Search results
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Small scale krill surveys: simulations based on observed euphausiid distributions
utilising parallel transects set at right angles to the long axis of the aggregations. Calculations based on ... Abstract: An observed distribution of Meganyctiphanes norvegica aggregations is used to examine ... the effects of krill swarm orientation and shape on the success of two proposed survey designs. The ... simulation involves a number of random paths of parallel or radially arranged transects passing through three ...
Meeting Document : WG-KRILL-91/19 : Author(s): D.J. Agnew (Secretariat) and S. Nicol (Australia)
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e-sc-xxxi-a07.pdf
... of the tagging program in the exploratory fisheries in Subareas 48.6 and 58.4. It requested that further ... with a small catch limit would increase the risk of an overrun. 5.18 The Working Group requested ... by Poseydon I. 5.21 The Working Group requested advice from the Scientific Committee on how ... a research plan (CM 21-02, paragraph 6). These plans were submitted to WG-SAM which requested that the plans ... at the time of the meeting. Members’ fishing vessels operated in the fisheries targeting icefish ... conjunction with at least one support vessel. 3.14 The Working Group noted that estimates of IUU catches are ... fisheries based on similarity of data (ii) use recapture data from tagged fish at liberty for five years ... 2012/13. 279 4.26 At the time of adoption, Mr Gasco noted that the assessment subgroup had
application/pdf attached to:WG-FSA-12Meeting Report : WG-FSA-12
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Sexual ratio of Dissostichus eleginoides from longlines samples: a partial indicator of reproductive migration in Subarea 48.3
males at size of first maturity join the female population. After the first week of June, the sex ratio ... Abstract: The examination of the sexual ratio of D. eleginoides between the first week of March ... and the third week of July 1996, in the subarea 48.3 shows that the sex ratio departs from the ... turns back to a higher number of females. Because the longline remains most of the time close to the ...
Meeting Document : WG-FSA-96/44 : Author(s): Moreno, C.A., Guerra, J., Zuleta, A.
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New corrections factors for the quantification of fish represented in pellets of the blue-eyed shag Phalacrocorax atriceps
and number. Observations on behaviour showed that the daily foraging trips per bird increased in number ... . Observations on behaviour showed that the daily foraging trips per bird increased in number but diminished ...
Meeting Document : WG-EMM-95/83 : Author(s): Silva, P., Casaux, R., Favero, M., Barrera-Oro, E.
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Some notes on by-catch of fishes and salps caught by the fishery vessel Niitaka Maru in the vicinity of the South Shetland Islands (January to February 1999)
have been depended on the density of krill concentration. At least, the large incidental catch of salps ... fisheries by F/V Niitaka Maru were made from 3 January to 4 February 1999 in the vicinity of the South ... Shetland Islands. Among 74 net hauls quantitatively examined, only a total of 5 specimens of juvenile ... hauls and those estimated value was 20 to 3560 ind./t of krill. By-catch fishes fed on Thysanoessa ...
Meeting Document : WG-EMM-00/54 : Author(s): T. Iwami, S. Kawaguchi and M. Naganobu (Japan)
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Australian research on Antarctic bird and seal diets
data on the diets of important vertebrate predator species in Prydz Bay and around the sub-Antarctic ... rather low proportion of the diet of most vertebrate predators. Euphausia crystallorophias and the fish ... use of these predators to monitor the state of prey populations is thus very limited, although ... continuing studies will be useful to assess the natural variability of the system. Around the sub-Antarctic ... Island and Macaroni, E. chrysolophus at Heard Island). A few data are available also on the diets of ... °30'S: 158°57'E), Lusitania Bay. Time: November 1984 to November 1985 Source of material: At least ... contents of 17 birds shot at sea Reference: Montague (1984) Mean weight of all food: 31g, range 2-72g ... . Prey size: Average carapace length of Chorismus was steady through year at 13.3±1.4 mm, but longer ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 231-249 : Author(s): Williams, R.
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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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Achievements and Challenges
-04). At the 35th annual meeting of the Commission in 2016, Members agreed to establish a new MPA in ... Ocean. During its history of just over thirty years, CCAMLR has set global benchmarks for ... operationalising an ecosystem approach to support the sustainable use of marine living resources. Achievements have ... been based on: recognised international best practice at-sea scientific observer program management ...
Page : Site Section: The Organisation
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Geographical differences in the condition, reproductive development, sex ratio and length distribution of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR Subarea 88.1)
length distribution of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR ... Subarea 88.1) Abstract / Description: A number of morphological and reproductive measurements made ... to 2004/05 fishing seasons on board the autoliner San Aotea II have been analysed. Results of this ... study indicate measurable differences in a number of indices from toothfish found on the Ross shelf ... . mawsoni suggesting that 50% of Fenaughty 30 the population of both sexes is mature at 100 cm TL ... the southern samples remains consistently at a lower level than that of the northern ones until at ... between at least these two broadly defined areas. The predominance of sexually mature fish in the north ... vitellogenesis means that sexually mature female fish will have ovaries with yolked oocytes at all times of the ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 27–45 : Author(s): Fenaughty, J.M
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A compilation of parameters for a krill–fishery–predator model of the Scotia Sea and Antarctic Peninsula
have therefore documented our sources, assumptions and calculations at every stage of the compilation ... Abstract: We describe the compilation and derivation of parameters for use in krill-fishery ... -predator models of the Scotia Sea – Antarctic Peninsula region. The primary aim is to provide input for the ... parameters should be applicable to other models of the system. Our methods include the use of weighted ...
Meeting Document : WG-EMM-06/30 Rev. 1 : Author(s): S. Hill, K. Reid, S. Thorpe (United Kingdom), J. Hinke and G. Watters (USA)