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1. An assessment of CCAMLR measures employed to mitigate seabird mortality in longlining operations for Dissostichus eleginoides around South Georgia

   BbIIIonHeHa 61 noCTaHOBKa spyca . B COOTBeTCTBHH C MepaMH AHTKOMa no CoXpaHeHHKJ IIOCTaHoBKa RpyCa Resumen ... Population declines in several species of albatross have been reported from breeding sites in the Southern ... the effectiveness of measures employed by CCAMLR to mitigate seabird mortality. Following an agreement ... between the Governments of the United Kingdom and Chile, a UK observer was placed aboard a Chilean ... longliner, the BF Cisne Verde, fishing in CCAMLR Subarea 48.3 during the 1996/97 season. In this study 61 ... lines were laid from March to May 1997 using the Spanish double-line method. In accordance with CCAMLR ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 217–230 : Author(s): Ashford, J.R. and J.P. Croxall

2. 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

3. 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

4. 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

5. Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia

   the season in August. Killer whale interactions appear to be more consistent with no obvious pattern ... Paper Title:  Estimating the impact of depredation by killer whales and sperm whales on longline ... data collected on longliners between 2003 and 2009 were analysed to look at the levels of depredation ... , and often appear to actively seek out fishing vessels and ‘strip’ the line of a large number of ... on observed sets which had no cetacean interactions, Cy,l is the declared catch in year y on ... sets having interactions of type l and sets having no cetacean interactions. The three interaction ... confirm the much higher impact of killer whales, with CPUE usually being reduced by 50%, but no ... with no general trend during the time period from 2003 to 2009 (Table 2). The large difference in ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 163–178 : Author(s): Moir Clark, J. and D.J. Agnew

6. Foraging behaviour and reproductive success in chinstrap penguins: the effects of transmitter attachment

   may be no difference between trip durations obtained by applying the transmitters to one or both ... Paper Title:  Foraging behaviour and reproductive success in chinstrap penguins: the effects of ... transmitter attachment Abstract / Description:  The use of radio telemetry has been accepted as a standard ... method with which to monitor foraging trip duration in penguins by the CCAMLR (Commission for the ... cm2 front section area), there may be no difference between trip durations obtained by applying the ... ) at the beginning of the observation period were used as a control group. No transmitters were ... recorded as the first day that a nest was observed with no chicks. A failure date of 13 January 294 ... between the three groups within each period revealed that there was no significant effect of transmitters ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 291–303 : Author(s): Croll, D.A., J.L. Bengtson, P.L. Boveng, M.E. Goebel and J.K. Jansen

7. Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica

   fueron identificados como Chionobathyscus dewitti, y no hubo diferencias significativas en la proporción ... Paper Title:  Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea ... during the 2005/06 fishing season. These observers were placed on board three longline vessels targeting ... Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea (CCAMLR Subareas 88.1 and 88.2). Biological data ... , meristics, reproductive biology, diet and age estimation. All of the icefish sampled were identified as ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 139–165 : Author(s): Sutton, C.P., M.J. Manning, D.W. Stevens and P.M. Marriott

8. Estimation of effective sample size for catch-at-age and catch-at-length data using simulated data from the Dirichlet-multinomial distribution

   simulated data from the Dirichlet-multinomial distribution Abstract / Description:  The incorporation of ... ‘effective sample size’ (ESS) in integrated assessments is an approximate but simple way of modelling the ... heterogeneity within fishing year was simulated using samples from the Dirichlet-multinomial (D-M) distribution ... its variants. One of the methods is based on the lack-of-fit of predictions of class probabilities ... of ESS were no longer possible. the dirichlet-multinomial model Consider initially a single year ... methods are compared using the simulation Candy 122 model with no process error or systematic error ... thE dirichlEt-multinomial distribution S.G. Candy Department of the Environment, Water, Heritage ... and the Arts Australian Antarctic Division 203 Channel Highway, Kingston 7050 Tasmania, Australia ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 115–138 : Author(s): Candy, S.G

9. Characteristics of seasonal variation in diurnal vertical migration and aggregation of Antarctic krill (Euphausia superba) in the Scotia Sea, using Japanese fishery data

   ice off the Ongul Islands in Lutzow-Holm Bay, Antarctica. Mem. Nat. Inst. Polar Res., Spec. Issue 44 ... of Antarctic krill (Euphausia superba) in the Scotia Sea, using Japanese fishery data Abstract ... / Description:  Seasonal variation in the diurnal vertical migration and aggregation of Antarctic krill ... (Euphausia superba) associated with the daylight phase over the diurnal cycle (i.e. brightness categories ... ) was examined for the Scotia Sea (South Shetland Islands (SS), South Orkney Islands (SO) and South ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 163–172 : Author(s): Taki, K., T. Hayashi and M. Naganobu

10. Validation of sink rates of longlines measured using two different methods

    sight behind waves or in congregations of seabirds before the target depth was reached. No TDRs were ... of the ground line – IW-50 lines) were measured during commercial fishing operations using two ... = –0.181, P = 0.859). When the target depth was 15 m, sink rates measured using the bottle method (0.20 ... behind the vessel, i.e. out of the observer’s sight, when they reached the target depth. Bottles had a ... before the target depth was reached. No TDRs were lost during the trial. Bottle tests were most useful ... with 50 g.m–1 lead integrated into two strands of the ground line – IW-50 lines) were measured during ... difference was not statistically signifi cant (t12 = –0.181, P = 0.859). When the target depth was 15 m ... , sink rates measured using the bottle method (0.20 ± 0.02 m.s–1) were signifi cantly slower than those ...

    Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 179–187 : Author(s): Wienecke, B. and G. Robertson

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