Résultats de la recherche

1. Progress report (2009–2010) on the action plan aimed at reducing seabird by-catch in the French EEZs in Statistical Division 58.5.1 and Subarea 58.6

   Progress report (2009–2010) on the action plan aimed at reducing seabird by-catch in the French ...

   Meeting Document : SC-CAMLR-XXIX/14 : Auteur(s): Delegation of France

2. Experimental evaluation of the effectiveness of weighting regimes in reducing seabird by-catch in the longline toothfish fishery around South Georgia

   seabird by-catch in the longline toothfish fishery around South Georgia Abstract / Description:  A series ... used. Therefore to minimise seabird by-catch, line-weighting regimes of at least 8.5 kg at 40 m ... intervals should be used. Results suggested that seabird by-catch on lines using effective weighting regimes ... EVALUATION OF THE EFFECTIVENESS OF WEIGHTING REGIMES IN REDUCING SEABIRD BY-CATCH IN THE LONGLINE ... when 12.75 kg was used. Therefore to minimise seabird by-catch, line-weighting regimes of at least 8.5 ... kg at 40 m intervals should be used. Results suggested that seabird by-catch on lines using ... , weighting regime, toothfish, seabirds, by-catch reduction, CCAMLR INTRODUCTION Longline fishing for ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 119–131 : Auteur(s): Agnew, D.J., A.D. Black, J.P. Croxall and G.B. Parkes

3. Analysis of variability of krill size and fish by-catch in the Japanese krill fishery based on scientific observer data

   Paper Title:  Analysis of variability of krill size and fish by-catch in the Japanese krill ... from fishery process as observation error. In both krill length and by-catch fish number, the ... Bayesian model. For both krill length and by-catch fish number, vessel sample size shows marked effects on ... VARIABILITY OF KRILL SIZE AND FISH BY-CATCH IN THE JAPANESE KRILL FISHERY BASED ON SCIENTIFIC OBSERVER DATA ... length and by-catch fish number, the parameters estimated by the Markov chain Monte Carlo (MCMC) method ... the variance terms derived from the Bayesian model. For both krill length and by-catch fish number ... -catch fish are the focus of this study, because the former provides important information on ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 31–47 : Auteur(s): Okuda, T. and M. Kiyota

4. Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald Islands using catch-at-age and aged mark-recapture data from the main trawl ground

   Islands using catch-at-age and aged mark-recapture data from the main trawl ground Abstract / Description ... adopted whereby the relatively long time series of catch-at-age and mark-recapture data from the main ... trawl ground at HIMI were used to estimate M. Catch and releases by age class for this fishery were ... . These are the BODE model (Baranov ODE) and the CCODE model (constant catch ODE). The CCODE model is a ... catch-curve data from the Ross Sea fishery using the Chapman- Robson estimator (Dunn et al., 2006). A ... recent update of the HIMI integrated assess- ment using comprehensive ageing data for the catch, CCAMLR ... hEard and mcdonald Islands usIng catch-at-agE and agEd mark-rEcaPturE data from thE maIn trawl ground ... time series of catch-at-age and mark-recapture data from the main trawl ground at HIMI were used to ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 29–45 : Auteur(s): Candy, S.G., D.C. Welsford, T. Lamb, J.J. Verdouw and J.J. Hutchins

5. Estimation of natural mortality using catch-at-age and aged mark-recapture data: a multi-cohort simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation.

   Paper Title:  Estimation of natural mortality using catch-at-age and aged mark-recapture data: a ... , using multiple cohorts and multiple years of catch-at-age and aged mark-recapture data was tested using ... ; constant catch ODE (CCODE) model uses a new total mortality ODE with constant within-year catch per unit ... function parameters. It removes the actual, considered known, catch-at-age numbers directly from the ... Science, Vol. 18 (2011): 1–27 Estimation of natural mortality using CatCh-at-agE and agEd mark ... multiple cohorts and multiple years of catch-at-age and aged mark-recapture data was tested using ... ‘fully parametric’ BODE model is based on the Baranov ODE while the ‘semi-parametric’ constant catch ODE ... (CCODE) model uses a new total mortality ODE with constant within-year catch per unit time and does not ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 1–27 : Auteur(s): Candy, S.G.

6. Catch per unit effort (CPUE) data from the early years of commercail krill fishing operations in the Atlantic sector of the Antarctic

   Paper Title:  Catch per unit effort (CPUE) data from the early years of commercail krill fishing ... operations in the Atlantic sector of the Antarctic Abstract / Description:  Catch per unit effort (CPUE) data ... CCAMLR Science, Vol. 5 (1998): 31-50 CATCH PER UNIT ... Catch per unit effort (CPUE) data are presented from krill fishing operations in CCAMLR Subareas 48.1 ... . Keywords: krill, Eupkausia superba, Scotia Sea, catch per unit effort, CPUE, length-frequency ... distributions, CCAMLR INTRODUCTION (ii) mean catch/hour for the fishing season; and Commercial krill fishing ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 31–50 : Auteur(s): Siegel, V., V. Sushin and U. Damm

7. Catches from IUU fishing of Dissostichus spp. and unregulated seabird by-catch (Extracts from SC-CAMLR-XVIII, Annex 5 – report of WG-FSA)

   Title:  Catches from IUU fishing of Dissostichus spp. and unregulated seabird by-catch (Extracts ...

   Meeting Document : SCOI-99/15

8. Species composition of by-catch in catches of Electrona carlsbergi taken during commercial/research fishing north of South Georgia Island in 1987-89

   Author(s):  VNIRO (Russia) Title:  Species composition of by-catch in catches of Electrona ...

   Meeting Document : WG-FSA-92/12 : Auteur(s): VNIRO (Russia)

9. By-catch of fishes captured by the krill fishing vessel Chiyo Maru No. 2 in Statistical Area 58 (January to March 1995)

   Paper Title:  By-catch of fishes captured by the krill fishing vessel Chiyo Maru No. 2 in ... . Unfortunately, Armstrong's fish by-catch data were not presented in a standardised manner. This paper ... presents a brief re-analysis of the by-catch data collected on board the Chiyo Maru No. 2; means and ... were caught per hour of towing. Confidence intervals for mean by-catch estimates are wide suggesting ... CCAMLR Science, Vol. 3 (1996): 111-123 BY-CATCH OF ... fish by-catch data were not presented in a standardised manner. This paper presents a brief re ... -analysis of the by-catch data collected on board the Chiyo Mnru No. 2; means and variances are calculated ... of towing. Confidence intervals for mean by-catch estimates are wide suggesting that, in the future ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 111–123 : Auteur(s): Watters, G

10. Modelling catch and effort data using generalised linear models, the Tweedie distribution, random vessel effects and random stratum-by-year effects

    Paper Title:  Modelling catch and effort data using generalised linear models, the Tweedie ... standard method for modelling catch and effort data for Patagonian toothfish (Dissostichus eleginoides) for ... CCAMLR areas is to model the haul-by-haul ratios of catch to effort as the response variable in a ... function. An alternative GLM with a more rigorous theoretical basis is introduced here. Catch is modelled ... (2004): 59–80 59 MODELLING CATCH AND EFFORT DATA USING GENERALISED LINEAR MODELS, THE TWEEDIE ... current standard method for modelling catch and effort data for Patagonian toothfi sh (Dissostichus ... eleginoides) for CCAMLR areas is to model the haul-by-haul ratios of catch to effort as the response variable ... . Catch is modelled as the response variable using a GLM with a power variance function, with the power ...

    Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 59–80 : Auteur(s): Candy, S.G

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