Résultats de la recherche
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Results of a research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea, February 2012
survey had an overall c.v. of 9%, which met the target c.v. of 10%. The survey caught mainly 70–110 cm TL ... San Aotea II and its sister ship Janas in earlier years of the fishery. The results of a standardized ...
Meeting Document : WG-SAM-12/29 : Auteur(s): S.M. Hanchet, S. Mormede, A. Dunn (New Zealand) and H.-S. Jo (Republic of Korea)
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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 ... 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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Growth and natural mortality of Patagonian rockcod (Patagonotothen guntheri shagensis) from Shag Rocks shelf
Patagonian rockcod were found to be 2.5 years and 12.6 cm. File: 09-Shilbanov.pdf ... of 2 to 5 years are most abundant. Sexual maturity is attained by fish at 11 to 13 cm length, 20 to ... 30 g weight and age of 2 to 3 years. The sex ratio of fish is actually the same in all size classes ... - t' mean age of fish, 3.42 years age of year class which is fully represented in catches and does ... years The analysis of the age composition curve shows that not all two year old fish were represented ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 111–121 : Auteur(s): Shlibanov, V.I.
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Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, South Shetland Islands, after commercial fishing in the area
inshore sub-populations of N. rossii and G. gibberifrons over the last 16 years was most probably caused ... defined as the period from 1 May to 30 April next year. Variance was normalised using the trans ... performed on total and relative catches taken at PC are shown in Table 1. Split-year (1 May to 30 April ... of catch date (Epanenchikov kernel, bandwidth = 0.15), together with the observed split-year mean ... abundance were analysed using an ANOVA design, grouping the hauls on a sp1it;year basis. The split-year is ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 43–52 : Auteur(s): Barrera-Oro, E.R., E.R. Marschoff and R.J. Casaux
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A proposed management procedure for the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity
future projections over a 20-year period, and in particular the following four statistics which were ... 20-year projec- tion period is zero under all OMs except for the Pessimistic one for which it is ... Bsp over the 20-year pro- jection period falling below 50% of Ksp is zero for the Optimistic and the ... years (i.e. 2008, 2009, etc. for year y’), the generated longline CPUE abundance indi- ces and longline ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 33–69 : Auteur(s): Brandão, A. and D.S. Butterworth
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e-sc-xxxiv-a7.pdf
... year classes were not observed in the catch-at-age data. In addition, all years of tag recaptures were ... 20 vessels in Subarea 88.1, eight Members and 19 vessels in Subarea 88.2, two Members and two ... appropriate spatial and temporal overlap where a VMS location would be expected within a radius of 20 n miles ... and time of year. The variability in processing between different vessels should also be considered
application/pdf attached to:WG-FSA-15Meeting Report : WG-FSA-15
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e-sc-vi-a6.pdf
... Group on the Long-Term Program of Work for the Scientific Committee met on 25 October 1987 in ... Members, the Group decided that such a list, the same as used this year, should be included into next ... question was raised on the status of the Group. It is not clear whether the Group should take over duties ... under control of hydroacoustic devices. Atlantic Sector 52–62°S between 20–55°W USSR Dec–April
application/pdf attached to:WG-LTP-87Meeting Report : WG-LTP-87
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e-sc-xxviii-a6.pdf
... the median rate for all trips undertaken in that year; (iii) all trips that met both criteria (i ... in year 1 and may be extended more widely in future years, subject to review. 2.53 Other data ... assessment, the years over which these year-class strengths (YCS) are assumed to have average recruitment ... , the first year of recruitment considered unknown in projections, and the years of observed
application/pdf attached to:WG-SAM-09Meeting Report : WG-SAM-09
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A survey of fish stocks in the Heard Island and McDonald Islands region in the 1999/2000 season and a comparison of the abundances of selected species with those obtained in previous surveys
, varying by a factor of 2-3 between years, but C. gunnari abundance can vary by a factor of about 20 ... between years. This is the result of occasional strong year classes entering the fishery and dominating ... the population for about 2 years before disappearing, as has been documented in other locations ...
Meeting Document : WG-FSA-00/40 : Auteur(s): R. Williams, A. Constable, T. Lamb and E. van Wijk (Australia)
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e-sc-iv-a7.pdf
... antarctic - Early life stages of fish 20. The Minke whale as a potential indicator of the effects of ... long-term phenomena would both constitute simultaneous measurements. Areas and Sites 30. The Group ... . Cooke (IUCN representative) Institute of Animal Resource Ecology University of British Columbia ... of Cape Town Rondebosch 7700, South Africa 20. Volker Siegel Bundesforschungsanstalt f
application/pdf attached to:WG-EM-85Meeting Report : WG-EM-85