Résultats de la recherche

1. The Australian exploratory toothfish fishery in CCAMLR Division 58.4.2 and Subdivision 58.4.3b in season 2003/04

   Abstract:  The Australian longliner Eldfisk was authorised to conduct an exploratory fishery for ... catch weight. Of the two SSRUs in Division 58.4.2, bycatch was highest in SSRU E with 624 kg of total ... bycatch comprising around 4% of the total catch compared with 247 kg of total bycatch (4%) for SSRU D. In ...

   Meeting Document : WG-FSA-04/66 : Auteur(s): D. Erceg and E. van Wijk (Australia)

2. Integrating CPUE with the GY model: examination of the effects of shortening the CPUE series and incorporating elements of uncertainty into the D. eleginoides assessment of Subarea 48.3

   Abstract:  This year the Subgroup on assessment methods (SAM) requested that WG-FSA consider ... on the model used. These results indicate that the procedure for incorporating CPUE into the ... whether a shorter CPUE time-series would be preferable for use in its annual assessments. (WG-FSA-03/40 ... truncated towards the more recent years. The use of the standardised series from the GLMM of Candy (2003 ...

   Meeting Document : WG-FSA-03/96 : Auteur(s): I.R. Ball, S. Candy and A.J. Constable (Australia)

3. Relative abundance of large whales around South Georgia

   species were rare, with southern right whale sightings being the most common event. Two right whales ... particular feeding ground is the most likely reason for ongoing low numbers of all species. Other factors may ... include: competition for krill by traditional predators such as penguins and seals and more recently by ... humans, an unusually high rate of natural mortality, habitat change such as alteration in sea ice ...

   Meeting Document : WG-EMM-99/34 : Auteur(s): M.J. Moore (USA), S.D. Berrow (UK), B.A. Jensen (USA), P. Carr (UK), R. Sears (Canada) and V.J. Rowntree, R. Payne and P.K. Hamilton (USA)

4. Letter from the Co-conveners

   . Please note that the deadline for comments on the draft agenda is 30 April 2019. ... Committee and developed an agenda based on the workplan and newly requested topics (SC-CAMLR-XXXVI/BG/40 ... overwhelm the time available for the meeting. Therefore, the time allocated to discussions on these topics ... stock assessment review and the transition from local biomass estimates to the stock assessments for ... agenda, we encourage you, through your Scientific Committee Representative, to contact us to suggest an ...

   Document : Site Section: Meetings

5. A comparative morphometric analysis of sagittal otoliths of three icefishes (Channichthyidae) in Antarctic waters

   binarized images of left and right otoliths for fish ranging from 20 to 67 cm TL. To test for significant ... from the 20 harmonics analyzed were homoscedastic and normal, and showed very low level of correlation ... in the contour between both otolith pairs for each species (p<0.001). Similarly, EFS coefficients ... correct classification of 76, 96, and 89% for P. georgeanus, C. gunnari and C. aceratus. A link between ...

   Meeting Document : WG-FSA-18/47 : Auteur(s): G. Plaza, C. Rodríguez-Valentino and P.M. Arana

6. Catch per unit effort and proportional recruitment indices from Japanese krill fishery data in Subarea 48.1

   general decrease in krill density in the study area were considered as possible reasons for this. On the ... period. The use of different fishing strategies in response to a demand for higher product quality and a ... 48.1 (Antarctic Peninsula region) from 1980 to 1996 were calculated based on logbook data from Japanese ... et al. (1997) for two year classes: the 1991/92 year class, which showed apparently higher values ... than those obtained by Siegel, and the 1987/88 year class, for which proportional recruitment was ... results, discrepancies in proportional recruitment from two year classes were observed between our study ... Livingston Island area. Two reasons for this decreasing trend are suggested. One of the possible reasons is ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 47–63 : Auteur(s): Kawaguchi, S., T. Ichii and M. Naganobu

7. Biomass results from the International Synoptic Krill Survey in Area 48, 2019

   ), and trawls (164) were carried out as per survey procedures developed in 2018, which were based on the ... survey standing stock estimates. Krill areal density for the CCAMLR 2000 strata was 35.2 gm-2, producing ... a standing stock estimate of 72 mt with a sampling CV of 13%. For the AMLR strata the density was ... Status:  Content Approved Document Release Consent:  No Delegation responsibility for releasing documents ...

   Meeting Document : SG-ASAM-2019/08 Rev. 1 : Auteur(s): G. Macaulay, G. Skaret, T. Knutsen, O.A. Bergstad, B. Krafft, S. Fielding, S. Choi, S. Chung, K. Demianenko, V. Podhornyi, K. Vishnyakova, L. Pshenichnov, A. Chuklin, A. Shishman, X. Wang, X. Zhao and M. Cox

8. CEMP cameras data validation experiment at the Galindez Island gentoo penguins (Pygoscelis papua) colonies

   Abstract:  We inform on the results of data validation experiment provided for pictures from time ... the 2017-2018 season biologists winterers at Vernadsky station, situated at Galindez Island, provided ... Delegation responsibility for releasing documents:  Ukraine ...

   Meeting Document : WG-EMM-18/26 : Auteur(s): A. Dzhulay, V. Smagol, G. Milinevsky, I. Dykyy, A. Simon, M. Telipska, E. Dykyy and L. Pshenichnov

9. Diet variability and reproductive performance of macaroni penguins (Eudyptes chrysolophus) at Bird Island, South Georgia

   2010. Crustaceans were the main prey accounting for over 90 % of the diet by mass. Antarctic krill ... . frigida) in 2000. There was no clearly dominant prey group in 1999. The five-year average proportion of E ... (Euphausia superba) was the main prey in 17 out of 22 years. Amphipods (Themisto gaudichaudii) were the main ... gross energy content of individual meals was often above average in years when the diets contained fewer ...

   Meeting Document : WG-EMM-12/17 : Auteur(s): C.M. Waluda, S.L. Hill, H.J. Peat and P.N. Trathan (United Kingdom)

10. Biology and harvesting of Dissostichus eleginoides around the Kerguelen Islands (Division 58.5.1)

    from year to year and highly dependent on the harvestable resources of Champsocephalus gunnari. Vital ... biological information on population dynamics, as well as demographic structures and trends observed in an ... (Division 58.5.1) Abstract / Description:  Dissostichus eleginoides is becoming an increasingly important ... abundance index, is provided. Prospects for exploitation are discussed with respect to the development of ... well as demographic structures and trends observed in an abundance index, is provided. Prospects for ... ) recorded for the Kerguelen Islands fishery (Division 58.5.1) since the establishment of an EEZ. The ... establishment of an EEZ. Total and directed fishing effort (Western area) for Dissostichus eleginoides (in ... indicated with an arrow. Li~t of Figures Length frequency distribution of Dissostichus eleginoides for ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 85–106 : Auteur(s): Duhamel, G.

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