Search results
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A re-assessment of the stock of Notothenia gibberifrons in the South Orkney Islands (Statistical Subarea 48.2)
reported as ‘Pisces nei’ an attempt is made to reconstruct the fishery on that species between 1977/78 and ... 1985/86. Stock size until the mid 1980s seemed to be more reduced than previously assumed. The current ...
Meeting Document : WG-FSA-90/16 : Author(s): K.-H. Kock (Germany) and D.J. Agnew (Secretariat)
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Length at maturity of the Antarctic skates Amblyraja georgiana and Bathyraja eatonii in the Ross Sea
to obtain accurate estimates of the length at 50% maturity. Results were compared with data collected ... confirm this. The length at 50% maturity of male and female Bathyraja eatonii could not be accurately ... determined, but may be around 85–90 cm and 100–120 cm, respectively. Author(s): M.P. Francis (New Zealand ...
Meeting Document : WG-FSA-03/42 : Author(s): M.P. Francis (New Zealand)
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Definition of the problem of estimating fish abundance over an area from acoustic line transect measurements of density
conditions, fish density can be measured with high accuracy along line transects. Observed variations in fish ... problems is given. Among these, the so-called spatial statistical techniques appear to be most promising ...
Meeting Document : WG-KRILL-91/08 : Author(s): K.G. Foote and G. Stefánsson (Norway)
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Beach litter survey, Signy Island, South Orkney Islands 1994/95
origin noted. At Foca Cove, a total of 91 items were found with a combined weight of 18.26 kg. At ... found (11.23 kg). It is clear that almost all beached debris originates from accidental or deliberate ... concern was that the total number of plastic items found remained high. However, the composition of ... plastic items has changed considerably since 1992/93, with a steady reduction in the percentage of ...
Meeting Document : CCAMLR-XIV/BG/15 : Author(s): Delegation of the United Kingdom
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Status of the FIBEX acoustic data from the west Atlantic
Siedlecki survey do not provide estimates that are consistent with the other surveys. The authors can find ... collected at 50kHz (Walther Herwig survey) with data collected at 120 kHz (all other vessels), it is ... concluded that this does not materially affect on the estimated biomass. The data from the Profesor ...
Meeting Document : WG-KRILL-93/31 : Author(s): P.N. Trathan and I. Everson (United Kingdom)
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Further development of a krill fishery simulation model
to account for variability in catch rates. The most successful management regime is found to be one ... the model predicts a 90% reduction in overlap with foraging predators, and a 15 to 20% reduction in ... catch. Closure of Livingston Island for the breeding period resulted in a 60% reduction in overlap with ...
Meeting Document : WG-Joint-94/04 : Author(s): D.J. Agnew (Secretariat)
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Net diagrams for Chinese vessels notified for krill fishery in 2015/16 Notification ID 86733, 86772 and 86773
mammal exclusion device diagrams to be used in conjunction with the online notifications for the krill ... Abstract: In accordance with CM 21-03, Annex 21-03 A, attached are the net diagrams and marine ...
Meeting Document : WG-EMM-15/02 : Author(s): Delegation of the People’s Republic of China
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Male krill grow fast and die young
examined with an extensive dataset derived from scientific surveys in the Indian Ocean sector and the ... ). This pattern was reproduced by a model simulation that assumed faster growth and a shorter life span ... for males when compared to females. These results suggest that the numbers of males should decline ... with time unless new recruits enter the population. Indeed, inter-annual variations in the proportion ...
Meeting Document : WG-EMM-07/P6 : Author(s): S. Kawaguchi, L.A. Finley, S. Jarman, S.G. Candy (Australia), R.M. Ross, L.B. Quetin (USA), V. Siegel (Germany), W. Trivelpiece (USA), M. Naganobu (Japan) and S. Nicol (Australia)
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A description of current metrics and methods used in providing advice to the Scientific Committee on setting catch limits and assessing research plans in research blocks in exploratory fisheries and closed areas
detailed along with points that might require further clarity and consideration by WG-SAM and WG-FSA ... purpose of the metrics included in the summary table presented to the Scientific Committee that includes ... estimation (SC-CAMLR-XXXIV, paragraph 3.232 (i)). This paper provides an updated summary table, with a full ... description of the methods used in that updated table, as well as some history of decisions made by WG-FSA in ...
Meeting Document : WG-SAM-16/18 Rev. 1 : Author(s): CCAMLR Secretariat
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A review of national observer training and education programs (Scheme of International Scientific Observation)
Abstract: At CCAMLR-XXV, the Scientific Committee noted that the implementation of the observer ... program and the application of observer requirements could be improved by adopting a standard approach to ... Secretariat believes that in order to achieve a consistent approach to education and training for scientific ... national programs that meet these standards. Adopting a consistent approach to education and training for ...
Meeting Document : SC-CAMLR-XXVI/BG/09 Rev. 1 : Author(s): Secretariat