Résultats de la recherche
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Review of CCAMLR activities on monitoring marine debris in the Convention Area
Abstract: The current status of national programmes on monitoring of marine debris and their ... ), King George Island, (South Shetland Islands) and Marion Island. The number of beached marine debris ... . The number of debris items has increased at Bird Island in 2006 and Signy Island in 2007, but ... decreased at King George Island in 2007. The majority of items reported were packaging materials, fishing ...
Meeting Document : SC-CAMLR-XXVI/BG/10 : Auteur(s): Secretariat
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Preliminary studies on age, growth and size at sexual maturity of Dissostichus eleginoides in the Ob-Lena Bank in the 2007/08 season
Abstract: Preliminary studies on the age, growth and size at sexual maturity of Dissostichus ... eleginoides sampled in the 2007/08 season in the Ob-Lena Bank were carried out. The ages of 214 of 3,013 fish ... of otolith readings by experienced readers of AAD. One of these is that the first ring was generally ... identified within the primordium and thus many of age counts were overestimated. The Japanese experienced ...
Meeting Document : WG-FSA-11/16 : Auteur(s): K. Taki, T. Iwami and M. Kiyota (Japan)
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Adoption of conservation and management measures
3.5.2 Extent to which CCAMLR has applied a precautionary approach as set forth in the Code of ... Conduct for Responsible Fisheries Article 7.5, including the application of precautionary reference points ... Recommendation Responsible body Activities to date Status 3.5.2.1 The requirements for conservation of habitats ... should be reviewed, including existing relevant CMs relating to habitat protection, use of fishing gear ...
Page : Site Section: The Organisation
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Research plan for the exploratory longline fishery for Dissostichus spp. in SSRUs C, E and G in Division 58.4.1 in 2012/13 (this is a revision of WG-SAM-12/10 Rev. 1)
range of about 1000-2000 t per SSRU in 58.4.1 and 100-1500 t per SSRU in 58.4.2. During the 2003-2007 ... . The foodweb of toothfish stared to be studied recently only in the southern Ross Sea. Base on CCAMLR’s ... effective utilities of the population and ocean. Therefore, Korea notifies the participation in exploratory ... /2015 using Korean commercial bottom longline vessel, NO.3 INSUNG in accordance with paragraph of CM 24 ...
Meeting Document : WG-FSA-12/39 : Auteur(s): Delegation of the Republic of Korea
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Progress towards an assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 882C–H for the years 2002/03 to 2017/18 using a two-area model
88.2C–G) comprising a mix of large mature fish and small immature fish. Two-area stock assessment models ... collect mark-recapture data in the South to inform the estimation of biomass in the South. Simulation work ... models including data from four years of recapture data from the South. The assessment models were fit to ... size of the population in the south and migration rates between areas. Biomass estimates are in ...
Meeting Document : WG-FSA-18/37 : Auteur(s): S. Mormede and S. Parker
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A comparison of model predictions from KPFM1 and KPFM2
Abstract: We compare two versions of the krill-predator-fishery model to demonstrate the extent ... to which the predictions of KPFM1 can be reproduced with KPFM2. We also discuss the incorporation of ... seasonality into parameter estimates and a necessary change in the predator recruitment function of KPFM2 ... logic of KPFM2 have not caused substantial changes in model results. In essence, KPFM1 has become a ...
Meeting Document : WG-EMM-06/20 : Auteur(s): J. Hinke, G. Watters (USA), S. Hill and K. Reid (United Kingdom)
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Report on a random stratified trawl survey to estimate distribution and abundance of Dissostichus eleginoides and Champsocephalus gunnari conducted in the Heard Island region (Division 58.5.2), May–June 2006
Abstract: Random stratified trawl surveys (RSTSs) of the distribution and abundance of demersal ... in May-June 2006 had two main aims: • to assess the abundance and size structure of juvenile and ... adult Dissostichus eleginoides on the shallow and deep parts of the Heard Island Plateau.] • to assess ... the abundance and size structure of Champsocephalus gunnari on the Heard Island Plateau This paper ...
Meeting Document : WG-FSA-06/42 Rev. 1 : Auteur(s): G.B. Nowara, R. Williams and T. Lamb (Australia)
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Stratification of catch-at-length data using tree based regression: an example using Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea
Abstract: This paper presents a new approach to the stratification of catch-at-length data of ... sampled catch based on the median length of Antarctic toothfish for each set using the observer length ... frequency data. The median lengths were weighted within the regression by the inverse of the variance ... regions, consisting of shallow inshore regions where predominantly smaller fish were found, to deeper ...
Meeting Document : WG-FSA-SAM-05/8 : Auteur(s): N.L. Phillips, A. Dunn and S.M. Hanchet (New Zealand)
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Spectra analysis of Drake Passage Oscillation Index (DPOI) from 1952 to 2003, Antarctica
Abstract: An assessment of the environmental processes influencing variability in the recruitment ... and density of Antarctic krill (Euphausia superba DANA) is important as variability in krill stocks ... krill recruitment and density with hypothesized environmental factors; strength of westerly winds ... , Argentina, and Base Esperanza, at the tip of the Antarctic Peninsula, sea ice cover and chlorophyll-a in the ...
Meeting Document : WG-EMM-04/46 : Auteur(s): M. Naganobu and K. Kutsuwada (Japan)
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Genetic analysis of Antarctic toothfish samples from the Southern Ocean to explore potential stock boundaries
restriction enzyme digests of nine sub regions of the mitochondrial genome. Polymorphisms were found in four ... out of seven introns digested with the restriction enzymes, but there was no population ... differentiation among the three sea areas. While direct sequencing of cytochrome b (665 base pair) showed ... virtually no variation, sequences for ~600 bp of the left domain of the control region showed nucleotide ...
Meeting Document : WG-FSA-04/32 : Auteur(s): P.J. Smith, S.M. McVeagh (New Zealand) and P.M. Gaffney (USA)