Résultats de la recherche
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Validation of age determination in Notothenia coriiceps, by means of a tag-recapture experiment at potter cover, South Shetland Islands
Abstract: Of 409 Notothenia coriiceps specimens tagged and released at Potter Cove, South ... analysis between scales taken at recapture and otolith cross sections of the same individual allowed a ... coriiceps, by means of a tag-recapture experiment at potter cover, South Shetland Islands Approval ... Shetland Islands, in successive years from 1989 to 1992, 9 were recaptured at the same site after periods ...
Meeting Document : WG-FSA-94/12 : Auteur(s): E.R. Barrera-Oro and R.J. Casaux (Argentina)
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Stock assessment of the Patagonian toothfish, Dissostichus eleginoides, harvested by the French fishery at Kerguelen Islands (Division 58.5.1 of the CCAMLR)
Abstract: A stock assessment of the Patagonian toothfish (Dissostichus eleginoides) at Kerguelen ... datasets was integrated using the effective samples’ size calculated at the level of each haul. An ... research studies aiming at collecting more biological data and getting a better understanding of the ... assessment of the Patagonian toothfish, Dissostichus eleginoides, harvested by the French fishery at ...
Meeting Document : WG-FSA-11/28 : Auteur(s): A. Relot-Stirnemann (France)
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Models of tag shedding for double tagging as a function of time at liberty and approximate solutions for the single tagging model in CASAL
-estimates the correct proportion of fish that have retained at least one tag, and are therefore detectable ... , as a function of time at liberty. This over-estimation is shown to be significant and the ... Abstract: The model of tag shedding implicit in CASAL is that of Kirkwood and Walker (KW) (1984 ... software applies this model correctly for fish released with a single tag but does not have the facility at ...
Meeting Document : WG-SAM-11/12 : Auteur(s): S.G. Candy (Australia)
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Estimation of size at maturity and calculation of an appropriate size limit for male Paralomis formosa
tradeoff between goodness of fit and smoothness was used as an estimate morphometric size at maturity ... . Bootstrapping techniques provided a bias-corrected estimate of morphometric size at maturity (sBc) equal to 80 ... regulation set forth in CM 91/XIV, Paragraph 10. Author(s): Watters, G. Title: Estimation of size at ... Abstract: A number of weighted smoothing splines were fit to data on carapace length and size ...
Meeting Document : WG-FSA-96/35 : Auteur(s): Watters, G.
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Indicators of krill flux at various spatial-temporal based on the data of multi-year research carried out in the Scotia Sea. Comments on krill fishery management
under the influence of its drift at various spatial-temporal scales. Author(s): S. Kasatkina and V ... . Shnar Title: Indicators of krill flux at various spatial-temporal based on the data of multi-year ... Abstract: The subject of research was geostrophic circulation of water masses, spatial ... distribution of krill density, intensity of water flows (m³/s) and krill biomass (g/m³) transported by water ...
Meeting Document : WG-EMM-2019/58 : Auteur(s): S. Kasatkina and V. Shnar
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Monitoring of relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, South Shetland Islands, in years 2000 to 2003
Abstract: The monitoring program of demersal fish at inshore sites of the South Shetland Islands ... 1983-1999, is still evident. At Potter Cove, higher catches of N. rossii were obtained from 1991 to ... those found in the early 1980s. At Harmony Cove, the relative abundance of N. rossii showed an increase ... of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, South ...
Meeting Document : WG-FSA-03/89 : Auteur(s): E. Barrera-Oro, E. Marschoff, R. Casaux and B. Gonzalez (Argentina)
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Aspects of the ecology of the bigeye grenadier at South Georgia
hemisphere. The size at which 50% of females had started to mature (Lint 50) for M. holotrachys was 21cm (Lpa ... ) and occurred at around 9 years old. Estimates of natural mortality and Pauly’s growth performance ... Abstract: Aspects of the ecology of the Bigeye grenadier, Macrourus holotrachys caught as bycatch ... estimates suggest that M. holotrachys is a long lived and moderately slow growing species, reaching ages of ...
Meeting Document : WG-FSA-03/16 : Auteur(s): S.A. Morley, T. Mulvey, J. Dickson and M. Belchier (United Kingdom)
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Breeding biology and diet of pintado petrels Daption capense at Bouvetøya during the summer of 1996/97
success for the total 300 pairs of breeding Pintado Petrels at Nyrøysa was 59 %. Three study colonies were ... ., Cooper, J., Ryan, P. Title: Breeding biology and diet of pintado petrels Daption capense at Bouvetøya ... Abstract: A study on the breeding biology and diet of Pintado Petrels Daption capense was ... conducted at Nyrøysa, Bouvetøya, South Atlantic, from December 1996 to February 1997. Overall breeding ...
Meeting Document : WG-EMM-97/56 : Auteur(s): Isaksen, K., Huyser, O., Dyer, B.M., Cooper, J., Ryan, P.
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At-sea distribution and diet of an endangered top predator: links of white-chinned petrels with commercial longline fisheries
, during breeding period in 2006 and 2008. At-sea foraging distribution of white-chinned petrels was mainly ... . Weimerskirch Title: At-sea distribution and diet of an endangered top predator: links of white-chinned petrels ... conservation concern. To build conservation strategies it is essential to estimate likelihood of seabird ... bycatch and amount of overlap between bird’s foraging and commercial fishing areas. We tracked 21 adult ...
Meeting Document : WG-FSA-10/P01 : Auteur(s): K. Delord, C. Cotté, C. Péron, C. Marteau, P. Pruvost, N. Gasco, G. Duhamel, Y. Cherel and H. Weimerskirch
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Variants of the ASPM assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity which attempt to reconcile CPUE and catch-at-length data
discrepancy between the implications of the CPUE and the catch-at-length data regarding the current status of ... Abstract: Two variants of the ASPM assessment of the Prince Edward Islands toothfish resource are ... examined. One allows for the possibility of changes in somatic growth rate in response to increased food ... -recruitment relationship. A fit of the first variant yields the biologically implausible result of a decrease ...
Meeting Document : WG-FSA-SAM-04/12 : Auteur(s): Brandão, A., Butterworth, D.S.