Search results
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Distributions and predator-prey interactions of macaroni penguins, Antarctic fur seals, and Antarctic krill near Bird Island, South Georgia
abundances but not of the abundance of macaroni penguins. 'We found no evidence that the fur seals or ... Abstract: We studied the distributions, abundances and interactions of macaroni penguins Eudyptes ... transects radiating from the breeding colonies of the vertebrate predators. We examined the relationships ... between the distributions of predators and their prey with respect to the abundance of krill in the water ...
Meeting Document : WG-CEMP-93/12 : Author(s): G.L. Hunt, Jr (USA), D. Heinemann (USA) and I. Everson (United Kingdom)
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ASSESSMENT MODELS FOR ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN SUBAREA 88.2 SSRU E FOR THE YEARS 2002/03 TO 2008/09
Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... model for Antarctic toothfish (Dissostichus mawsoni) in the SSRU 88.2E, using revised catch, catch-at ... -age and tag-recapture data from New Zealand vessels and for selected trips. The New Zealand vessels ... model resulted in a higher estimate of initial biomass than the same model for 2006, but the estimated ...
Meeting Document : WG-FSA-09/41 : Author(s): A. Dunn and S.M. Hanchet (New Zealand)
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Scientific background to the proposed East Antarctica Representative System of Marine Protected Areas
transcription errors were in relation to BANZARE Bank inside the Planning Domain. No changes to the text have ... been made. This paper summarises the scientific background to the proposed East Antarctica ... Representative System of Marine Protected Areas (EARSMPA), including why the EARSMPA will contribute to the ... Commission achieving the objectives of CCAMLR in Article II, in both conservation and in science relevant to ...
Meeting Document : SC-CAMLR-IM-I/10 Rev. 1 : Author(s): Delegations of Australia, France and the European Union
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Estimating future krill catches that meet the CCAMLR and alternative decision rules for FAO Subarea 48.1 using an integrated assessment model
spawning biomass instead of to projections with no fishing. Catch levels that meet the various decision ... incorporates catch and length-composition data from the krill fishery with biomass indices and length ... -compositions from research surveys has been developed. The model uses statistical fits to these data to ... estimate the effects of the fishery on the krill population. The model estimates parameters representing ...
Meeting Document : WG-EMM-15/51 Rev. 1 : Author(s): D. Kinzey, G.M. Watters and C.S. Reiss (USA)
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Is population structure of Patagonian toothfish (Dissostichus eleginoides) determined by the Antarctic Circumpolar Current?
Abstract: Water transported by the Antarctic Circumpolar Current (ACC) in the Southern Ocean may ... off the southern South American continent around the Falkland Islands north of the Sub-Antarctic Front ... of the ACC, and off Kerguelen and South Georgia Islands, situated respectively in the southern Indian ... and Atlantic Oceans to the south of the Polar Front. We fitted von Bertalanffy (VB) models ...
Meeting Document : WG-FSA-03/84 : Author(s): J.R. Ashford, C.M. Jones, E. Hofmann (USA), I. Everson (United Kingdom) and G. Duhamel (France)
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The US commercial krill fishery in Area 48: development, fishing patterns, and decision making
Ocean had no prior experience fishing for krill, anecdotal and historical information served as the ... Abstract: A U.S. flagged commercial factory trawler, the Top Ocean, started fishing operations ... year since the initial fishing trials. This paper presents information on the development, yields, and ... decision making processes involved in harvesting krill by the U.S. fishery. Because the Captain of the Top ...
Meeting Document : WG-EMM-02/18 : Author(s): C.D. Jones and M. Hull (USA)
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The Price of Fish: A global trade analysis of Patagonian (Dissostichus eleginoides) and Antarctic toothfish (Dissostichus mawsoni)
), there are currently no methods in place to monitor the volume or value of toothfish traded in the ... great commercial importance to the 13 nations that actively harvest toothfish for global consumption ... . The major consuming nations have the most influence over toothfish trade and it is important to ... , are managed by the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR ...
Meeting Document : CCAMLR-XXXIII/BG/14 Rev. 2 : Author(s): Secretariat
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Movement and growth of tagged toothfish around South Georgia and Shag Rocks (Subarea 48.3)
groundfish surveys may not yet be large enough to be available to the longline fishery and there have been no ... Abstract: In 2000 the UK started a toothfish (Dissostichus eleginoides) tagging programme. The ... aims were to investigate the spatial and temporal movement of fish and to validate growth estimates ... Oxytetracycline which places a marker on the otolith indicating the date of injection and release. To date, 50 ...
Meeting Document : WG-FSA-02/28 : Author(s): T.R. Marlow, D.J. Agnew and I. Everson (United Kingdom)
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Distribution of Soviet commercial fleet at krill fishery in the South Orkneys subarea (Subarea 48.2) during 1989/90
Abstract: The results of analysis of haul by haul catch statistics of Soviet commercial fleet ... during 1989/90 season (totally 3614 hauls for the period from 1.11.1989 to 12.06.1990 are presented ... . Actually during the whole season fishing vessels worked in one fishing ground off the north-western edge of ... 6.9-7.1 t/hour by May-June. Stability of the fishing ground is stipulated by peculiarities of the area ...
Meeting Document : WG-EMM-97/50 : Author(s): Sushin, V.A.
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Characteristics of seasonal variation in diurnal vertical migration and aggregation of Antarctic krill (Euphausia superba) in the Scotia Sea, using Japanese fishery data
ice off the Ongul Islands in Lutzow-Holm Bay, Antarctica. Mem. Nat. Inst. Polar Res., Spec. Issue 44 ... of Antarctic krill (Euphausia superba) in the Scotia Sea, using Japanese fishery data Abstract ... / Description: Seasonal variation in the diurnal vertical migration and aggregation of Antarctic krill ... (Euphausia superba) associated with the daylight phase over the diurnal cycle (i.e. brightness categories ... ) was examined for the Scotia Sea (South Shetland Islands (SS), South Orkney Islands (SO) and South ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 163–172 : Author(s): Taki, K., T. Hayashi and M. Naganobu