Search results
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Proposal for an extension to the mark-recapture experiment to estimate toothfish population size in the South of Subarea 48.4
Abstract: A three‐year tagging study in the South of Subarea 48.4 was initiated in the 2008/09 ... , size, movement and growth of both Dissostichus eleginoides and Dissostichus mawsoni in the South of ... total of 794 tagged fish in the water, respectively. A total of 13 D. eleginoides and 22 D. mawsoni were ... spp. in the South than previously anticipated. In addition there are signs of significant stock ...
Meeting Document : WG-FSA-10/40 : Author(s): J. Roberts and D. Agnew (UK)
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Descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in Subareas 88.1 & 88.2 for the years 2000–01 to 2012–13
Abstract: We provide an update of the descriptive analyses of the toothfish tagging programme in ... tagging rate of one toothfish per tonne of catch in the Ross Sea region. Tag recapture data showed that ... 88.2H- north, and 1 from 88.2F- slope). The total number of recaptures in 2012 was lower than in 2010 ... and 2011, but the total number of recaptures in 2013 was very similar 2010 and 2011 and about double ...
Meeting Document : WG-FSA-13/49 : Author(s): S. Parker, A. Dunn, S. Mormede 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 2000 winter and the 2000/01 breeding season
entanglements over the 2000 winter than in 1999; some of which can be explained by interannual variation in the ... injuries accounted for 35% of entanglements over winter and 23% during the summer. As in previous years ... entangled males in the winter compared to summer reflects the sex ratio of Antarctic fur seals ashore over ... entanglements in both the summer and winter periods. The prevalence of these bands in the Southern Ocean marine ...
Meeting Document : SC-CAMLR-XX/BG/03 : Author(s): Delegation of the United Kingdom
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Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Bird Island, South Georgia during the 1999 winter and the 1999/2000 pup rearing season
the CCAMLR prohibition on their use in1994. The number ofanimals showing severe injuries was down on the 1998 ... on their use in1994. The number ofanimals showing severe injuries was down on the 1998 winter. The number ...
Meeting Document : SC-CAMLR-XIX/BG/02 : Author(s): Delegation of the United Kingdom
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Shedding new light on the life cycle of mackerel icefish in the Southern Ocean
in the north. Stocks have declined in most parts of the distributional range due to the impact of ... parts of the Indian Ocean appear to have led to increased predation on stocks of icefish. Shifts in ... hydrological regimes in the northern part of the distributional range have either started to lead or will lead ... : Shedding new light on the life cycle of mackerel icefish in the Southern Ocean Approval: Approved ...
Meeting Document : WG-EMM-03/4 : Author(s): K.-H. Kock (Germany) and I. Everson (United Kingdom)
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Entanglement of Antarctic fur seal Arctocephalus gazella in man-made debris at Bird Island, South Georgia during the 2001 winter and the 2002 breeding season
entangled during the pup-rearing period suggesting an increased presence of man-made debris in the waters in ... discussed. Plastic packaging bands and synthetic strings accounted for the majority of all entanglements in ... both winter and summer. Loops of synthetic string, as used in longline fishing, is now the most ... monitoring and increased effort in ensuring correct disposal of debris with the potential to entangle ...
Meeting Document : SC-CAMLR-XXI/BG/04 : Author(s): Delegation of the United Kingdom
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An updated spatially explicit population dynamics operating model for Antarctic toothfish in the habitable depths of the Ross Sea region
spatial distribution and movement of Antarctic toothfish in the Ross Sea region given the movement ... hypothesis proposed. Further data collection would be useful to improve the parameterisation of the model, in ... operating model for Antarctic toothfish in the habitable depths of the Ross Sea region Approval: Approved ... model for Antarctic toothfish in the Ross Sea region, for a medium scale spatial resolution (189 spatial ...
Meeting Document : WG-SAM-14/31 : Author(s): S. Mormede, A. Dunn, S. Parker and S. Hanchet (New Zealand)
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A characterisation of the toothfish fishery and tagging programme in the Amundsen Sea region (SSRUs 88.2C–H) through 2015–16
88.2C-G) into four smaller research blocks in order to increase the likelihood of recaptures of ... information on the size of the population. Furthermore, 11 tagged fish were recaptured in the north (SSRU ... Abstract: This report provides a characterisation of the toothfish fishery and associated tagging ... programme in the Amundsen Sea Region (SSRUs 88.2C–H) up to and including the 2015/16 fishing year. A ...
Meeting Document : WG-FSA-16/45 : Author(s): K. Large, S. Parker and S. Hanchet
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ESTIMATION OF MANAGEMENT REFERENCE POINTS CONSISTENT WITH THE CATCH TRIGGER LEVEL FOR THE ANTARCTIC KRILL FISHERY IN AREA 48
of F and SSB reference points for the krill stock in Area 48 consistent with the catch trigger level ... design feature of the Generalised Yield Model in place to prevent projections from running with ... potentially significant bias in projected recruitment resulting from poor parameterisation of the beta ... biomass reference points for the krill fishery in CCAMLR Area 48 consistent with the catch trigger level ...
Meeting Document : WG-EMM-11/17 : Author(s): T. Peatman, J. Moir Clark, D.J. Agnew (UK)
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The structure and spatial distribution of Antarctic krill aggregations from acoustic observation in the South Georgia area
significant distinctions in spatial distribution patterns of krill in the northwestern and the northeastern ... that in winter months in the northwestern part where foraging areas of dependent predators are located ... 100 g/m2 determined as potential fishing grounds were located in the northeastern part of South ... Georgia. Comparison of krill aggregations structure in the northwestern and the northeastern parts of ...
Meeting Document : WG-EMM-04/66 Rev. 1 : Author(s): S.M. Kasatkina (Russia)