Search results
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Notes on methods for measuring and estimating the status of krill
different institutes are outlined in the hope that standardisation by WG-EMM can be established and thus ...
Meeting Document : WG-EMM-01/16 : Author(s): I. Everson (United Kingdom)
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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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CCAMLR Statistical Bulletin, Vol. 25 data files
,"SGP","no" "CDS",2000,"TOT","ZAF",60.46,"T++","no" "CDS",2000,"TOT","ZAF",495.92,"USA","no" "CDS",2001 ... ,"TOT","ARG",360.18,"CHN","no" "CDS",2001,"TOT","ARG",237.50,"ESP","no" "CDS",2001,"TOT","ARG",1132.24 ... ,"JPN","no" "CDS",2001,"TOT","ARG",277.02,"KOR","no" "CDS",2001,"TOT","ARG",595.48,"USA","no" "CDS",2001 ... ,"TOT","AUS",1089.91,"CHN","no" "CDS",2001,"TOT","AUS",785.24,"JPN","no" "CDS",2001,"TOT","AUS",17.59 ... ) CCAMLR_2013_Statistical_Bulletin_Volume_25_CDSlandings.txt CCAMLR_2013_Statistical_Bulletin_Volume_25_CDSexports.txt These files should be referenced as ...
Document : Site Section: Data
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Quality and provision of scientific advice
. These extensions could take the form of fully integrated management procedures that provide a single ... ‘answer’ and/or a standardised way that risk is presented under different management options. Suggested ... extensions are (i) procedures for calculating catch limits should be developed for further stocks; (ii ... Committee- In progress. 3.4.1.3 The form of the Scientific Committee report should be reviewed to identify ...
Page : Site Section: The Organisation
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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