Résultats de la recherche
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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 ... greater similarity between the yields resulting from an assumption that the future fishing selectivity was ... equal to the current fishing selectivity and the assumption that future fishing selectivity was equal to ... the maturity ogive. Model fits to the data were adequate, with the tag-release and recapture data ...
Meeting Document : WG-FSA-09/41 : Auteur(s): A. Dunn and S.M. Hanchet (New Zealand)
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Reproductive analysis of Dissostichus mawsoni in SSRU 5841C-a for the exploratory longline fishery in 2012/13 of Korea
vulnerable with a big range of about 1,000-2,000 t per SSRU in 58.4.1. However, there is not enough data to ... 0.54 displaying the tendency increased with the total length became larger. The gonadosomatic index of ... of growing stage, initial vitellogenic oocytes with approximately 150 ㎛ of egg size was mainly ... spermatids that illustrated basophilic reaction in H-E staining within the expanded testicular cysts in the ...
Meeting Document : WG-SAM-13/27 : Auteur(s): I.J. Yeon, J.S. Lee, Y.J. Kwon, M.A. Jeon, S.K. Choi, K.J. Seok, D.W. Lee, K.Y. Ku and H.J. Kim (Republic of Korea)
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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
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)
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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)
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By-catch of juvenile fishes – the Antarctic krill fishery
together with the massive antarctic krill exploitation during the 80039;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.
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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)
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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)
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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)
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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)
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Antarctic krill fisheries management: "What's next?"
that could be used to do this, and ASOC encourages CCAMLR to develop a plan for discussion of these ... data collection by fishing operators and from CEMP will be critical to progressing FBM. Another ... outstanding need is the ability to quantify krill flux, a factor that creates considerable uncertainty for ... practice. Author(s): Submitted by ASOC Title: Antarctic krill fisheries management: "What039;s ...
Meeting Document : SC-CAMLR-XXXV/BG/18 : Auteur(s): Submitted by ASOC