Search results
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Methods of age determination for mackerel icefish (Champsocephalus gunnari Lönnberg 1905) from the South Georgia Island shelf
of fish longer than 30 cm having an enlarged otolith centre. An age/length key for the third quarter ... of the year was also calculated. File: 04-Frolkina.pdf ... of otolith could be used to adjust age assessments of fish longer than 30 cm having an enlarged otolith ... centre. An age/length key for the third quarter of the year was also calculated. ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 37–49 : Author(s): Frolkina, Zh.A.
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Potential nursery areas for fish in the Prydz Bay region
. This species was abundant (up to 9 100 were caught in a 30 minute haul) especially near the shelf break ... antarcticum. This species was abundant (up to 9 100 were caught in a 30 minute haul) especially near the shelf ... of P. antarcticum catches. 375 -64 individuals/30 minute trawl 1 5 0 10 0 20 0 Q) "Cl 0 B 30 ... minute trawl 1 5 0 10 0 0 Cl) 20 -d 0 E 000 0 30 0 :.;::l 0 .s 0 00 0 0 0 °0 0 40 0 0 50 ... in a 30 minute haul) especially near the shelf break. The dominant size class was of 45 mm standard ... espece etait abondante (un trait de 30 minutes a capture jusqu'a 9 100 poissons), notamment a proximite ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 369–380 : Author(s): Williams, R.
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Some comments on the procedure for testing estimators of krill abundance which utilise survey data
. HCnOJIb30BaHHe 3THX ",llByxcTyneH'-IaTbIX" MO,lleJIeti o6ecne'-l- BaeT nOJIY'-leHHe 60JIee TO'-lHbIX nO,llrOHOK ... nOCTpoeHHSI MO,lleJIH. ITpe)l{,lle '-IeM 3TH MO,lleJIH MoryT 6blTb HCnOJIb30BaHbl B Ka'-leCTBe OCHOBbl ... . An objection that has been raised to this approach is that it is discarding the information on the spatial ... between [0, 0.5] and [2, 20] km, and too high in the complementary ranges. The fact that the X Z values ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 191–205 : Author(s): Butterworth, D.S., D.L. Borchers and D.G.M. Miller
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Commercial fishing vessels as research vessels in the Antarctic – requirements and solutions exemplified with a new vessel
of krill has varied dramatically over its 30- to 40-year history. The present annual catch ... in resource surveying has been given sub- stantial attention in recent years (ICES, 2007; Abe et al., 2011 ... years, most new research vessels, and also some fishing vessels, are being equipped with an instrument ... for a 20 ft container laboratory van would be sufficient for those sampling and scientific require- ments ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 11–17 : Author(s): Godø, O.R., C. Reiss, V. Siegel, J.L. Watkins
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Biomass, abundance and distribution of fish in the Kerguelen Islands EEZ (CCAMLR Statistical Division 58.5.1)
20 years after the beginning of fish- ery. The first biomass estimates were produced from ... ns ns ns Channichthys rhinoceratus 2.62 1.13 1.19 10.21 0 10 000 20 000 30 000 40 000 50 000 ... area is known. The geographic and bathymetric fish distribu- tions over a 20-year interval ... of the species. The standard duration of a trawl was 30 min on the ground (bottom trawling) and the selected ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 1–32 : Author(s): Duhamel, G. and M. Hautecoeur
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Analysis of changes in biomass of fish stocks in the South Georgia area in 1976/77-1986/87
stock. High biomass density appeared with 2-4 year intervals after recruiting an abundant year-class ... . High biomass density appeared with 2-4 year intervals after recruiting an abundant year-class ... in the biomass density of C. ~ari stock. High biomass aensity appeared with ~year intervals after recruiting ... an abundant year-class to the exploited stock. The biomass of other bottom species is more stable, especially ... H Notothenia rossii marmorata) B paHoHe ~HOH feoprHH B ce30Hhl 1976/77- 1986/87 rr. HCnOJIb30BaJICH MeTOA ... npOTpaJIeHHhlX nJIO~aAeH. B TeqeHHe 60JIbWHHCTBa npOaHaJIH3HpOBaHHhlX ce30HOB npoBeAeHHaH OQeHKa OXBaThlBaJIa ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 185-211 : Author(s): Mucha, M. and W. Ślósarczyk
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CPUE indices used in Soviet krill fishery statistics from 1977 to 1992 and their possible utility for evaluation of relative changes in krill biomass
14 16 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Catch per vessel-days fished (tonnes ... in the Soviet krill fi shery from 1986 to 1991 (RIF statistics). 0 5 10 15 20 25 30 35 ... 1 51 7 0. 20 66 14 0. 66 49 94 30 1 - - - - - - 24 . Su ba re a 48 ... . Compared to the Atlas, the RIF statistics contain from 2 to 78% of data for various years and 34.2 ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 165–177 : Author(s): Litvinov, F.F., A.Z. Sundakov and V.I. Arkhipov
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Survey of Antarctic fur seals in the South Shetland Islands, Antarctica, during the 1986/87 austral summer
over the past 80 years, with the first post-exploitation record of successful pup production being ... , Aspland or O'Brien Islands. The absence of animals at these islands conforms to previous survey data ... sites in years when data on the number of pups are not available, the total number of individuals ... ISLAND Seal Island 7 Jan 66 20 Aguayo 1978 13 Dec 70 16 62 Hunt 1973 24 Dec 86 249 1250 1986/87 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 427-440 : Author(s): Bengtson, J.L., L.M. Ferm, T.J. Härkönen, E.G. Schaner and B.S. Stewart
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By-catch of fish in the krill fishery
, USSR 381 1. INTRODUCTION During the past 20 years a major krill fishery has become established ... 13 500 600 50 60 25 1025 1.08 70 19 4 54 29 35 7 400 500 40 40 30 1745 1.83 71 20 4 54 14 35 18 250 ... in 1981 (continued) 110 20 5 53 10 36 13 3000 3000 100 100 245 0.70 111 20 5 53 37 36 30 620 620 37 54 ... 30 730 0.50 112 20 5 53 45 36 35 180 180 35 60 30 940 0.50 113 20 5 53 41 37 31 320 315 65 150 1535 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 381–401 : Author(s): Everson, I., A. Neyelov and Y.B. Permitin
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Long-term trends in the foraging patterns of female Antarctic fur seals at South Georgia
trips, with 1979 being the year with the fewest trips made during the entire 20 year period. (In press ... with the fewest trips made during the entire 20 year period. (In press in: Sahrhage, D. (ed). Antarctic Ocean ... Bird Island, South Georgia, was analyzed to estimate: 1) birth year of individuals, and 2) the number ... , was analyzed to estimate: 1) birth year of individuals, and 2) the number of feeding trips made ... of feeding trips, with 1979 being the year with the fewest trips made during the entire 20 year period ... from Bird Island, South Georgia, was analyzed to estimate: 1) birth year of individuals ... voyages ont ete les moins nombreux sur la periode de 20 ans. Sous presse dans Sahrhage, D. (ed ... viajes hechos durante todo el periodo de 20 anos. En prensa en: Sahrhage, D. (ed). Antarctic Ocean ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 441-443 : Author(s): Bengtson, J.L.