Résultats de la recherche
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Preliminary studies on age, growth and size at sexual maturity of Dissostichus eleginoides in the Ob-Lena Bank in the 2007/08 season
sampled by Observers were estimated last year. Then, we took several advice and comments about the methods ... rate and reached a larger size than males. The individuals with 80 cm total length, which are generally ... thought to begin to mature, corresponded to 10.6 year for females and 11.4 year for males. On the other ... hand, the age at 50 % maturity for females and males was estimated to be 12.3 and 12.5 year ...
Meeting Document : WG-FSA-11/16 : Auteur(s): K. Taki, T. Iwami and M. Kiyota (Japan)
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Criteria for aging the otoliths of Dissostichus eleginoides from South Georgia (Subarea 48.3) and an analysis of aging precision
fish, but C2 indicated that captured fish may be mostly young, between 3-9 years old. The low precision ...
Meeting Document : WG-FSA-98/52 : Auteur(s): J. Ashford (United Kingdom) and S. Wischniowski (Canada)
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Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?
(or “trigger level”), established in 1991, is 0.62 million tonnes year-1, equivalent to ~1% of the ... conservative estimates of the regional biomass in recent years. This suggests that the trigger level would be ... subarea, derived from the subarea catch limit, appears to exceed this level in up to 20% of years due to ... <3% because annual catches have been <50% of the regional trigger level since 1991. The subarea ...
Meeting Document : WG-EMM-16/21 : Auteur(s): S. Hill, A. Atkinson, C. Darby, S. Fielding, B. Krafft, O.R. Godø, G. Skaret, P. Trathan and J. Watkins
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Learning about Antarctic krill from the fishery
design associated with scientific surveys that have been obstacles for us to better understand krill ... early 1970s. Recent studies revealed its potential to be used as a unique source for scientific ...
Meeting Document : WG-EMM-07/P5 : Auteur(s): S. Kawaguchi and S. Nicol (Australia)
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Learning about Antarctic krill from the fishery
design associated with scientific surveys that have been obstacles for us to better understand krill ... early 1970s. Recent studies revealed its potential to be used as a unique source for scientific ...
Meeting Document : WG-EMM-06/24 : Auteur(s): S. Kawaguchi and S. Nicol (Australia)
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Valeur des ressources marines capturées dans la zone de la Convention de la CCAMLR – une évaluation de la valeur brute des produits
). In early 2016, noting specific direction from the Commission regarding additional consideration of ... considered appropriate in relation to the economics of harvests associated with CCAMLR fisheries. Author(s ...
Meeting Document : CCAMLR-XXXV/10 : Auteur(s): CCAMLR Secretariat
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Interannual variability in Antarctic krill (Euphausia superba) density at South Georgia, Southern Ocean: 1997 – 2013
the WCB in that year. WCB krill density (µ, mean density for the area) showed several years (1997-8 ... , 2001-2003, 2005-2007) of high values (µ > 30 g m-2) interspersed with years (1999-2000, 2004, 2009 ... every 4 to 5 years. Cross correlation analyses of variability in krill density with current and lagged ... estimates for a 17 year time series of acoustic surveys of the Western Core Box at South Georgia. Krill ...
Meeting Document : WG-EMM-14/P04 : Auteur(s): S. Fielding, J. Watkins, P. Trathan et al.
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The efficacy of video-based electronic monitoring technology for at-sea monitoring of the halibut longline fishery
between EM and observer was also evident with species utilization determination (i.e., kept or discarded ... using combined EM and observers on the same trip should occur in the ZN fishery to improve EM rockfish ...
Meeting Document : WG-FSA-03/100
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Assessment of the Patagonian Toothfish (D. eleginoides) in Subarea 48.3
35 years with 50% probability, with less than 1% probability declining below 20% of B0 and would ... . The 2008 year class is estimated to be well above average. Provisional projections indicate that a ... therefore be consistent with the CCAMLR decision rule. Author(s): T. Earl, M. Soeffker and C. Darby (United ... the current status of the stock is at 52% of B0. Spawning biomass has been increasing in recent years ...
Meeting Document : WG-FSA-15/59 : Auteur(s): T. Earl, M. Soeffker and C. Darby (United Kingdom)
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Spatial overlap of krill-dependent predators and krill fishery catches and a proposal for subdivision of catch limits in Subarea 48.1
might affect the distribution of fishing effort. A comparison of CEMP parameters from two years with ... overlap in Area 48, with particular emphasis on Subarea 48.1. We used habitat utilization data for ... in Subarea 48.1. In general, overlap of summer and winter foraging habitats with krill catches in ... a Subarea limit of 155,000 tonnes provides a catch consistent with the objectives of Article II of ...
Meeting Document : WG-EMM-14/36 : Auteur(s): J.T. Hinke, M.E. Goebel (USA), M.M. Santos (Argentina), P.N. Trathan (UK), W.Z. Trivelpiece and G.M. Watters (USA)