Search results
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A preliminary examination of the length–weight relationship in Dissostichus eleginoides and D. mawsoni using data from the CCAMLR Scheme of Scientific Observation
Abstract: An investigation into use the length-weight relationship of Dissostichus eleginoides ... and D. mawsoni to separate the two species was undertaken using data from the CCAMLR Scheme of ... Scientific Observation. Although the ability to discriminate the two species using length and weight ... measurement was inconclusive the process provided an opportunity to examine the variation in biometrics of ...
Meeting Document : WG-FSA-11/21 : Author(s): Secretariat
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Analysis of the Chilean operation in the Antarctic krill fishery, years 2017/18
Abstract: This paper provides a summarized description and analysis of the activities carried out ... by the Chilean krill fishing ship Antarctic Endeavour throughout its first year of operation (2017 ... the production of krill meal. Effort, catch and CPUE, and the length frequency distributions of ... captured krill are recorded per trip and Subarea. Additionally, information is given on the yield obtained ...
Meeting Document : WG-EMM-2019/09 : Author(s): P.M. Arana and R. Rolleri
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Fine-scale genetic investigation into Patagonian toothfish structure within the west Indian Ocean sector of the Southern Ocean
Abstract: Molecular markers were employed to investigate the fine-scale stock structure of ... Patagonian toothfish in the west Indian Ocean sector of the Southern Ocean. Four collections of toothfish ... from the Kerguelen (n=1), Crozet (n=1) and Prince Edward and Marion (n=2) Islands were typed ... moderate; ranging from 0.331 to 0.343. Allelic variation at the seven microsatellite loci was widespread ...
Meeting Document : WG-FSA-03/66 : Author(s): S.A. Appleyard, R. Williams and R.D. Ward (Australia)
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EVALUATION OF VME TAXA MONITORING BY OBSERVERS FROM FIVE VESSELS IN THE ROSS SEA REGION ANTARCTIC TOOTHFISH LONGLINE FISHERIES DURING THE 2008-09 SEASON
Abstract: Conservation Measure 22-07 (2008) requires vessels fishing in the Ross Sea region (and ... these samples for subsequent onshore classification by taxonomists. Comparison of the observer’s ... classification versus the taxonomist’s classification showed that for most groups, the observer classifications ... materials; stylasterids and gorgonians. Errors in other groups indicated the observers did not always record ...
Meeting Document : TASO-09/08 : Author(s): Carter, M., Parker, S.J., Mormede, S., Tracey, D.M.
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Proposal to continue the time series of CCAMLR-sponsored research surveys to monitor abundance of subadult Antarctic toothfish in the southern Ross Sea in 2015
Abstract: A research proposal to continue the southern Ross Sea subadult toothfish survey is ... presented. The survey will focus on estimating relative abundance in the core strata (A, B, C) in SSRUs 88.1 ... Bay. Survey timing and methods will remain the same as in previous years, and the number of sets will ... be retained at a total of 60 sets. A nominal catch limit of 68 tonnes, to be taken from the shelf ...
Meeting Document : WG-SAM-14/25 : Author(s): S.M. Hanchet, S.J. Parker and S. Mormede (New Zealand)
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Diagnostic plots for the assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region to 2018/19
Abstract: We provide diagnostic plots for the 2019 base case model for Antarctic toothfish in the ... Ross Sea region presented in Dunn (2019a), following the recommendations of WG-SAM-2015 (SC-CAMLR-XXXIV ... 2015 Annex 5). The stock assessment is described in Dunn (2019a) and a detailed description of the ... stock area, stock assessment methods and the stock assessment parameters are given in Dunn & Parker ...
Meeting Document : WG-FSA-2019/10 : Author(s): A. Dunn
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FEEDING AND FOOD INTERRELATIONSHIPS OF ANTARCTIC TOOTHFISH D.MAWSONI NORMAN, 1937 (PERCIFORMES, NOTOTHENIIDAE) IN NEAR-CONTINENTAL WATERS OF THE INDIAN OCEAN ANTARCTIC AREA AND ON THE BANZARE BANK
Abstract: The paper is based on materials on D.mawsoni feeding collected by authors in the four ... near-continental seas of the Indian Ocean Antarctic area (Dupont D’Urville, Mawson, Davis, and ... Cosmonaut Seas) and on the Banzare Bank during 2004-2008. The food relationships are considered. The ... qualitative and quantitative composition of diet for young and adult Antarctic toothfish is studied. The ...
Meeting Document : WG-FSA-08/34 : Author(s): A.F. Petrov and I.G. Istomin (Russia)
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A randomised sampling design used in the longline fishery for Dissostichus eleginoides in the Southern Indian Ocean
individuals taken by individual longlines in the fishery for Dissostichus eleginoides. The line was divided ... into constituent baskets of line; we used the line as the sampling frame, and baskets as the primary ... sampling units. The design allows representative samples to be taken while a line is being hauled; it ... offers the potential of little disruption to commercial activities and reductions in observer effort ...
Meeting Document : WG-FSA-96/56 : Author(s): Duhamel, G., Ashford, J.
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Revised estimates of the biological parameters for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea
Abstract: This report updates the estimates of the biological parameters for Antarctic toothfish ... (Dissostichus mawsoni) in the Ross Sea (Subareas 88.1 and SSRUs 88.2A–B). We present revised estimates of the ... observer data collected from commercial fishing operations in the Ross Sea. In addition, we review meta ... -data for plausible estimates of the steepness parameter of the stock-recruitment relationship and ...
Meeting Document : WG-FSA-SAM-06/08 : Author(s): A. Dunn, P.L. Horn and S.M. Hanchet (New Zealand)
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Report on the research for Dissostichus spp. in Subarea 48.2 by the Ukraine in 2015–2019
Abstract: The five years of survey and observations of Dissostichus spp. in statistical subarea ... 48.2 on board the Ukrainian vessel SIMEIZ. Survey was conducted in accordance with the recommendations ... of the Scientific Committee and Commission. Data on the distribution of Antarctic toothfish and by ... Antarctic toothfish is estimated using lowest over the study period CPUE rates in the 2019 season. Author(s ...
Meeting Document : WG-FSA-2019/51 : Author(s): Delegation of Ukraine