Search results
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ADDING CATCH AT AGE AND SURVEY DATA TO THE 48.3 TOOTHFISH CASAL ASSESSMENT
sex-aggregated model, and no significant improvement to the tagging data fits. Estimates of cohort ... Abstract: The catch-at-age based CASAL model for toothfish in Subarea 48.3, which was presented ... in 2007, is developed and extended here to include survey data. Additional adjustments to the model ... suggested by WG-FSA-2007 are implemented. Fits to the survey length frequencies are good for recent surveys ...
Meeting Document : WG-SAM-09/13 : Author(s): D.J. Agnew and M. Belchier (United Kingdom)
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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
scattered throughout the water column, however no clear evidence of vertical migrations was found. Between ... commercial catches taken in the Atlantic sector of the Southern Ocean from 1997 to 1999 Abstract ... / Description: The distribution and internal structure of commercial krill concentrations were investigated in ... the areas of the South Shetland, Elephant, South Georgia and South Orkney Islands in the spring and ... throughout the water column, however no clear evidence of vertical migrations was found. Between February ... , no commercial krill concentrations were observed in the Elephant Island area, while they were ... studies, no large krill concentrations suitable for exploitation were observed in the South Orkneys area ... in 1997. The size of krill caught during the day varied at all depths (Figures 7 to 9), and no ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 83–105 : Author(s): Jackowski, E
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Re-analysis of CPUE in both species of toothfish in 48.6 area
Abstract: The present report re-analyses data regarding CPUE for both species of toothfish in ... northern area of 48.6 (SSRU 48.6A, 48.6G). This report is a re-analysis of the CPUE time series proposed in ... previous work (SAM 13/29) which includes all those comments and suggestions made in the last SAM meeting ... . Here, the length of the line was used as effort unit and also high CPUE values reported by a Korean ...
Meeting Document : WG-FSA-13/63 : Author(s): R. Wiff, J.C. Quiroz (Chile) and R. Scott (United Kingdom)
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Milk consumption and growth efficiency in Antarctic fur seal (Arctocephalus gazella) pups
Abstract: The body composition, milk consumption, and growth efficiency of Antarctic fur seal ... , South Georgia. The body composition of pups differed between the sexes; whereas for any given age ... 3.2 kg (42-53 MJ) during the 6-day perinatal period and from 2.9 to 3.6 kg (49-68 MJ) during the 1- to ... 2-day maternal attendance periods (feeding bouts). There were no differences in milk consumption ...
Meeting Document : WG-EMM-97/11 : Author(s): Socha, D.G., Arnould, J.P.Y., Boyd, I.L.
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First Annual Report of the CCAMLR Otolith Network, 2002
Abstract: This report presents results from the first exchange of otoliths under the auspices of ... the CCAMLR Otolith Network (CON), following the Workshop on Estimating Age in Patagonian Toothfish ... held at the Centre for Quantitative Fisheries Ecology (CQFE), Old Dominion University, United States ... , from 23 to 27 July 2001. The National Institute of Water and Atmospheric Research, Nelson, New Zealand ...
Meeting Document : WG-FSA-02/51
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Implementing plausible ecosystem models for the Southern Ocean: an ecosystem, productivity, ocean, climate (EPOC) model
Abstract: An ecosystem, productivity, ocean, climate (EPOC) model has been developed in the R ... species, and the need to evaluate whether harvest strategies are ecologically sustainable. As such, it can ... be used to facilitate the development of plausible ecosystem models for evaluating management ... procedures for krill following the recommendations of the workshop held by WG-EMM in 2004. EPOC has been ...
Meeting Document : WG-EMM-05/33 : Author(s): A.J. Constable
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REPORT OF THE UK GROUNDFISH SURVEY AT SOUTH GEORGIA (CCAMLR SUB-AREA 48.3) IN JANUARY 2009
Abstract: In January 2009 the UK undertook a bottom trawl survey of CCAMLR Sub-area 48.3 on the ... . The estimated mean biomass of Mackerel icefish (Champsocephalus gunnari) calculated using 10 strata ... , updated sea-floor areas and adjusting for the low headline height of the trawl (see CCAMLR WG-FSA (2003 ... )) was 31,753 t with a lower 1-sided CI at 18,904 t. Catches of icefish across the region were dominated ...
Meeting Document : WG-FSA-09/09 : Author(s): M. Belchier, R.E. Mitchell, M.A. Collins, L. Kenny, M. Taylor, J. Nelson and L. Featherstone (United Kingdom)
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Vertical migrations of mackerel icefish (Champsocephalus gunnari) on the South Georgia shelf
chalutages de C. gunnari que de jour. Pe3IOMe BbiCOKHe KOocpqmu,HeHTbl BapHaU,HH, noJiyl.leHHbie npH ... cbeMoK Ha rneJibcpe ocTposa I0:>KHa51 reoprH51 (Parkes et al., 1989), cTaB5IT no.l( COMHeHHe ... .) AHaJIH3HpoBaJIHCb yJioBbi 3a 1.1ac TpaJieHH51, noJiyl.leHHbie B Tel.leHHe CYTOK KaK ,l(OHHbiMH, TaK H pa3HOr ... 0 BepTHKaJibHbiX MHrpaU,H5IX C. gunnari MO)I{eT 6biTb noJie3Ha .l(JI51 yTo1.1HeHH51 MeTO.l(HKH TpaJIOBbiX cbeMOK ... had yielded almost no catches at all. The information obtained on vertical migrations of C. gunnari ... Paper Title: Vertical migrations of mackerel icefish (Champsocephalus gunnari) on the South ... Georgia shelf Abstract / Description: High values of coefficient of variation resulting from the ... calculation of mackerel icefish biomass (Champsocephalus gunnari) from trawl survey data on the South Georgia ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 3–14 : Author(s): Frolkina, J.A. and V.I. Shlibanov
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UPDATED BIOLOGICAL PARAMETERS FOR THE ANTARCTIC STARRY SKATE, AMBLYRAJA GEORGIANA, FROM THE ROSS SEA
examined in the laboratory. There was no significant difference between the median length at maturity for ... Abstract: Photographs of skates taken by observers on New Zealand toothfish longliners in the ... ). Nearly all of the skates caught were returned to the sea (discarded or tagged). A considerable proportion ... of these were returned in good condition and were considered likely to survive. Estimates of the ...
Meeting Document : WG-FSA-08/20 : Author(s): M.P. Francis and S. Mormede (New Zealand)
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Significant conservation benefits obtained from the use of a new fishing gear in the Chilean Patagonian toothfish fishery
side of the hauling bay of vessels and changes in the fishing season to the time of year in which ... , J., G. Robertson, J. Valencia and K. Lawton. 2003. The Evangelistas Islets, Chile: a new breed- ing site for black ... Paper Title: Significant conservation benefits obtained from the use of a new fishing gear in the ... Chilean Patagonian toothfish fishery Abstract / Description: A new fishing technique, adapted from the ... artisanal trotline fishery for Patagonian toothfish (Dissostichus eleginoides) in Chile is described. The ... macrocephalus). The performance of this fishing technique with regard to seabird mortality and depredation by ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 79–91 : Author(s): Moreno, C.A., R. Castro, L.J. Mújica and P. Reyes