Resultados de la búsqueda
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Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia
model incorporates the facility for releases by box over a number of years. The model performed as ... magnitude of the estimated bias to correct the tagging estimate made last year for 48.3, we do conclude that ... uneven distribution of animals was simulated by adjusting an average movement rate downwards when animals ... expected with test situations. It produced a near-perfect estimate of stock size when there was an ideal ...
Meeting Document : WG-FSA-SAM-05/6 Rev. 1 : Autor(es): D.J. Agnew, G.P. Kirkwood, J. Pearce and J. Clark (United Kingdom)
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Reports on abundance and biological information on toothfish in Division 58.4.4 a and b by Shinsei Maru No. 3 in 2010/11 season
Abstract: A survey was conducted in order to collect information for the stock status and various ... longline vessel, Shinsei Maru No. 3, from March 30 to May 2, 2011. The survey was undertaken according to ... 93.6 % to the total catch. CPUEs of D. eleginoides for 56 hauls where only trotline system was adopted ... the CPUE in terms of number was same level between the years. This may be due to the catch of small ...
Meeting Document : WG-SAM-11/06 : Autor(es): K.Taki, T. Iwami and M. Kiyota (Japan)
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Analysis of the krill fishery in Subarea 48.1 considering trawl fishing method used (2010–2016)
Abstract: An analysis of spatio-temporal variability of CPUE indices in the krill fishery in ... subarea 48.1 by years and small-scale management units, including inter-annual, monthly and inter-vessel ... using the standardized CPUE indices as krill biomass density indices for monitoring the variability of ... biomass during the fishing season did not decrease and even often increased there. The latter is an ...
Meeting Document : WG-EMM-17/27 : Autor(es): S. Kasatkina S. and L. Boronina
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Distribution and abundance of skates (Bathyraja spp.) on the Kerguelen Plateau through the lens of the toothfish fisheries
the southern Indian Ocean. Data from fishery observations for 1997 to 2014 shows that the three skates ... , appear to provide effective protection for the skates, at least in the shallower waters where the trawl ... decline in catch rate over the years of the HIMI fishery. Although all skates are returned to the water ... Kerguelen in the time period. This study provides the first review of skate by-catch across both the HIMI ...
Meeting Document : WG-FSA-16/P03 : Autor(es): G.B. Nowara, P. Burch, N. Gasco, D.C. Welsford, T.D. Lamb, C. Chazeau, G. Duhamel, P. Pruvost, S. Wotherspoon and S.G. Candy
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Joint report on exploratory fishing in Divisions 58.4.1 and 58.4.2 between the 2011/12 and 2017/18 fishing seasons
2018 will be submitted to WG-FSA-18. The summaries provided herein were generated using an R-Markdown ... Abstract: Robust stock assessments and catch limits for Dissostichus mawsoni according to CCAMLR ... decision rules remain to be determined for Divisions 58.4.1 and 58.4.2, and precautionary management ... multi-member toothfish exploratory fishery research plan for these Divisions, including research ...
Meeting Document : WG-SAM-18/35 Rev. 1 : Autor(es): Delegations of Australia, France, Japan, Republic of Korea and Spain
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Distribution, biological characteristics and biomass of mackerel icefish based on the results of the trawling survey carried out at RV Atlantida in February 2000
length and 2-3 years old predominated. Fish biomass distributed near the bottom estimated with different ... proportion distributing near the bottom at that moment. It is proposed to review the survey method ...
Meeting Document : WG-FSA-00/51 : Autor(es): Zh.A. Frolkina and P.S. Gasiukov (Russia)
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Spatio-temporal variability in the winter diet of larval and juvenile Antarctic krill, Euphausia superba, in ice-covered waters
Abstract: Antarctic krill Euphausia superba is an ecological key species in the Southern Ocean ... and a major fisheries resource. The winter survival of age class 0 (AC0) krill is susceptible to ... potentially important factor for AC0 krill winter survival. Author(s): F.L. Schaafsma, D. Kohlbach, C. David ... : Approved Secretariat Workflow Status: Content Approved Delegation responsibility for releasing documents ...
Meeting Document : WG-EMM-18/P18 : Autor(es): F.L. Schaafsma, D. Kohlbach, C. David, B.A. Lange, M. Graeve, H. Flores and J.A. van Franeker
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Preliminary report of sound-speed contrast and density of krill measured on board RV Kaiyo Maru
characteristics of the TS. For the calculation by the acoustical scattering model, the information of size ... ) and the other is the ratio of the sound speed in animal to that in the surrounding water (sound-speed ... contrast.). Although these parameters are inevitable for the model calculation, the reports of them are ...
Meeting Document : WG-EMM-05/36 : Autor(es): Y. Takao, H. Yasuma, R. Matsukura and M. Naganobu (Japan)
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Distribución provisional del nivel crítico de captura para la pesquería de Euphausia superba en las Subáreas estadísticas 48.1, 48.2, 48.3 y 48.4
an economic damage to the krill fishery. Author(s): Delegation of Ukraine Title: On interim ... distribution of the trigger level in the fishery for Euphausia superba in statistical Subareas 48.1, 48.2, 48.3 ... and 48.4 Microsoft Word File: e-cc-xxxv-30.docx Approval: Approved Secretariat Workflow Status ... : Content Approved Delegation responsibility for releasing documents: Ukraine ...
Meeting Document : CCAMLR-XXXV/30 : Autor(es): Delegation of Ukraine
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Population status of Ross Sea killer whales (Orcinus orca, Type C) in McMurdo Sound, Antarctica, based on photo-identification studies
175 there annually. Despite high turnover of different whales between years, we used a Bayesian mark ... -recapture approach to identify a seasonal ‘resident’ population with an average annual abundance of 55 ... individuals resighted over 2-14 years. Contrary to recent reports that commercial overfishing of Antarctic ... Approval: Approved Secretariat Workflow Status: Content Approved Delegation responsibility for releasing ...
Meeting Document : WG-EMM-16/50 : Autor(es): R. Pitman, H. Fearnbach and J.W. Durban