Search results
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Proposal for an extension to the mark-recapture experiment to estimate toothfish population size in the South of Subarea 48.4
Abstract: A three‐year tagging study in the South of Subarea 48.4 was initiated in the 2008/09 ... fishing season with the aims of providing the data required for assessments of the population structure ... , size, movement and growth of both Dissostichus eleginoides and Dissostichus mawsoni in the South of ... total of 794 tagged fish in the water, respectively. A total of 13 D. eleginoides and 22 D. mawsoni were ...
Meeting Document : WG-FSA-10/40 : Author(s): J. Roberts and D. Agnew (UK)
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Robust characterisation of the age structure, growth and recruitment of toothfish in the Macquarie Island and Heard Island and McDonald Islands fisheries
, collected during the 2000-2011 fishing seasons in Division 58.5.2 and outside the CCAMLR area at Macquarie ... Island were processed. The inclusion of these datasets have improved the estimates of key parameters ... , as well as allowing more precise estimates of the selectivity of the different fishing gears used in ... these fisheries. The inclusion of catch at age data is shown to substantially improve the precision of ...
Meeting Document : WG-FSA-12/P07 : Author(s): D.C. Welsford, S.G. Candy, J.J. Verdouw and J.J. Hutchins
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An assessment strategy evaluation framework for testing the application of a CASAL based management system to the HIMI fishery
Abstract: A useful way of testing assessment methodology and related decisions is through the ... framework of management strategy evaluation and the simpler form of assessment strategy evaluation. Such a ... framework uses an operating model of the system to generate data against which the assessment model, or the ... paper defines the term Assessment Strategy Evaluation (ASE) and provides a practical framework for ...
Meeting Document : WG-SAM-07/13 : Author(s): I.R. Ball and S.G. Candy (Australia)
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Unhappy feet: the reduction of Adélie and chinstrap penguin populations in the West Antarctic Peninsula/Scotia Sea
Abstract: New and alarming evidence has been published by Trivelpiece et al. recently about the ... reduction of the populations of Adélie (Pygoscelis adeliae) and chinstrap penguins (Pygoscelis antarctica ... ) in the West Antarctic Peninsula/Scotia Sea area. According to this scientific paper, Adélie and ... chinstrap penguin populations have declined more than 50% during the last 30 years at study colonies in the ...
Meeting Document : CCAMLR-XXX/BG/21 : Author(s): Submitted by ASOC
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THE USE OF PATENT DATABASES TO DETECT TRENDS IN THE KRILL FISHERY
Abstract: Trends in the krill fishery are currently informed by data on annual catches and by the ... annual notification procedure. There has been considerable discussion within the Scientific Committee ... over the utility of these sources of information to detect trends, and of the need to obtain more ... information from the krill industry. This paper uses publicly available patent databases to examine both the ...
Meeting Document : SC-CAMLR-XXVIII/BG/15 : Author(s): Delegation of Australia
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The effect of sample size on the observed length distribution of Antarctic krill
Abstract: The appropriate sample size for krill length measurement was raised during the WG-SISO ... -17 and WG-EMM-17 meetings.In this paper, the question was investigated through a case study based on ... the length data collected by scientific observers onboard the Chinese krill fishing vessel Fu Rong Hai ... during the 2015/2016 fishing season. The variation of statistical property of krill length distribution ...
Meeting Document : SC-CAMLR-XXXVI/21 : Author(s): Delegation of China
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Future work of the Working Group on Ecosystem Monitoring and Management and implications for the format of its meetings
management advice to the Scientific Committee based on anecosystem assessment. Currently, management advice ... distributed predationpressure and randomly determined recruitment. The effects of uncertainty with regard ... the information necessary to implement amore robust ecosystem approach to management. A strategic plan ... for assembling thesecomponents was developed at the first meeting of WG-EMM and considerable ...
Meeting Document : SC-CAMLR-XIX/06 : Author(s): Convener WG-EMM
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Results of the Dissostichus spp. new fisheries projects in the Antarctic region (CCAMLR Statistical Subareas 48.1, 48.2 and 88.3)
part of the New Fisheries Projects developed by Chile, mainly in order to establish presence of ... Dissostichus spp. in the CCAMLR Statistical Subareas 48.1, 48.2 and 88.3. Industrial longlines Spanish system ... were used for the operations, with variable quantities of fishhooks (1 440-4 320), No. 9 Mustard Kirby ... ) were used as bait. The results of this research indicated that the Antarctic toothfish (D. mawsoni) was ...
Meeting Document : SC-CAMLR-XVII/BG/07 Rev. 1 : Author(s): Delegation of Chile
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Climate change and zooplankton dominance in the Antarctic marine ecosystem: implications for the food web
Abstract: There is a growing body of evidence that the climate of the Antarctic Peninsula region ... has been warming over the past 40 years with an associated decreased frequency of winters with ... extensive sea-ice development. These trends potentially will have a major impact on the structure and ... function of the Antarctic marine ecosystem. In the Antarctic Peninsula region winter sea-ice coverage is a ...
Meeting Document : WG-EMM-96/21 : Author(s): Siegel, V., Fraser, W., Trivelpiece, S., Holm-Hansen, O., Loeb, V., Hewitt, R., Trivelpiece, W.
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Results of research into distribution and status of stocks of target species in the Convention Area – Atlantic, Indian and Pacific Ocean sectors of the Antarctic
Abstract: The USSR has carried out coordinated fisheries research in Antarctic since 1961. The ... results of more than 130 research cruises are summarised according to the three major sectors: the ... Atlantic Sector, the Indian Sector and the Pacific Sector. For each particular sector the review contains ... , • particulars of bioproductivity cycle. The Atlantic Sector has be en studied more thoroughly. The biology and ...
Meeting Document : SC-CAMLR-III/INF. 10 : Author(s): USSR Delegation