Search results
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The case for including the Ross Sea continental shelf and slope in a Southern Ocean network of marine protected areas
) meeting in South Africa this year. The Antarctic and Southern Ocean Coalition (ASOC) proposes, in part ... the regions recognized by CCAMLR through the bioregionalisation process in 2008, and by the Antarctic ... Organization’s (UNESCO) World Heritage Sites. The Ross Sea is of high global importance in terms of its ... et al. 2008). If protected it would be the highest latitude habitat represented in a comprehensive ...
Meeting Document : CCAMLR-XXIX/BG/26 : Author(s): ASOC Observer
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Revised assessment models for Patagonian toothfish in research block C of Division 58.4.4, Ob and Lena Banks
assessments of Dissostichus eleginoides in research block C in Division 58.4.4 b following the recommendation ... models on the assumption that 22 % of IUU catch to the total observed across Division 58.4.4 occurred in ... IUU catch for both size- and age structured models. The age structured models were higher in each kind ... more convergence in MCMC posterior trace for B 0 compared to my previous versions. MCMC estimates for ...
Meeting Document : WG-FSA-14/23 : Author(s): K. Taki (Japan)
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On the very high likelihood of bycatch of ice krill (Euphausia crystallorophias) in the present-day fishery for Antarctic krill (E. superba)
fishery operates in geographic areas that overlap with the known range of Ice krill, that Ice krill and ... Antarctic krill can occupy similar depths in the water column, and that both species are morphologically ... have been included in the reported Antarctic krill catch. We conclude that the likelihood is ... Responsible Krill harvesting companies; our emphasis) achieved MSC re-certification in August 2015 (https ...
Meeting Document : WG-EMM-18/05 : Author(s): A.S. Brierley and R. Proud
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Long-term forecast of the conditions of krill (Euphausia superba Dana) fisheries in the Antarctic part of the Atlantic Ocean
Antarctic krill (tones per hour) as the major indicator of its abundance and density of concentrations in ... index of krill abundance in the first of the abovementioned areas and inversely linked with one in the ... concentrations of crustaceans in topographic whirlpools on the shelf of the South Orkney Islands and South ... (Euphausia superba Dana) fisheries in the Antarctic part of the Atlantic Ocean Approval: Approved ...
Meeting Document : WG-EMM-07/15 : Author(s): V.A. Bibik and V.A. Bryantsev (Ukraine)
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Estimates of bird by-catch by IUU vessels in Subarea 48.3, 1998–2001
rates in the illegal fishery, and that these were more likely to be similar to the bird catch rates made ... by other vessels in 1997. Including the Isabel data and weighting the bootstrap estimates of bird ... catch rate by the number of hooks observed leads to revised estimates of total catch in 1999, 2000 and ... bootstrapping option, which should be used by WG-FSA/IMAF in future estimates of bird bycatch rates are: a ...
Meeting Document : WG-FSA-03/56 : Author(s): D.J. Agnew (United Kingdom)
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How much is enough? analysis of the net sampling effort in the Elephant Island area necessary to adequately assess and describe krill and zooplankton assemblages during summer
Abstract: Data from 1995-1997 US Antarctic Marine Living Resources (AMLR) Program surveys in the ... interspecific relations of krill, salps and other macrozooplankton taxa in the Elephant Island area during ... comparisons are made to examine possible changes in sampling adequacy resulting from ecological changes ... relations of krill, salps, and other zooplankton taxa in the Elephant Island area. Author(s): Loeb, V ...
Meeting Document : WG-EMM-97/32 : Author(s): Loeb, V.
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Interactions between longline vessels and seabirds in Kerguelen waters and a method to reduce seabird mortality
Abstract: In recent years, a new longline fishery for the fish Dissostichus eleginoides has ... developped in the vicinity of South Georgia and Kerguelen islands, two internationally important breeding ... activity in Kerguelen waters in February 1994. Between 100 and 600 seabirds were always observed behind the ... Weimerskirch and Guy Duhamel (France) Title: Interactions between longline vessels and seabirds in Kerguelen ...
Meeting Document : WG-IMALF-94/12 : Author(s): Yves Cherel, Henri Weimerskirch and Guy Duhamel (France)
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Catch and effort data for the longline fishery in Subarea 48.3 – comparison of data reported to CCAMLR and data acquired by the UK between 1994 and 1996
around South Georgia were compared with data reported to CCAMLR and held in CCAMLR's longline ... as single records. A number of hauls yielding zero catches present in the data acquired by the UK ... have not been reported to CCAMLR. In 1996 less than 10% of the hauls showed large discrepancies between ... in reporting bycatch and incidental mortality of birds. Author(s): Parkes, G.B., Pearce, J., Agnew ...
Meeting Document : WG-FSA-97/37 : Author(s): Parkes, G.B., Pearce, J., Agnew, D.J.
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Rossii revisited: new information on the early history of the fishery for Notothenia rossii in Subarea 48.3
in Subarea 48.3 from 1966- 197 1, rather than just 1970 and 197 1 as previously reported. Previous ... unrealistic stock history considering that this stock was the first to be exploited in the Antarctic. A VPA ... using the new data suggests that unexploited biomass was over 900 000 tonnes, and declined in a manner ... gunnari, rather than N. rossii, and that 25% of the catch in 1969 was also C. gunnari. A VPA run with ...
Meeting Document : WG-FSA-95/17 : Author(s): Agnew, D.J.
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A simulation study of the method of refining the natural mortality coefficient with Champsocephalus gunnari in Subarea 48.3 used as an example
. As a result of this mathematical modelling study using C. gunnari in Area 48.3 as an example, it was ... shown that the proposed method facilitates such a refinement. When a mistake is made in the choice of ... natural mortality coefficient, the estimate of the free component in the equation will be other than zero ... . A bias in the estimate can be positive if the assumed natural mortality coefficient is less than the ...
Meeting Document : WG-FSA-91/25 : Author(s): P.S. Gasiukov and R.S. Dorovskikh (USSR)