Résultats de la recherche
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Characteristics of krill aggregations in 48.4 subdivision during January–February 2000
Abstract: It has been showed that krill spatial distribution in 48.4 Subarea was characterized by ... type in relation to water mass structure and dynamics. The distributional features and physical ... characteristics of some 2400 krill swarms detected and sized acoustically in the study area have been described ... . Comparative results have been given between swarm parameter means in different areas and seasons. There has ...
Meeting Document : WG-EMM-01/42 : Auteur(s): S.M. Kasatkina, A.P. Malyshko, V.N.Shnar and O.A. Berezhinskiy (Russia)
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Seabird by-catch in the Patagonian toothfish longline fishery at the Prince Edward Islands: 1998–1999
Abstract: Longline fishing for Patagonian toothfish Dissostichus eleginoides in the South African ... Exclusive Economic Zone around the Prince Edward Islands commenced in 1996. This paper summarises seabird ... % more than the number of hooks set in 1997-98, but only 79 seabirds (150/0 of the total killed in 1997 ... birds per 1000 hooks, compared with 0.289 in 1996-97 and 0.117 in 1997-98. Comparisons between years for ...
Meeting Document : WG-FSA-99/42 Rev. 1 : Auteur(s): P.G. Ryan and B.P. Watkins (South Africa)
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A CHARACTERISATION OF THE TOOTHFISH FISHERY IN SUBAREAS 88.1 AND 88.2 FROM 1997/98 TO 2008/09
Abstract: The exploratory fishery for Dissostichus spp. has now been operating for 13 years in ... Subarea 88.1 and for 8 years in Subarea 88.2. During that time a large amount of distributional and ... characterise the general fishing patterns over time and, in particular, to identify possible changes to the ... in depth/location of fishing, and length and age structure of the population. The catch limit was ...
Meeting Document : WG-FSA-09/36 : Auteur(s): S.M. Hanchet, A. Dunn and S. Mormede (New Zealand)
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A brief characterisation of Patagonian toothfish tag survival and tag detection in CCAMLR Statistical Area 48.3
Abstract: Mark-recapture data is a central element in the assessment of population size and ... growth and the stock assessment for Patagonian Toothfish (Dissostichus eleginoides) in CCAMLR subarea ... 48.3 relies on accurate tagging samples for its assessment. The bias in tagging survival and tag ... detection is assumed to be minimal in the model, but this assumption has not previously been tested; a ...
Meeting Document : WG-FSA-13/29 : Auteur(s): M. Soeffker and R. Scott (United Kingdom)
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Interannual variability in Antarctic krill (Euphausia superba) density at South Georgia, Southern Ocean: 1997 – 2013
Abstract: This paper, now in press in ICES Journal of Marine Science, presents krill density ... targets were identified in acoustic data using the approved CCAMLR protocol, that is using a multi ... . Hence, only the densest krill swarms detected in any one year drove the mean krill density estimates for ... the WCB in that year. WCB krill density (µ, mean density for the area) showed several years (1997-8 ...
Meeting Document : WG-EMM-14/P04 : Auteur(s): S. Fielding, J. Watkins, P. Trathan et al.
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Revised proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2016 and 2017
estimating the relative abundance of sub-adult (<110 cm TL) toothfish in the core strata (A, B, C) in ... developed to monitor larger (sub-adult and adult) toothfish in McMurdo Sound and Terra Nova Bay, where ... , Italian and New Zealand scientists in these two areas. It is proposed to survey McMurdo Sound in 2016 and ... Terra Nova Bay in 2017 to match the timing and location of the sea-ice based work. Survey timing and ...
Meeting Document : WG-FSA-15/34 : Auteur(s): S.M. Hanchet, S.J. Parker, S. Mormede and R.J.C. Currey (New Zealand)
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Research plan for the 2016/17 exploratory longline fishery of Dissostichus spp. in Subarea 48.6 by South Africa and Japan
Abstract: South Africa and Japan made the next season’s (2016/17) research plan in Subarea 48.6 ... abnormal data for the two vessels in block 48.6_2, therefore we removed the data for the current analysis ... distribution of sizes, GSI and Fulton’s condition factors for D. mawsoni in Subarea 48.6 suggest that northward ... estimate the biomasses of D. mawsoni because the recaptures were concentrated in the southern area. In ...
Meeting Document : WG-SAM-16/07 : Auteur(s): Delegations of Japan and South Africa
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Reproductive ecology of Antarctic toothfish, Dissostichus mawsoni (Norman, 1937) (Actinopterygii: Nototheniidae), in the Antarctic waters (SSRUs 58 and 88)
Abstract: Total numbers of Antarctic toothfish collected in the CCAMLR Conservation Zone were 600 ... March, 2016. Female ratios were found to be 0.49 in both areas, showing higher female occurrence with ... was found to be 0.53, and displayed the tendency of increase with increase in the total length 140 cm ... . The type of ovarian development of Antarctic toothfish was group-synchronous type. The results in 2016 ...
Meeting Document : WG-FSA-18/65 : Auteur(s): J.-W. Kim, S.-G. Choi, S. Chung and D.H. An
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Some data pertaining to the distribution of Antarctic toothfish juveniles (Dissostichus mawsoni) in the Indian sector of the Antarctic
Abstract: Available in YugNIRO data concerning distribution of Antarctic toothfish juveniles in ... the Indian Sector of the Antarctic are used in the paper. In the summer period of the southern ... in catches of bottom and pelagic midwater trawls in all the studied continental seas from 12 to 144°E ... juveniles (Dissostichus mawsoni) in the Indian sector of the Antarctic Approval: Approved ...
Meeting Document : WG-FSA-97/19 : Auteur(s): Roshchin, E.A.
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IMPLEMENTATION OF THE SYSTEM OF INSPECTION AND OTHER CCAMLR COMPLIANCE-RELATED MEASURES IN 2009/10
IN 2009/10 INTRODUCTION This paper summarises information on the implementation of the System of ... data has been provided in CCAMLR-XXIX/BG/9, although details of some compliance-related aspects of ... fisheries-related conservation measures are summarised in paragraphs 7 to 13 of this paper. Information on ... the implementation and operation of the CDS has been provided in CCAMLR-XXIX/BG/8. Preliminary ...
Meeting Document : CCAMLR-XXIX/BG/07 : Auteur(s): Secretariat