Search results
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Update of the integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) for the Heard and McDonald Islands (Division 58.5.2)
assessment was a reduction in the estimate of B0 with a compensatory increase in R0. Using the same data ... as the 2009 assessment the reduction in B0 was 33.1% and the increase in R0 was 23.5%. For the updated ...
Meeting Document : WG-FSA-11/24 : Author(s): S.G. Candy and D.C. Welsford (Australia)
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The biology, ecology and development of fishery management advice for the anomuran crabs at South Georgia (CCAMLR Subarea 48.3)
CCAMLR Science, Vol. 19 (2012): 1–15 1 THE BIOLOGY, ECOLOGY AND DEVELOPMENT OF FISHERY MANAGEMENT ... Survey High Cross, Madingley Road Cambridge CB30ET United Kingdom Email – markb@bas ... for P. formosa be set at 82 or 90 mm, Belchier et al. 10 noting that the majority of male P. formosa caught ... to cessation of the fishery resulting from the TAC being attained or by each vessel wishing to voluntarily ... further research should be directed in order to provide information on which to base the most appropriate ... analyses suggest that the current precautionary catch limit may not be sustainable in the long term if it ... were reached consistently. Further research to address many of the areas outlined above should be ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 1–15 : Author(s): Belchier, M., T. Peatman and J. Brown
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Shifts in the demersal fish community of South Georgia
the 1986/87 survey to the 1987/88 survey. This change was the result of reductions in the abundance ... of a non-parametric method revealed a significant change in this community from the 1986/87 survey ...
Meeting Document : SC-CAMLR-VII/BG/24 : Author(s): United States of America
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Stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1991/91 season, using virtual population analysis
independent stock assessment surveys between 1986/87 and 1990/91. The results indicate a very different ... stock assessment surveys between 1986/87 and 1990/91. The results indicate a very different situation ...
Meeting Document : WG-FSA-91/15 : Author(s): G. Parkes (United Kingdom)
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The UK fish stock assessment survey bottom trawl for South Georgia
Georgia between 1986/87 and 1988/89. The importance of reducing the variability of trawl performance ... Georgia between 1986/87 and 1988/89. The importance of reducing the variability of trawl performance ...
Meeting Document : WG-FSA-91/16 : Author(s): G. Parkes (United Kingdom)
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Preliminary results of age determination of the Dissostichus spp. from the longline catches in 48.2 Subarea (2015, SIMIIZ)
otolith pairs of Dissostichus mawsoni and 87 otolith pairs of Dissostichus eleginoides were sampled; one ... ) in March 2015. 124 otolith pairs of Dissostichus mawsoni and 87 otolith pairs of Dissostichus eleginoides ...
Meeting Document : WG-FSA-15/46 : Author(s): Delegation of Ukraine
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e-sc-xi-a4.pdf
... to facilitate future refinement of precautionary krill limits (SC- CAMLR-X, paragraph 3.82); • consideration ... is important for primary production and that further analyses are being conducted to investigate this matter ... and in situations when dual frequency systems are being used for target identification. 4.42 Paper WG-Krill-92/17 ... to the north of South Georgia was surveyed. This resulted in a much smaller area being surveyed in Subarea ... ); 2 • additional information on krill demographic parameters should be reviewed (SC-CAMLR-X ... may exist should be further defined in order to facilitate future refinement of precautionary krill ... limits (SC- CAMLR-X, paragraph 3.82); • consideration of the costs to fishing nations, likely to be ... that two were currently fishing. The 1991/92 catch was estimated to be similar to the 1990/91 catch
application/pdf attached to:WG-KRILL-92
Meeting Report : WG-KRILL-92
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Preliminary appraisal of Antarctic fish selection by the 32/36 bottom trawl combined with various codends
. B nepBYIO O'IepeAb 3TO 6bIJIO Bbl3BaHO I1CnOJIb30BaHl1eM THmeJIOrO ceTHoro nOJIOTHa npl1 I1X ... " codend, the only difference being that the "100" codend did not have the physico-chemical finish ... coefficient Fs = 3.51, selection quality coefficient Ws = 0.83, length of fish fully retained by the codend ... on many other factors, the most important of them being the yield attained, tow duration, species ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 1-48 : Author(s): Zaucha, J.
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Estimation of natural mortality using catch-at-age and aged mark-recapture data: a multi-cohort simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation.
Science, Vol. 18 (2011): 1–27 Estimation of natural mortality using CatCh-at-agE and agEd mark ... -rECapturE data: a multi-Cohort simulation study Comparing Estimation for a modEl BasEd on thE Baranov ... is similar to the model of Polacheck et al. (2006) with the main differences being (i) the estimation ... LNf 0.0950 0.0855 –17.82, 8.95 –5.00 9.91 0.51 BODE 0.10 LNg 0.0884 0.1501 –35.41, 12.34 –11.58 18.96 ... model with no increase detectable for the BODE model. With these caveats, both models can be used to ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 1–27 : Author(s): Candy, S.G.
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e-sc-xxxvii-a6.pdf
... between Cefas and UEA in delivering high impact applied science to support fisheries. He wished ... of biomass being created from a proposed tagging program. The Working Group noted that improvements ... 7, paragraphs 4.53 to 4.55) and SC-CAMLR-XXXVI (SC-CAMLR-XXXVI, paragraphs 3.83 and 3.85) regarding a similar ... collected would be further analysed and presented to WG-FSA-18, and future surveys are being considered ... performance in the Ross Sea region. The Working Group recalled its previous advice on the steps to be ... to further validate the software, Casal2 models could be run in 2019 and compared with the 2019 ... software, consideration would need to be given to how validations of software versions would be undertaken
application/pdf attached to:WG-SAM-18
Meeting Report : WG-SAM-18