Résultats de la recherche
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Revised assessment models for Patagonian toothfish in research block C of Division 58.4.4, Ob & Lena Banks for the years 1989/1990 to 2012/13
eleginoides in research block C in Division 58.4.4 b on the assumption of constant year class strength and no ... proportion of maturity index with stage 2+ and incorporated in the models. The median MPD estimates of the ... results are not yet robust, which may be caused by factors associated with growth parameters and IUU ... before (Len model), 2) age structured model using single age-length key (ALK) (AgeSing model), 3) age and ...
Meeting Document : WG-SAM-14/15 : Auteur(s): K. Taki (Japan)
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Analysis of the diet of Champsocephalus gunnari in Subarea 48.3, in late summer of years 1994–97, Dr E. Holmberg surveys
with/without food in the area of investigation didn't show a consistent pattern from year to year ... abundance; and high in 1946 and 1997, in line with the years of krill richness. This information is well in ... , phenomenon for which non consistent explanation was found. The variation of the diet with respect to the ... accord with independent information from acoustic surveys and krill dependent species monitored in the ...
Meeting Document : WG-FSA-97/48 : Auteur(s): Barrera-Oro, E., Marschoff, E., Casaux, R.
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ASSESSMENT MODELS FOR ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN SUBAREA 88.2 SSRU E FOR THE YEARS 2002/03 TO 2008/09
from different years. The use of the selected trips with the revised maturity ogive resulted in a ... the maturity ogive. Model fits to the data were adequate, with the tag-release and recapture data ... non-convergence in any of the models. The selected trips with the revised maturity ogive MCMC ... estimates of initial (equilibrium) spawning stock abundance (B0) were uncertain, with the median B0 ...
Meeting Document : WG-FSA-09/41 : Auteur(s): A. Dunn and S.M. Hanchet (New Zealand)
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Assessment models for Patagonian toothfish in research block 58.4.4b_1 (SSRU 58.4.4bC) for the years 1990-2014
year in OB_1a model were spurious. This suggests that Shinsei-maru No. 3 was learning operation in its ... at the estimates of OB_1b model, use of knife edge selectivity at fixed 8 year for disease mortality ... knife edge selectivity at 8 year for disease mortality in OB_2b model did not reduce the total objective ... observations in 2008 from OB_1a model (OB_1b model), and 3) modified OB_1b model as fix of fishing selectivity ...
Meeting Document : WG-SAM-15/25 : Auteur(s): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)
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Standardised CPUE analysis of the Antarctic toothfish (Dissostichus mawsoni) fishery in the Ross Sea for the years 1997/98 to 2005/06
fishing years. This report revises and updates the previous analysis with the addition of data from the ... yearly indices were relatively stable between 1998 and 2003, with a decline in 2004, and an increase in ... that have been in the fishery for at least 4 years. We estimate indices using both lognormal ... reasonable and were consistent between the models presented here and CPUE analyses for previous years. The ...
Meeting Document : WG-FSA-06/47 : Auteur(s): A. Dunn and S.M. Hanchet (New Zealand)
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Standardised CPUE analysis of Antarctic toothfish (Dissostichus mawsoni) fishery in the Ross Sea for the years 1997/98 to 2004/05
years in Subarea 88.1 and 88.2. This report revises and updates the previous analysis with the addition ... analyses for previous years. The yearly indices were relatively stable between 1998 and 2003, with a ... Antarctic toothfish (Dissostichus mawsoni) fishery in the Ross Sea for the years 1997/98 to 2004/05 Approval ...
Meeting Document : WG-FSA-05/32 : Auteur(s): A. Dunn and N.L. Phillips (New Zealand)
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Tests for anomalous years in the CCAMLR index series (draft)
discussed. In simple cases this method involves comparing a standardized residual with a critical value ... fitted linear regression line are compared with a critical value that is obtained on the assumption that ... Abstract: The properties of a method for detecting anomalous years in CCAMLR index series are ... anomalous years in the CCAMLR index series (draft) Approval: Approved ...
Meeting Document : WG-EMM-Stats-97/06 : Auteur(s): MacKenzie, D., Manly, B.F.
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Winter habitat selection by Antarctic krill will increase krill-predator-fishery interactions during ice free years
around the Antarctic Peninsula in winters with contrasting ice conditions provide the first acoustic ... estimates of krill biomass, habitat use, and association with top predators to examine these likely ... with Article II of the Convention for the Conservation of Antarctic Marine Living Resources. Author(s ... -krill-predator interactions during low ice years when ice obligate predators are habitat limited and ...
Meeting Document : WG-EMM-15/05 : Auteur(s): C.S. Reiss, A. Cossio, C.D. Jones, A. Murray, G. Mitchell, J. Santora, K. Dietrich, E. Weiss, C. Gimpel, J. Walsh and G.M. Watters (USA)
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Problems and prospects for the Convention on the Conservation of Antarctic Marine Living Resources twenty years on
CCAMLR’s inability to deal with the toothfish challenge) threaten to be repeated in the second-generation ... Abstract: Twenty years after its adoption, the Convention on the Conservation of Antarctic Marine ... Convention on the Conservation of Antarctic Marine Living Resources twenty years on Approval: Approved ...
Meeting Document : CCAMLR-XX/BG/18 : Auteur(s): Submitted by ASOC
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Descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in Subareas 88.1 & 88.2 for the years 2000–01 to 2014–15
Antarctic toothfish have moved long distances with exchange observed between Shelf, Slope and North habitats ... years, most vessels have achieved or exceeded the required tagging rate of one toothfish per tonne of ... toothfish (Dissostichus spp.) tagging programme in Subareas 88.1 & 88.2 for the years 2000–01 to 2014–15 ...
Meeting Document : WG-FSA-15/37 : Auteur(s): S.J. Parker and S. Mormede (New Zealand)