Search results
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Analysis of krill fishery behaviour in the southwest Atlantic: potential signals for moving fishing activities amongst SSMUs
. Vessels move around less frequently in Subarea 48.2 during the summer season because of only one viable ... . Nicol (Australia) Title: Analysis of krill fishery behaviour in the southwest Atlantic: potential ... Abstract: This paper outlines the difference in fishing patterns between regions (Subareas) and ... seasons by analyzing CPUE (catch per hour) patterns towards the end of their sets of operations before ...
Meeting Document : WG-EMM-07/27 : Author(s): S. Kawaguchi, A. Constable and S. Nicol (Australia)
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Distribution of Soviet commercial fleet at krill fishery in the South Orkneys subarea (Subarea 48.2) during 1989/90
. Actually during the whole season fishing vessels worked in one fishing ground off the north-western edge of ... in the beginning of the period with gradual subsequent decrease to the level inacceptable to the ... fleet (2.5 t/hour) in the next to the last five days of November. After disintegration of that ... Abstract: The results of analysis of haul by haul catch statistics of Soviet commercial fleet ...
Meeting Document : WG-EMM-97/50 : Author(s): Sushin, V.A.
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Trophic niche of the Antarctic toothfish caught in SSRU 88.3 as inferred from fatty acids and stable isotopes
of toothfish and their potential prey (bycatch and stomach contents), captured in fisheries in the ... Ocean sector of the Antarctica during 2012–2017. We found significant differences in size distributions ... Title: Trophic niche of the Antarctic toothfish caught in SSRU 88.3 as inferred from fatty acids and ... Abstract: To highlight ontogenetic and geographical variability in resource utilization of ...
Meeting Document : WG-FSA-18/21 : Author(s): C.-K. Kang, S.-G. Choi, H.Y. Kang, Y.-J. Lee, S. Chung and D.H. An
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Modelling egg and larval transport of Antarctic toothfish (Dissostichus mawsoni) in the East Antarctic region: preliminary result using satellite data
larval transport of the Antarctic Toothfish in the East Antarctic region. This paper presents the ... observed in the experiment A-1, the majority of particles were advected eastward in the experiment A-2. A ... experiment A-2 because of effects of temporal eddy activities. In the northern continental slope region, most ... 2-year simulation. From the result of the BB region, while strong self retention on the BB was ...
Meeting Document : WG-FSA-2019/63 : Author(s): M. Mori, K. Mizobata, T. Okuda and T. Ichii
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An updated descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in Subareas 88.1 and 88.2 up to 2005/06
Abstract: A descriptive analysis of the toothfish tagging programme carried out in Subareas 88.1 ... fish in the Ross Sea was very close to the size composition of the catch. Author(s): A. Dunn and S.M ... which were presented in July 2006 at WG-FSA-SAM. In addition, the paper presents release and recapture ... still only available for about half of the non-New Zealand vessels for 2003-04. A reported total of 10 ...
Meeting Document : WG-FSA-06/34 : Author(s): A. Dunn and S.M. Hanchet (New Zealand)
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Progress towards an assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 882C–H for the years 2002–03 to 2015–16 using a two-area model
collect mark-recapture data in the South to help inform the estimation of biomass in the South. We present ... the model, and in particular the size of the fish population in the South. We recommend that the ... Antarctic toothfish (Dissostichus mawsoni) in the Amundsen Sea region, defined here as SSRUs 88.2C–H. The ... models were first developed for the region in 2014 and refined in 2015. Results showed the need to ...
Meeting Document : WG-FSA-16/44 : Author(s): S. Mormede, K. Large and S. Hanchet
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Estimating fishing gear selectivity for trawlers using length-frequency data from concurrent commercial trawl and longline fishing for Patagonian toothfish in Division 58.5.2 and the ratio of their hazard functions
(GLMM). The GLMM was fitted to the number of fish in a bin using a complementary log-log link function ... and binomial sample size defined as the number of fish in that bin or a larger length bin. The ... toothfish in Division 58.5.2 and the ratio of their hazard functions Approval: Approved ... Abstract: The upper-arm of the length-dependent fishing selectivity function for trawlers fishing ...
Meeting Document : WG-FSA-06/35 : Author(s): S.G. Candy (Australia)
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Further development of coarse- and medium-scale spatially explicit population dynamics operating models for Antarctic toothfish in the Ross Sea region
and spawning fish in the northern areas of the Ross Sea region. Fits to the commercial catch ... proportions-at-age observations were generally good in most models, although fits to the plus group of the ... of known abundance in the model and the abundance information inherent in the tag-recapture ... operating models for Antarctic toothfish in the Ross Sea. The operating models consider both a coarse-scale ...
Meeting Document : WG-FSA-12/44 : Author(s): S. Mormede, A. Dunn, S. Parker and S. Hanchet (New Zealand)
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Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Bird Island, South Georgia during the 1992 winter and 1992/93 pup-rearing season
males, the main element of the population seen ashore at Bird Island at this time of year. In the summer ... ) was similar to previous years. The increased incidence of entanglement in both winter and summer is ... changes in the foraging ecology of fur seals at South Georgia nor by obvious changes in fishing practice ... Abstract: Surveys of Antarctic fur seals entangled in man-made marine debris were carried out for ...
Meeting Document : SC-CAMLR-XII/BG/06 : Author(s): Delegation of United Kingdom
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Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Bird Island, South Georgia, during the 2002 winter and 2002/03 breeding season
reported here. The overall number of entanglements showed a decrease from last year of 55% in winter and 67 ... %. Severe injuries accounted for 33% of entanglements over winter and 25% during the summer. As in previous ... ) accounted for the majority of all entanglements (81%); no entanglement in fishing nets was observed This ... highlights the need for continued monitoring and increased effort in ensuring correct disposal of debris with ...
Meeting Document : SC-CAMLR-XXII/BG/11 : Author(s): Delegation of the United Kingdom