-IWC WORKSHOP TO REVIEW INPUT DATA FOR ANTARCTIC MARINE ECOSYSTEM MODELS: UPDATE ON PROGRESS 2008
an update on progress towards the holding of this workshop at the CCAMLR Secretariat. A revised ... budget is presented for consideration primarily to take account of the review materials being produced ... without expenditure from the budget, the re-costing of hosting the workshop by the CCAMLR Secretariat and ... the possible cost of publication. This has enabled the funding of more experts to attend the workshop ...
Meeting Document : WG-EMM-08/15 : Author(s): A. Constable and N. Gales (Co-conveners)
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Monitoring Antarctic toothfish (D. mawsoni) recruitment in the southern Ross Sea
Abstract: Knowledge of recruitment dynamics, and in particular trends in recruitment and ... recruitment variability, are key inputs for integrated assessments of fish stocks. A quantitative longline ... survey monitoring the recruitment of Antarctic toothfish (Dissotichus mawsoni) in the southern Ross Sea ... was started in 2012. The first year established the feasibility of carrying out a random stratified ...
Meeting Document : WG-FSA-17/57 : Author(s): S.M. Hanchet, S. Mormede, S. Parker, K. Large, A. Dunn and B. Sharp
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Using additional information for generalised yield model
Abstract: It has been suggested a method of GY-model adjustment to the additional data of ... observations represented as abundance indices. Catch per effort values or results of inventory surveys can ... serve as such indices. Adjustment basic concept is a selection of those GY-models from realization sets ... a certain function of which runs through the set of points defined by confidence intervals of ...
Meeting Document : WG-FSA-99/60 : Author(s): P.S. Gasiukov (Russia)