Résultats de la recherche
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2003/04
(mainly Amblyraja georgiana) was only 19 t (less than 1% of the total catch1). Other bycatch species ... (including morid cods, icefish and moray cods) each contributed less than 1% of the catch overall. Because of ...
Meeting Document : WG-FSA-04/20 : Auteur(s): S.M. Hanchet, M.L. Stevenson, N.L. Phillips and P.L. Horn (New Zealand)
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Fish and invertebrate by-catch from Australian fisheries for D. eleginoides and C. gunnari in Division 58.5.2
represent less than 1% and 2% respectively, of the total catch weight (target and non-target species) in ... with distances travelled ranging between 1 and 7 nautical miles. The time at liberty varied between 208 ...
Meeting Document : WG-FSA-03/73 : Auteur(s): E.M. van Wijk and R. Williams (Australia)
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A RE-APPRAISAL OF THE TOTAL BIOMASS AND ANNUAL PRODUCTION OF ANTARCTIC KRILL
is estimated conservatively at 342-536 Mt y-1, based on three independent methods. These are high ... system and what is required to support an estimated predator consumption of 128-470 Mt y-1. Given the ...
Meeting Document : WG-EMM-08/17 : Auteur(s): A. Atkinson (United Kingdom), V. Siegel (Germany), E.A. Pakhomov (South Africa), M.J. Jessopp (United Kingdom) and V. Loeb (USA)
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Microincrement analysis in otoliths of Notothenia rossii fingerlings from the South Shetland Islands to estimate early life history timings and to validate annulus formation
, belonging to biological ages 0+ and 1+ that hatched respectively in summer and winter. The growth rate of N ... . Finally, early juveniles (age group 1+) hatched in July-August, entering in the cove the following year to ...
Meeting Document : WG-FSA-12/04 : Auteur(s): E. Barrera-Oro (Argentina) and M. La Mesa (Italy)
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Revised research plan for toothfish in Divisions 58.4.4 a and 58.4.4b by Shinsei maru No. 3 in 2012/13
using Lincoln-Petersen and CPUE comparison methods. The medial estimate using Lincoln-Petersen (1 725 ... ton) was smaller than that 1 928 tonnes estimated in the WG-FSA meeting in 2011 (SC-CAMLR XXX, Annext ...
Meeting Document : WG-FSA-12/58 Rev. 1 : Auteur(s): Delegation of Japan
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Assessment models for Patagonian toothfish in Division 58.4.4, SRU C on Ob and Lena Banks for the years 1989/90 to 2012/13
WG-SAM meeting as follows: 1)I included 2012 tag data (which was not used for model runs in WG-SAM-13 ... suitable for tagging. I made following four sensitive runs; 1)base, 2)25%_IUU, 3)100%_IUU and YCS models ...
Meeting Document : WG-FSA-13/35 : Auteur(s): K. Taki (Japan)
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Classification of Southern Ocean krill and icefish echoes using Random Forests
echograms and analysis of differences in mean volume backscattering strengths (S V; dB re 1 m-1) measured at ...
Meeting Document : WG-EMM-16/23 : Auteur(s): N. Fallon, S. Fielding and P. Fernandes
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Precision of growth band determination from eyestalk sections of Antarctic krill (Euphausia superba) preserved in formalin
value with the accumulation of reading runs. The estimated VBFGs were expressed as L t =60.50*(1-e-0.50 ... *(t-0.45)) for males and L t =69.59*(1-e-0.25*(t+0.58)) for females, respectively (note: those ...
Meeting Document : WG-EMM-18/P16 : Auteur(s): G.P. Zhu, Y. Yang, Q. Song and H.T. Zhang
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Further improvements in data quality (short note)
improve data quality: (1) validation of species’ spatial distributions; and (2) visualisation of data from ...
Meeting Document : WG-SAM-10/05 : Auteur(s): Secretariat
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Estimating fishing gear selectivity for trawlers using length-frequency data from concurrent commercial trawl and longline fishing for Patagonian toothfish in Division 58.5.2 and the ratio of their hazard functions
where this ratio is less than 1 defines the upper-arm of the trawl gear selectivity function. This model ... fitted trawl gear selectivity function showed a decline from 100% to 1% selection for a corresponding ...
Meeting Document : WG-FSA-06/35 : Auteur(s): S.G. Candy (Australia)