Search results
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An update on the development of a management procedure for the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity
status for the toothfish resource in the Prince Edward Islands region that were developed last year are ... a constant future catch suggest that the two scenarios will only be qualitatively distinguished in ... the short-term by an increase in the mean length of longline-caught toothfish over the next five years ... control rule based upon recent trends in both CPUE and this mean length is investigated. This MP is able ...
Meeting Document : WG-FSA-SAM-06/12 : Author(s): A. Brandão and D.S. Butterworth (South Africa)
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Analysis of the krill fishery in Subarea 48.1 considering trawl fishing method used (2010–2016)
Abstract: An analysis of spatio-temporal variability of CPUE indices in the krill fishery in ... in the Bransfield strait, where the main fishery in Subarea 48.1 is concentrated The possibility of ... krill biomass in SSMU during the fishing season is discussed. Variability of monthly average ... standardized CPUE estimates in the Bransfield strait shows that despite intensive fishery the density of krill ...
Meeting Document : WG-EMM-17/27 : Author(s): S. Kasatkina S. and L. Boronina
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Towards an ecological risk assessment of krill fishing in East Antarctica (CCAMLR Divisions 58.4.1 and 58.4.2)
Abstract: With the recommencement of commercial krill (Euphausia superba) fishing in CCAMLR ... framework used in Area 48 to assess the risks involved in any redevelopment of a krill fishery and evaluate ... whether the current management procedure has a high likelihood of achieving CCAMLR’s objectives in this ... to allow the completion of a first risk assessment for the krill fishery in this region in the near ...
Meeting Document : WG-EMM-17/20 : Author(s): N. Kelly, M. Cox, L. Emmerson, S. Kawaguchi, B. Raymond, C. Southwell and D. Welsford
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A proposal to revise the limitation of Macrourus by-catch in new and exploratory fisheries
Abstract: A new move-on rule was introduced in Conservation Measure 33-03 at CCAMLR-XXIV ... when the catch of Macrourus spp. by a single vessel exceeds 16% of its Dissostichus spp. catch in any ... two 10-day periods in a single SSRU (CM 33-03 paragraph 5). The interval of the “10-day period” was ... defined arbitrarily and sometimes does not fit the practical fisheries operations in the harsh Antarctic ...
Meeting Document : SC-CAMLR-XXVI/08 : Author(s): Delegation of Japan
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CPUE and proportional recruit indices from Japanese krill fishery data in Subarea 48.1
Abstract: Proportional recruit indices and CPUE in Subarea 48.1 (Antarctic Peninsula region) from ... et al., 1997), and showed close relationship to sea ice indices. CPUE (catch/towing volume) in ... Livingston area showed a decreasing trend during the study period. Alternation of operational strategy in ... relation to the product quality and decrease of krill density in the areas were considered as the possible ...
Meeting Document : WG-EMM-97/35 : Author(s): Ichii, T., Kawaguchi, S., Naganobu, M.
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CPUEs and body length of Antarctic krill during 1995/96 season in the fishing grounds around the South Shetland Islands
Abstract: This paper summarizes Japanese krill catch data during austral summer in 1995/96 season ... . Main fishing grounds were persistently formed in the north of Livingston Island throughout the season ... . CPUE in December was high but from January through June CPUE was comparable to the value of Livingston ... area in the previous fishing season. From January through early May, modal size of krill differed ...
Meeting Document : WG-EMM-97/36 : Author(s): Naganobu, M., Kawaguchi, S., Ichii, T.
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Preliminary study on reproduction in Champsocephalus gunnari from Subarea 48.3, Dr Eduardo Holmberg survey, February/March 1994
Abstract: A preliminary histological analysis on the ovarian development in Champsocephalus ... commonly used. Oocytary resorption processes were observed during ovarian maturation. In some cases the ... ovaries presented few atretic oocytes; in others a generalized regression was found. In the southwest ... similar to that reported for the same species in the 1991 summer season. Author(s): G.J. Macchi and E.R ...
Meeting Document : WG-FSA-94/28 : Author(s): G.J. Macchi and E.R. Barrera-Oro (Argentina)
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Preliminary Results of a Bottom Trawl Survey Around Elephant Island in May/June 1986
fromboard RV "Polarstern" in May/June 1986 give some insight into spawning activities and changes ... in length compositions and biomass estimates in Notothenia rossii, N. gibberifrons, N. coriiceps ... only observed in N. c. neglecta, whereas very little or no spawning was evident for N. rossii, C ... . gunnari and Ch. aceratus. Peak spawning of N. c. neglecta is limited to only a few weeks. In populations ...
Meeting Document : WG-FSA-86/01 : Author(s): K.-H. Kock (FRG)
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Peculiarities of Euphausia superba size composition in Statistical Subarea 48.2 (South Orkney Islands)
E.superba was undertaken by means of comparision of various size groups of curstacean distribution in the ... maxima, than in the norhtern part of the region. These featurese are concerned mainly to E.superba with ... only in the southern part of the region, but also in eastern and especially to its north-east parts. In ... . Picture complicated due to system of current, namely advection of Weddell Sea waters to the north in ...
Meeting Document : WG-KRILL-91/11 : Author(s): V.I. Latogursky and R.R. Makarov (USSR)
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Observer coverage required for the prediction of incidental capture of seabirds in New Zealand commercial fisheries
numbers of incidental seabird captures (albatross and petrel taxa combined) in a fishery with a specified ... known history of seabird captures: the trawl fisheries targeting hoki in the Sub-Antarctic, on the ... Chatham Rise, and off the west coast of the South Island; the trawl fisheries targeting squid in the ... on the Chatham Rise and in waters south of 46° S. A random effects model was developed to enable the ...
Meeting Document : WG-FSA-05/50 : Author(s): M.H. Smith and S.J. Baird (New Zealand)