Resultados de la búsqueda
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Vertical migrations of mackerel icefish (Champsocephalus gunnari) on the South Georgia shelf
commercial concentrations of C. gunnari in years of high abundance of the species (1982/83, 1983/84 and 1986 ... may be used for clarification of survey techniques used in stock assessment. For a number of years ... years of high abundance of the species (1982/83, 1983/84 and 1986/87). Catch-per-hour of fishing was ... used in stock assessment. For a number of years scientists of AtlantNIRO have been conducting trawl ... Scientists of several nations have in recent years carried out stock assessment studies of channichthyids ... in years of high abundance (1982/83, 1983/84 and 1986/87). Catch-per-hour of fishing was analysed by ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 3–14 : Autor(es): Frolkina, J.A. and V.I. Shlibanov
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Distribution and size of Antarctic krill (Euphausia superba Dana) in Polish commercial catches taken in the Atlantic sector of the Southern Ocean from 1997 to 1999
(% ) Elephant South Shetland 1999 0 5 10 15 20 25 30 35 40 45 50 55 60 Length (mm) Fr eq ue nc y ... in one concentration can be as dense as 30 000 specimens per m-3 of water (Hamner et al., 1983 ... the ship’s log were used to determine krill distribution. A WP/42+42/94 x 4 pelagic trawl with 20 mm ... observed in the South Orkneys area. It must be emphasised that in the years immediately pre- ceding these ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 83–105 : Autor(es): Jackowski, E
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Fishery Report: Dissostichus eleginoides Prince Edward Islands South African EEZ (Subareas 58.6 and 58.7)
30 22 20 72 0 72 2009/10 0 77 72 150 0 150 2010/111 129 68 108 305 * 305 1 Two vessels are ... 2007/08 0 0 2008/09 0 0 2009/10 0 0 2010/11 0 0 20. In 2011, as in previous years, WG-IMAF ... of toothfish exceeded the reported catch for most years (SC-CAMLR-XXVI, Annex 5, Appendix N, Table 2 ... -weight tonnages from vessels operating legally in that area in the corresponding years. Note that ...
Document : Site Section: Publications
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CCAMLR-XV
between Divisions 58.5.1 and 58.5.2 Delegations of Australia and France CCAMLR-XV/20 Rev. 1 Proposed ... . 1 List of participants CCAMLR-XV/BG/20 Expression of interest from the Republic of Namibia in ... Brazil CCAMLR-XV/BG/30 Summary of current conservation measures regulating fisheries and data reporting ...
Meeting
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Preliminary tag-recapture based population assessment of Antarctic toothfish in Subarea 48.4
tagging returns to be 982 tonnes in 2018. Applying the CCAMLR agreed precautionary assumption of average ... biomass across the time series and harvest rate of γ = 0.038, implies a 2018/19 yield of 37 tonnes ...
Meeting Document : WG-FSA-18/26 : Autor(es): T. Earl and A. Riley
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Annual report of research fishing operations at Division 58.4.3a in the 2017/18 fishing season
. One fishing cruise by French vessel (“ Mascareignes III ”) took place in May 2018 and caught 2.5 ... Secretariat on the 21th August 2018. In this paper, the data set during current fishing season (2017/18) was ...
Meeting Document : WG-FSA-18/50 : Autor(es): Delegations of France and Japan
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Annual report of research fishing operations at Division 58.4.4b in the 2017/18 fishing season
. One fishing cruise by French vessel (Ile Bourbon) took place in March 2018 and caught 1.6 tonne of D ... 3th August, 2018. In this paper, the data set during current fishing season (2017/18) was used for ...
Meeting Document : WG-FSA-18/67 : Autor(es): Delegations of Japan and France
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Seasonal and inter-annual variability in the distribution of Electrona carlsbergi in the southern Polar Front area (the area to the north of South Georgia is used as an example)
concentrations throughout the year. Results of surveys showed that the distribution and behaviour of E ... year is related to parameters of spatial and vertical distribution of fish. Interannual variability of ... concentrations. Over many years, the basic biological features, distribution patterns, areas, timing and ... in this area on board RV Vozrozhdenie. They worked for almost two years from October 1987 to June ... the southern border of the PFZ between 40° and 36°W, 30° and 25°W and 49° and 53°S (Figures 1 to 5) E ... time, E. carlsbergi concentrations were most frequently recorded in the eastern sector of the area (30 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 337–367 : Autor(es): Kozlov, A.N., K.V. Shust and A.V. Zemsky
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Review of length-weight relationships for Antarctic krill
have been established over the years for Antarctic krill Euphausia superba, but this information is ... 927mg 913mg 931 mg 912mg 860mg 796mg Data for February were collected in different years and ... of one month (Table 4). Because spawning may occur in different months during different years ... for wet wei~ht (in mg) and total length (AT in mm). Month Several years Several years ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 145–155 : Autor(es): Siegel, V.
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An assessment of the mackerel icefish (Champsocephalus gunnari) off Heard Island
the spawning stock falling below 20% over the specified period (20 years is used here) should not be ... respectively. The effects of a constant catch level (in tonnes) over a 20-year period were evaluated. The ... , which means that they are based on a constant catch over a 20-year period, and as such they can be ... years from the two abundant cohorts of 1 500 tonnes, comprising 900 tonnes in the first year and 600 ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 79–101 : Autor(es): de la Mare, W.K., R. Williams and A.J. Constable