Search results
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Abundance of larvae and assessment of recruitment size of Carlsberg lantern fish (Electrona carlsbergi Tåning, 1932) - (family myctophidae) in Southwest Atlantic in 1989
crest between 38°30’- 45°S. and 15°- 20°W. Larvae were collected with BONGO and JUDAY nets in oblique ... °30’ - 45°S. and 15° - 20°W. Larvae were collected with BONGO and JUDAY nets ... the recruitment biomass (fish aged up to 1 year) in this species for the area of 87750 square miles studied ... . The abundance of larvae in this area was 4.3 x 10 ind., while the biomass of one year old fish obtained ...
Meeting Document : WG-FSA-95/07 : Author(s): Nevisnky, M.M.
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PRELIMINARY ASSESSMENT OF MACKEREL ICEFISH, CHAMPSOCEPHALUS GUNNARI, IN THE VICINITY OF HEARD ISLAND AND MCDONALD ISLANDS (DIVISION 58.5.2), BASED ON A SURVEY IN APRIL 2009, USING THE GENERALISED YIELD MODEL
of Division 58.5.2 to the west of 79o 20’ E using standard CCAMLR methods. The strong year class ... of yield for the area of Division 58.5.2 to the west of 79o 20’ E using standard CCAMLR methods. The strong ... year class detected in the last two years’ surveys is now fully recruited as the 3+ cohort ... detected in the last two years’ surveys is now fully recruited as the 3+ cohort, and dominates ...
Meeting Document : WG-FSA-09/33 : Author(s): D.C. Welsford (Australia)
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An examination of variance and sample size for female Antarctic fur seal trip durations
of sample size in detecting differences between two years of fur seal trip duration data. Female foraging ... trip duration for the first six trips to sea for 1997/98 (n = 30) and 1998/99 (n = 31) at Cape Shirreff ... , Livingston Island was used to calculate minimum sample sizes necessary to detect differences from year ... to year. A bootstrap function was used to examine the effect of sample size on variance. Currently CCAMLR ...
Meeting Document : WG-EMM-99/45 : Author(s): M.E. Goebel (USA)
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Rajid by-catch in the longline fishery for toothfish in Subarea 48.3
Rocks and South Georgia, achieved average catch rates of over 1 ray/thousand hooks, and 20-30 rays ... and South Georgia, achieved average catch rates of over 1 ray/thousand hooks, and 20-30 rays/ thousand ...
Meeting Document : WG-FSA-99/40 : Author(s): D.J. Agnew, J. Taylor and I. Everson (United Kingdom)
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Food and feeding of two Channichthyids, Champsocephalus gunnari and Chaenocephalus aceratus, around Elephant Island and in the South Shetland Islands (Subarea 48.1) in 2001 and 2002
‘Polarstern’. C. gunnari fed almost exclusively on krill (Euphausia superba) in both years. C. aceratus fed ... on krill and other crustaceans as well as on fish. C. aceratus smaller than 30 – 35 cm relied primarily ... ’. C. gunnari fed almost exclusively on krill (Euphausia superba) in both years. C. aceratus fed on krill ... and other crustaceans as well as on fish. C. aceratus smaller than 30 – 35 cm relied primarily on krill ...
Meeting Document : WG-FSA-02/73 Rev. 1 : Author(s): H. Flores, K.-H. Kock, S. Wilhelms (Germany) and C.D. Jones (USA)
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Analysis of seamount-specific catch and tagging data in the Amundsen Sea, SSRU 88.2H
1-2 years before fish depart from these seamounts, presumably back to the slope SSRUs. Therefore ... for less than 2 years, and that data from the Amundsen Sea slope SSRUs (88.2C–G) are included in the stock ... assessment along with 88.2H. Fishing has occurred on almost every seamount in every year, and no evidence ... seamounts was found. Single-season tag recapture rates exceeding 20% on some seamounts suggest relatively ...
Meeting Document : WG-SAM-14/27 : Author(s): S.J. Parker (New Zealand)
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Laboratory target strength measurements of free swimming Antarctic krill (Euphausia superba)
of single animal insonifications. For mean length classes in the range [29.6, 36.2] mm the median single ... -animal target strengths are in the range [-76.7,-71.8] dB. Monte Carlo computer simulations were used ... animal insonifications. For mean length classes in the range [29.6, 36.2] mm the median single-animal ...
Meeting Document : WG-EMM-97/75 : Author(s): Pauly, T., Penrose, J.D.
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Recalculation of Antarctic krill (Euphausia superba) biomass off East Antarctica (30–80°E) in January–March 2006
to the CCAMLR guidelines- issued in 2010 via SG-ASAM. Our revised estimate of mean areal krill density is 20 ... off East Antarctica (30–80°E) in January–March 2006 Approval: Approved ... - issued in 2010 via SG-ASAM. Our revised estimate of mean areal krill density is 20.5 gm-2 (CV ... Recalculation of Antarctic krill (Euphausia superba) biomass off East Antarctica (30–80 ...
Meeting Document : WG-EMM-12/31 : Author(s): M.J. Cox and S. Kawaguchi (Australia)
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Comparative biological characteristics of Electrona carlsbergi (Tåning) (Myctophidae) from the notal and Antarctic areas in the Southern Ocean Atlantic sector
% in catches, occurred in much high amount to the east of 30°W. In the notal area the length of E. carlsbergi ... was somewhat higher,with the highest increment being observed at the 1st and 2nd years of life. Limiting age ... for fish from the notal area is, probably, 5 years. E. carlsbergi investigated in the Antarctic waters ... become mature at the 3rd year of life at 85-89 mm length. Determined differences of the length–age ...
Meeting Document : WG-FSA-90/21 : Author(s): K.V. Gorchinsky, V.M. Kiseleva and A.A. Filin (USSR)
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The biology of the spiny icefish (Chaenodraco wilsoni Regan, 1914)
of the Antarctic Peninsula in the last 25- 30 years has been the spiny icefish Chaenodraco wilsoni Regan 1914 ... Peninsula in the last 25 - 30 years has been the spiny icefish Chaenodraco wilsoni Regan 1914. C. wilsoni ... attempts suggested a maximum age of about 8 – 10 years. Author(s): K.-H. Kock, L.V. Pshenichnov, C.D ... suggested a maximum age of about 8 – 10 years. ...
Meeting Document : WG-FSA-07/P1 : Author(s): K.-H. Kock, L.V. Pshenichnov, C.D. Jones, J. Gröger and R. Riehl. (Polar Biol., 31 (3): 381–393 (2007))