Résultats de la recherche

1. Preliminary studies on age, growth and size at sexual maturity of Dissostichus eleginoides in the Ob-Lena Bank in the 2007/08 season

   of otolith readings by experienced readers of AAD. One of these is that the first ring was generally ... rate and reached a larger size than males. The individuals with 80 cm total length, which are generally ... hand, the age at 50 % maturity for females and males was estimated to be 12.3 and 12.5 year ... , respectively, assuming animals with maturity stage > I. However, the results in reading for 40 reference ...

   Meeting Document : WG-FSA-11/16 : Auteur(s): K. Taki, T. Iwami and M. Kiyota (Japan)

2. e-cc-xxi-a5-appIII.pdf

   ... purposes. 15. The group agreed that conversion factors need to be employed with caution until such time ... CDS data, and recommended that the current format be adopted as the standard for reporting. The ... . The group agreed that the current conversion factors should continue to be used until additional ... was expressed about the potential for commercially confidential data to be revealed, noting that such application/pdf attached to:CDS Informal Group

   Meeting Report : CDS Informal Group

3. Observations of demersal fish, benthic communities and seafloor composition of the Southern Ocean Atlantic sector from the ICEFISH 2004 cruise

   invertebrate species composition between island groups was observed, with the greatest differences between the ... the different community structure. Due to mixed gear selectivity and possible avoidance, it was not ... , estimates of benthic invertebrate densities by station were computed and maps generated that provide ...

   Meeting Document : WG-FSA-04/61 : Auteur(s): C.D. Jones, S.J. Lockhart and D.F. Doolittle (USA)

4. By-catch of juvenile fishes – the Antarctic krill fishery

   together with the massive antarctic krill exploitation during the 80's. There has been recognized ... larvae that use (or co-occurred) the krill swarms as their habitat. The detection of this problem started ... quantitative evaluations that give evidences that this technological interaction, is affecting the recovery of ... over-exploited populations or that commercial or noncommercial populations are diminishing. Author(s ...

   Meeting Document : WG-FSA-96/18 : Auteur(s): Moreno, C.A.

5. Mackerel icefish Champsocephalus gunnari in the diet of upper trophic level predators at South Georgia: implications for fisheries management

   dominant mode at 180-200 mm total length (1+ age class), with strong cohorts entering the population in ... 1993, 1996, 1999 and 2001. A recruitment index based on the contribution by mass of the 1+ age-class in ... (s):  K. Reid, S. Hill and T. Diniz (United Kingdom) Title:  Mackerel icefish Champsocephalus gunnari ...

   Meeting Document : WG-FSA-03/74 : Auteur(s): K. Reid, S. Hill and T. Diniz (United Kingdom)

6. Assessment models for Antarctic toothfish (Dissostichus mawsoni) in SSRU 882E including data from the 2005/06 season

   estimated to be 352 t for the reference case and 366 t for the all vessels case, assuming a future fishing ... respectively). Model fits to the data were adequate, with the tag-release and recapture data providing the most ... MCMC estimates of initial (equilibrium) spawning stock abundance (B0) were very uncertain, with the ... and recapture data and the all vessel tag-release and recapture data (B0= 10 300 t and 9 530 t ...

   Meeting Document : WG-FSA-06/48 : Auteur(s): A. Dunn and S.M. Hanchet (New Zealand)

7. An assessment of the impact of krill fishery on penguins in the South Shetlands

   equivalent amount (3,000-10,000 t/10-day) for the following three months, with its increased fishing ... penguins is estimated to be large in the shelf and slope near King George Island (11,680 t/10-day), whereas ... into and out of the area, but high krill biomass (100-1000 x103t) usually existed there. Compared with ... small near Livingston (2,570 t/10-day) and Elephant (220 t/10-day) Islands. This little overlap between ...

   Meeting Document : WG-KRILL-93/07 : Auteur(s): T. Ichii, M. Naganobu and T. Ogishima (Japan)

8. e-sc-xxx-a04.pdf

   ... with significant consequence for observer workload, to the extent that it may not be possible to ... methods and seasons. 2.12 The Working Group acknowledged that the conversion factors to be used for the ... name of one vessel from Chile is yet to be advised. It was clarified that if the vessel is to ... 2011. It was also clarified that configuration of the vessel is expected to be very similar to the application/pdf attached to:WG-EMM-11

   Meeting Report : WG-EMM-11

9. The BROKE-West acoustic krill biomass survey of CCAMLR Division 58.4.2

   is intended to produce a new estimate of B0 for this Division so that a revised precautionary catch ... limit can be established by CCAMLR.. The survey will be conducted from a single ship and will consist of ... . Nicol, S. Kawaguchi, T. Jarvis and T. Pauly (Australia) Title:  The BROKE-West acoustic krill biomass ...

   Meeting Document : WG-EMM-05/11 : Auteur(s): S. Nicol, S. Kawaguchi, T. Jarvis and T. Pauly (Australia)

10. Assessment and tag program adaption methods for exploratory fisheries in the CAMLR Convention Area: an example application for Division 58.4.3a

    exploratory stocks in the CAMLR Convention Area. The assessment methodology is designed to be able to ... abundance estimator, is defined whereby catch limits and tagging rates can be adjusted together to define ... tagging levels that will produce an expected abundance estimate in the following year of a given precision ... eleginoides) in Division 58.4.3a with catch limit and tag-rate recommendations being made given the assessment ... would be useful to have a simpler alternative framework that can deal with less-detailed data but will ... variation would then be given by ˆ 1 2 1 T R C R CV N T R C (11) if one assumes that N >> 1. The ... defined whereby catch limits and tagging rates can be adjusted together to define tagging levels that ... -structured stock assessments, of differing features and com- plexities, that can deal with the large amount ...

    Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 101–113 : Auteur(s): Hillary, R.M

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