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A PROPOSED MANAGEMENT PROCEDURE FOR THE TOOTHFISH (Dissostichus eleginoides) RESOURCE IN THE PRINCE EDWARD ISLANDS VICINITY
Pessimistic” and a “Pessimistic” current status for the toothfish resource in the Prince Edward Islands region ... recommendations for this resource. The MP uses two data sources: the recent trend in longline CPUE and the mean ... reasonably robust across a range of sensitivity tests, though does deteriorate in conservation terms if ... necessary to guard against a change in selectivity towards greater catches of older fish. Author(s): A ...
Meeting Document : WG-SAM-08/11 : Автор(ы): A. Brandão and D.S. Butterworth (South Africa)
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Orientation of Antarctic krill in an aquarium
strength (TS) values, since TS varies with body orientation. Krill body orientation was measured in an ... . Although mature females with marked swelling of the cephalothorax were not included in the experiment, the ... center of mass was found to be situated more to the anterior than in males and immature females. The ... anterior and the pleopods are less developed in females. It is concluded that the orientation, and ...
Meeting Document : WG-KRILL-93/24 : Автор(ы): Y. Endo (Japan)
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An assessment of Chaenocephalus aceratus and Pseudochaenichthys georgianus in Subarea 48.3
Abstract: Chaenocephalus aceratus and Pseudochaenichthys georgianus have been exploited in ... for these two species by assuming that 75% of the ‘unidentified fish’ caught by the Soviet Union in ... and length data from Polish research and commercial sources has been used with the new catch data in a ... ) (bycatch) limit of 300 tonnes would seem to be appropriate to allow recovery of both species in the near ...
Meeting Document : WG-FSA-90/06 : Автор(ы): D.J. Agnew (Secretariat) and K.-H. Kock (Germany)
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Deployment and recovery of an archival tag on an Antarctic toothfish in the Ross Sea
migration patterns in fishes. Understanding these movement patterns is one of the key information needs for ... large toothfish on the Ross Sea slope in January 2013 and report on the first recovery of an Antarctic ... toothfish tagged with an archival tag. The fish was recaptured in the fishery the following season (December ... and contrasting patterns throughout the time series in several variables recorded and several periods ...
Meeting Document : WG-FSA-14/64 : Автор(ы): S.J. Parker, D.N. Webber and R. Arnold (New Zealand)
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The 2014 annual random stratified trawl survey in the waters of Heard Island (Division 58.5.2) to estimate the abundance of Dissostichus eleginoides and Champsocephalus gunnari
, which had not been sampled since 2005. The catches of C. gunnari were less than half of those in 2013 ... catches in 2014 were slightly higher than the average RSTS take. Catches at Shell Bank consisted mostly of ... L. squamifrons and a small quantity of C. rhinoceratus. There were no C. gunnari caught in this ... stratum. The catch of invertebrates in the 2014 survey was 3.4 t, with the most abundant taxa being the ...
Meeting Document : WG-FSA-14/41 : Автор(ы): G.B. Nowara, T.D. Lamb and D.C. Welsford (Australia)
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Seasonal variation in the diet of Arctocephalus gazella at 25 de Mayo/King George Island, South Shetland Islands, Antarctica
. gazella during the winter period in the South Shetlands area. A total of 224 scats were collected in the ... antarcticum constituted the dominant fish prey species; in winter only P. antarcticum was dominant, while ... myctophids were absent. The only squid species present in the diet was Slozarsykowia circumantarctica. It is ... ) Title: Seasonal variation in the diet of Arctocephalus gazella at 25 de Mayo/King George Island, South ...
Meeting Document : WG-EMM-15/37 : Автор(ы): A. Harrington, G.A. Daneri, A.R. Carlini, D.S. Reygert and A. Corbalán (Argentina)
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Population status of Ross Sea killer whales (Orcinus orca, Type C) in McMurdo Sound, Antarctica, based on photo-identification studies
-eating ecotype, in McMurdo Sound, Antarctica, during 7 seasons, over a 14-year period from 2001/02 to ... 2014/15. Using photo-identification methods, we identified 352 individual RSKWs in the Sound and up to ... toothfish (Dissostichus mawsoni) may have led to a marked decline RSKW numbers in the southwestern Ross Sea ... , our analysis suggests that at least the resident killer whale population in McMurdo Sound is stable ...
Meeting Document : WG-EMM-16/50 : Автор(ы): R. Pitman, H. Fearnbach and J.W. Durban
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Using data recorded during commercial krill fishing in Feedback Management
same time the data might inform about patterns in the ecosystem of importance to FBM. Similarly ... distribution and abundance of krill in the South Orkney Islands. However, due to the lack of survey design ... might inform about some of this uncertainties. In this paper we discuss how the information of these two ... papers can be used in an operational FBM. Author(s): O.R. Godø, G. Skaret and E. Niklitschek Title ...
Meeting Document : WG-EMM-16/74 : Автор(ы): O.R. Godø, G. Skaret and E. Niklitschek
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An outline of narrowband echosounder survey methods to estimate biomass of Antarctic krill in CCAMLR Division 58.4.1 during 2018/19 season by the Japanese survey vessel, Kaiyo-maru
will be conducted in CCAMLR Division 58.4.1 during 2018/19. The biomass estimation will be conducted ... in 2000 as the CCAMLR-2000 survey. Quantitative echosounders has evolved since then and a current ... CCAMLR standard will be employed in the analysis but utility of 70 kHz data will also be investigated ... discussed at ICES WGFAST and this aspect will also be investigated in this survey. Author(s): K. Abe, K ...
Meeting Document : SG-ASAM-18/02 : Автор(ы): K. Abe, K. Amakasu, R. Matsukura, T. Mukai and H. Murase
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Candidate baseline data for ecosystem indicators in the Ross Sea region
development. That plan will identify key research questions that aid in assessing the MPA’s efficacy in ... indicate the current status of marine ecosystems in the Ross Sea region. These data could then be used as ... species which were identified in the draft Research and Monitoring Plan presented to the Scientific ... . Watters Title: Candidate baseline data for ecosystem indicators in the Ross Sea region Approval ...
Meeting Document : WS-SM-18/02 : Автор(ы): A. Dahood and G.M. Watters
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