Search results
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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)
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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: 1. 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 ... those experienced in the North of 48.4. 196 Amblyraja georgiana and 1 Bathyraja eatonii were tagged and ... experiment in the South of Subarea 48.4 in 2009/10 with a combined catch limit of 75 tonnes for Dissostichus ...
Meeting Document : WG-FSA-09/18 : Author(s): J. Roberts and D.J. Agnew (United Kingdom)
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Mesozooplankton distribution and community structure in the Pacific and Atlantic sectors of the Southern Ocean during austral summer 2017/18: a pilot study conducted from Ukrainian longliners
Abstract: Preliminary results of the pilot study of the mesozooplankton in the region between the ... were collected in the top 100 m water layer using vertical tows of the 0.1 m-2 Juday net from four ... oceanographic surveys. The potential of such surveys are enormous in both providing invaluable information ... Ocean, particularly in light of recent modelling initiatives of the whole Antarctic system undertaken by ...
Meeting Document : WG-FSA-18/19 : Author(s): E.A. Pakhomov, L.K. Pshenichnov, A. Krot, V. Paramonov, I. Slypkо and P. Zabroda
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Modelling the predator–prey interactions of krill, baleen whales and seals in the Antarctic ecosystem
Abstract: The history of human harvests of seals, whales, fish and krill in the Antarctic is ... ) species. The model commences in 1780 (the onset of fur seal harvests) and distinguishes the Atlantic ... /Indian and Pacific sectors in view of the much larger past harvests in former. A reference case and five ... Africa) Title: Modelling the predator–prey interactions of krill, baleen whales and seals in the ...
Meeting Document : WG-EMM-05/34 : Author(s): M. Mori and D.S. Butterworth (South Africa)
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The use of electronic monitoring camera system for the toothfish fishery in CCAMLR Subarea 48.3: a study case to help CCAMLR
assessment and management of the fishery. This independent estimation of the total catch in the fishery ... reviewers watching the video footage. No significant differences were found in the number of all species of ... Abstract: Sampling methods to determine the composition and nature of the catch of the longlining ... CCAMLR observers deployed on the fishing fleet. The collection of this data is important for the ...
Meeting Document : WG-FSA-14/27 : Author(s): R.A. Benedet (United Kingdom)