Search results
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JAPANESE SCIENTIFIC OBSERVER ACTIVITIES FOR KRILL FISHERY IN CCAMLR CONVENTION AREA FROM 2003/04 TO 2007/08 FISHING SEASONS
concentrated to the Subarea 48.3. The observer coverage was 32.2 – 51.4 %, and exceeded 50 % in 2007/08 season ... bycatch species in order to ensure their skill in data and sample collection. Resultant data and samples ... the krill samples revealed the occurrence of black-spot disease in Antarctic krill and its relation to ... FISHERY IN CCAMLR CONVENTION AREA FROM 2003/04 TO 2007/08 FISHING SEASONS Approval: Approved ...
Meeting Document : WG-EMM-09/19 : Author(s): M. Kiyota and T. Iida (Japan)
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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 : Author(s): A. Brandão and D.S. Butterworth (South Africa)
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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 : Author(s): G.B. Nowara, T.D. Lamb and D.C. Welsford (Australia)
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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 : Author(s): 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 : Author(s): 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 : Author(s): 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 : Author(s): A. Dahood and G.M. Watters
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Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica
toothfish in the Ross Sea (Areas 88.1 and 88.2). Biological data from 303 returned specimens was collected ... showed no significant difference in sex ratio. Meristic, diet and age data were consistent with previous ... calculated and plotted against sample month. There was a weak positive trend in GSI between December and ... . Counts of growth zones in sectioned otoliths were used to determine ages and von Bertalanffy growth ...
Meeting Document : WG-FSA-07/25 : Author(s): C.P. Sutton, M.J. Manning, D.W. Stevens, P.M. Marriott (New Zealand)
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Mercury concentrations in Patagonian toothfish, Dissostichus eleginoides Smitt 1898, among three distinct ocean basins
mackerel, that are considered high in Hg concentration by the U.S. Food and Drug Administration. In ... contrast, those from the Atlantic basin were found to have similar lower values in fish like haddock ... , halibut, cod, albacore tuna, and orange roughy. Explanation of these geographical differences in Hg may be ... hydrographic barrier, as suggested in other studies on Patagonian toothfish, to anthropogenic sources of ...
Meeting Document : WG-FSA-06/24 : Author(s): K. Dawson Guynn and M.S. Peterson (USA)
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Foraging interactions of wandering albatrosses Diomedea exulans breeding on Marion Island with longline fisheries in the southern Indian Ocean
Wandering Albatrosses breeding on Marion Island in order to assess the scale of interactions with known long ... island, in warmer waters, and showed high spatial overlap with areas of intense tuna Thunnus spp. long ... items. Independent of these seasonal differences, females foraged farther from the islands and in warmer ... in the survival probabilities of males and females. Non-breeding birds foraged in warmer waters and ...
Meeting Document : WG-FSA-01/10 : Author(s): D.C. Nel, P.G. Ryan, J.L. Nel, N.T.W. Klages (South Africa), R.P. Wilson (Germany) and G. Robertson (Australia)