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Factors affecting the growth rate and mass at weaning of Antarctic fur seal pups at Bird Island, South Georgia
between 1972 and 1991 and appeared to decline from 1984 through 1990. Methods used to collect and weigh ...
Meeting Document : WG-CEMP-93/09 : Автор(ы): N.J. Lunn, I.L. Boyd, T. Barton and J.P. Croxall (United Kingdom)
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Summary of the toothfish fishery and tagging program in the Amundsen Sea region (SSRUs 882C–H) to 2017/18
research blocks 882_1, 3 and 4 use CPUE by seabed area analogy and can also be calculated by CCAMLR ... these research blocks, especially blocks 1 and 4, where sea ice dynamics can prevent access early in the ... survival and tag detection by individual vessels) can be applied: 882H: 177 t based on a one-year Chapman ... maximum of 20% change in the catch limit from 200 t. Research block 882_2: 240 t based on a one-year ...
Meeting Document : WG-FSA-18/36 : Автор(ы): S. Mormede and S. Parker
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An initial examination of using CPUE as a fishery performance index for the krill fishery
Abstract: Early analyses of CPUE in the krill fishery concluded that it was not a useful index of ... annual FPI for each of the three subareas showed no synchronous relationship with each other and showed ... differing relationship with the total catch in the same subarea. Comparison of the annual FPI with the krill ... difference between this overall mean and the mean for each year in which the vessel fished. An overall ...
Meeting Document : WG-EMM-16/10 : Автор(ы): CCAMLR Secretariat
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AN ASSESSMENT OF ARTIFICIAL BAIT (NORBAIT™) AS A MEANS OF REDUCING THE INCIDENTAL CATCH OF MACROURUS AND OTHER BYCATCH SPECIES IN HIGH LATITUDE TOOTHFISH FISHERIES
Subareas 48.3 and 48.4) during early 2008. During the period 12 April and 14 May 2008 seventeen trial lines ... line with control mags baited with squid, the vessel’s preferred bait for toothfish and alternating ... Aotea II in the Ross Sea in early 2007. This was not the case in Subarea 48.3, the other area where ...
Meeting Document : WG-FSA-08/52 : Автор(ы): J.M. Fenaughty (New Zealand)
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Results of the tagging experiment for (D. eleginoides) in Subarea 48.4, 2007 update
. eleginoides. These were recaptured 84km and 14km from their points of release. 3. The UK proposes to continue ... may need to be extended for a few more years. Author(s): J. Roberts and D.J. Agnew (United Kingdom ... in catching and tagging the anticipated number of toothfish each year, the experiment and CM 41-03 ...
Meeting Document : WG-FSA-07/32 : Автор(ы): J. Roberts and D.J. Agnew (United Kingdom)
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Variation in standing stock of the mackerel icefish Champsocephalus gunnari at South Georgia
commercial fishing. 2. The greatest effect has been observed in years when krill are known to have been ... scarce on the South Georgia shelf. 3. It is thought that C. gunnari survivorship is closely related to ...
Meeting Document : WG-FSA-99/63 : Автор(ы): I. Everson, G. Parkes (United Kingdom), K.-H. Kock (Germany) and I. Boyd (United Kingdom)
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Community Structure of copepods in epipelagic layers in the Ross Sea and neighboring waters
from three layers between the surface and 200 m with RMT 8m2 along the three longitudinal lines in the ... -2279.5; mean 610.5 inds. 1000 m-3) and dominance of Rhincalanus gigas (mean 88.4%). Group 2 located off ... -1542.1; mean 301.9 inds. 1000 m-3) and high composition of Calanus plopinquus (mean 19.0%), Rhincalanus ... gigas (mean 23.2%) and Calanoides acutus (mean 38.7%). Group 3 and 4 located in the Ross Sea (175°E ...
Meeting Document : WG-EMM-08/36 : Автор(ы): Y. Watanabe, S. Sawamoto, T. Ishimaru and M. Naganobu (Japan)
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Circumpolar connections between Antarctic krill (Euphausia superba Dana) populations: Investigating the roles of ocean and sea ice transport
in the Southern Ocean. Krill have a close association with sea ice which provides access to a ... critical food source and shelter, particularly in the early life stages. Advective modelling of transport ... . Here we present Lagrangian modelling studies at the circumpolar scale that include interaction with sea ... Modelling (OCCAM) project model together with satellite-derived sea ice motion vectors to examine the ...
Meeting Document : WG-EMM-07/P10 : Автор(ы): S.E. Thorpe, E.J. Murphy and J.L. Watkins (United Kingdom)
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Options for allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea
Abstract: With the intent of stimulating discussion, we present four options for subdividing the ... dynamic allocation based on land-based predator monitoring conducted just prior to or early in the fishing ...
Meeting Document : WG-EMM-03/36 : Автор(ы): R.P. Hewitt, G. Watters (USA) and P.N. Trathan (United Kingdom)
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Foraging ecology of grey-headed mollymawks at Marion Island in relation to longline fishing activity
zone. This brought them into contact with areas of intense Southern Blue-fin Tuna Thunnus maccoyii ... longline fishing. During the early post-guard phase, foraging trips were shorter and to the southwest of ...
Meeting Document : WG-FSA-99/25 : Автор(ы): D.C. Nel, J.L. Nel, P.G. Ryan, N.T.W. Klages (South Africa), R.P. Wilson (Germany) and G. Robertson (Australia)
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