Résultats de la recherche

1. An examination of variance and sample size for female Antarctic fur seal trip durations

   trip duration for the first six trips to sea for 1997/98 (n = 30) and 1998/99 (n = 31) at Cape Shirreff ... , Livingston Island was used to calculate minimum sample sizes necessary to detect differences from year to ... year. A bootstrap function was used to examine the effect of sample size on variance. Currently CCAMLR ... -Ecosystem Monitoring Program Standard Method C 1.2 for measuring fur seal trip duration sets the sample size ...

   Meeting Document : WG-EMM-99/45 : Auteur(s): M.E. Goebel (USA)

2. Proposal for an extension to the mark-recapture experiment to estimate toothfish population size in the South of Subarea 48.4

   . Author(s):  J. Roberts and D. Agnew (UK) Title:  Proposal for an extension to the mark-recapture ... Abstract:  A three‐year tagging study in the South of Subarea 48.4 was initiated in the 2008/09 ... fishing season with the aims of  providing the data required for assessments of the population structure ... 20% of sets were undertaken during daylight hours and no bird entanglements or mortalities were ...

   Meeting Document : WG-FSA-10/40 : Auteur(s): J. Roberts and D. Agnew (UK)

3. Distribution, demography and discard mortality of crabs caught as by-catch in an experimental pot fishery for toothfish in the South Atlantic

   -catch in an experimental pot fishery for toothfish in the South Atlantic Approval:  Approved ... South Georgia of a method of fishing for toothfish (Dissostichus eleginoides) using pots. A significant ... area, had an intermediate depth distribution from 400 – 800m. P. formosa was present in shallow waters ... were discarded. Most crabs (>99% of P. formosa, >97% of P. spinosissima and >90% of P ...

   Meeting Document : WG-FSA-01/32 : Auteur(s): M.G. Purves (South Africa), D.J. Agnew, G. Moreno, C. Yau and G. Pilling (United Kingdom)

4. An evaluation of reduced target strength estimates reported for krill (Euphausia superba)

   target strength due to these weaknesses indicate an estimated 3-5 dB error due to unaccounted for ... . Macaulay (USA) Title:  An evaluation of reduced target strength estimates reported for krill (Euphausia ... important, given that they are being cited as a basis for increasing the estimates of krill standing stock ... directivity effects as a result of items under category 1; an estimated 2-3 dB bias due to systematic errors ...

   Meeting Document : WG-KRILL-90/13 : Auteur(s): M.C. Macaulay (USA)

5. An integrated stock assessment for the Crozet Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Subarea 58.6

   Abstract:  This paper presents an updated stock assessment for the Patagonian toothfish ... (Sinègre et al., 2017b), this assessment accounts for (1) updated data (2017/2018 & 2018/2019) (2 ... Title:  An integrated stock assessment for the Crozet Islands Patagonian toothfish (Dissostichus ... season 2018/2019 (End of August 2019). This updated assessment model is based on the best available data ...

   Meeting Document : WG-FSA-2019/57 Rev. 1 : Auteur(s): F. Massiot-Granier, G. Duhamel and C. Péron

6. An integrated stock assessment for the Kerguelen Island EEZ Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.1

   Abstract:  This paper presents an updated stock assessment for the Patagonian toothfish ... and C. Péron Title:  An integrated stock assessment for the Kerguelen Island EEZ Patagonian toothfish ... fishery data up to the end of the season 2018/2019 (end of August 2019). The updated assessment model is ... ). It also uses commercial data that account for fish removals (fishing mortality and depredation) and ...

   Meeting Document : WG-FSA-2019/58 : Auteur(s): F. Massiot-Granier, G. Duhamel and C. Péron

7. Estimation of size at maturity and calculation of an appropriate size limit for male Paralomis formosa

   maturity and calculation of an appropriate size limit for male Paralomis formosa Approval:  Approved ... 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 ... range of alternative size limits are likely to be feasible options for managing the P. formosa fishery ...

   Meeting Document : WG-FSA-96/35 : Auteur(s): Watters, G.

8. Preliminary investigations of an assessment model for skates and rays in the Ross Sea

   Abstract:  This report presents the data and preliminary results from developmental model for ... low numbers sampled each year. Most aspects of the tagging data were also uncertain including the ... numbers of skates scanned for tags. While updated summaries of the numbers of skate tag releases and ... is great uncertainty over the biological parameters including age and growth, natural mortality ...

   Meeting Document : WG-SAM-07/4 : Auteur(s): A. Dunn, S.M. Hanchet, S.L. Ballara and M.P. Francis (New Zealand)

9. Raw data and development of an annual index for parameter A1, adult weight on arrival at breeding colony

   data and development of an annual index for parameter A1, adult weight on arrival at breeding colony ...

   Meeting Document : WG-CEMP-90/08 : Auteur(s): Z.B. Stanganelli, H. Galelli, J.A. Scolaro and D.F. Vergani (Argentina)

10. An integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) in Division 58.5.2 using CASAL

    Abstract:  This paper further develops an integrated assessment for Patagonian toothfish in ... of the coefficient of variation (CV) for length given age, (ii) use of non-informative priors for ... year class strength parameters, (iii) separate selectivity parameters used for the pre-2006 compared to ... late (within-year) season compared to the combined early (within-year) seasons for the main trawl ...

    Meeting Document : WG-FSA-07/53 Rev. 1 : Auteur(s): S.G. Candy and A.J. Constable (Australia)

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