Résultats de la recherche

1. New data on spawning, hatching and growth of Champsocephalus gunnari on the shelf of the Kerguelen Islands

   Paper Title:  New data on spawning, hatching and growth of Champsocephalus gunnari on the shelf of ... the Kerguelen Islands Abstract / Description:  Combined studies on the inner and outer northeastern ... part of the Kerguelen shelf during the 1989/90 to 1993/94 period provide new information on the stock ... the inner shelf has enabled a new cohort of fish to be identified each year. However, annual ... be identified as being located on the northeastern part of the inner shelf. However, no information ... period extending from October 1989 to June 1994. No fishing took place for the months for which there ... ); however, in autumn 1989/90 and the summers of 1990/91 and 1991 /92 no surveys were conducted for ... logistic reasons. The outer shelf has not been investigated (no fishery) during autumn 1989 /90, autumn ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 21–34 : Auteur(s): Duhamel, G

2. Significant conservation benefits obtained from the use of a new fishing gear in the Chilean Patagonian toothfish fishery

   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 ... catch, or the aggregation of individuals around the ves- sel with no apparent connection to fishing ... lines, night setting, line weighting, discharging all offal on the opposite side of the hauling bay of ... streamer lines, using the new Chilean longline the same results were found in both treatments; no birds ... ). The results for 2006 were absolute; no birds were killed from an effort of almost 4 million hooks ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 79–91 : Auteur(s): Moreno, C.A., R. Castro, L.J. Mújica and P. Reyes

3. Low breeding success of the Adélie penguin at Béchervaise Island in the 1998/99 season

   Paper Title:  Low breeding success of the Adélie penguin at Béchervaise Island in the 1998/99 ... season Abstract / Description:  This paper describes the diet and foraging behaviour of Adelie penguins ... percent of nests with eggs failed during the three weeks following first hatch. A breeding success of 0.43 ... , foraging trip duration and diet suggests that the death of chicks during the guard stage was due to an ... ). Bechervaise Island (67"35'S, 62O48'E) is the site of a CEMP program which investigates primarily predator ... < 0.05) (Table 3). No other seasons differed significantly among males; for females the only other ... availability since there has been no krill fishery in the Mawson area since 1988 (CCAMLR, 1998; CCAMLR, 2000 ... the weights averaged within five-day age classes. No account is taken of chicks that died subsequent ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 151–167 : Auteur(s): Irvine, L.G., J.R. Clarke and K.R. Kerry

4. Hook selectivity in the longline fishery of Dissostichus eleginoides (Nototheniidae) off the Chilean coast

   Paper Title:  Hook selectivity in the longline fishery of Dissostichus eleginoides (Nototheniidae ... ) off the Chilean coast Abstract / Description:  Existing information from technical publications on ... Chilean fisheries of the Patagonian toothfish, Dissostichus eleginoides is reviewed in order to study ... the coast of Valdivia, South East Pacific, are also taken into consideration. The data show that ... by Decree No. 439 of the Economy Ministry of 1985, which establishes that only vessels of a maximum ... increased to 18 m by Decree No. 43 of 1986 of the same Ministry. This amendment relates to vessels that ... five sections with hooks No. 3 and five sections with hooks No. 4. The hooks used were also of Mustad ... hooks (No. 4) and circle hooks was expressed in the same units of effort (g/hook) in order to obtain ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 107–119 : Auteur(s): Moreno, C.A.

5. Assessments of the stocks of Notothenia rossii marmorata and Champsocephalus gunnari in the South Georgia area

   Paper Title:  Assessments of the stocks of Notothenia rossii marmorata and Champsocephalus gunnari ... in the South Georgia area Abstract / Description:  The stocks of Notothenia rossii marmorata and ... Champsocephalus gunnari in the South Georgia area are assessed using USSR age sample data and recent biomass ... estimates from surveys by the FRG. These data indicate that the stock of N. rossii in 1985 was about 2.5% of ... , while the stock of Champsocephalus gunnari has fluctuated greatly with no obvious trend ... important to recognise that the age data themselves provide little or no information on the status of a ... the initial reduction of the stock in the period 1970-71 was rather abrupt, these data provide no ... exceeding them. Even if there were no dependence of recruitment on stock size in the range encountered ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 1-21 : Auteur(s): Cooke, J.G.

6. Status of the FIBEX acoustic data from the West Atlantic

   are consistent with the other surveys. The authors can find no explanation for this difference. File ... Paper Title:  Status of the FIBEX acoustic data from the West Atlantic Abstract / Description ... :  Data from the FIBEX acoustic survey in the West Atlantic sector have been re-examined to check the ... consistency between the results from four of the vessels, Itzumi, Dr Eduardo L. Holmberg, Odissey and Walther ... the other surveys. The authors can find no explanation for this difference. Resume Les auteurs ont ... (Anon., 1986), it is no longer possible to clarify a number of these uncertainties, hence the ... within the I t z u m i cruise and not used for comparison with other cruises. No problems have been ... within one of the Scotia Sea survey areas. Following conversion to MVBS, no further problems have ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 35–48 : Auteur(s): Trathan, P.N. and I. Everson

7. Moulting interval and growth of juvenile Antarctic krill fed different concentrations of the diatom Phaenodactylum tricornutum in the laboratory

   concentrations of the diatom Phaenodactylum tricornutum in the laboratory Abstract / Description:  Juvenile ... juvenile krill increased, up to a concentration of 1.0 mgC 1 –1. No further effect of food concentrations ... 0.047 mm day –1, which is too slow to support the hypothesised 2-year life-span of this animal in the ... field. Growth conditions of krill in the Southern Ocean are discussed, with special reference to the ... OF JUVENILE ANTARCTIC KRILL FED DIFFERENT CONCENTRATIONS OF THE DIATOM PHAENODACTYLUM TRICORNUTUM IN ... THE LABORATORY T. Ikeda, P.G. Thomas (Australia) Abstract Juveni,le Antarctic krill (Euphausia ... to a concentration of 1.0 mgC 1-1 • No further effect of food concentrations on IP or 6BL was seen ... slow to support the hypothesised 2-year life-span of this animal in the field. Growth conditions of ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 223-225 : Auteur(s): Ikeda, T. and P.G. Thomas

8. Experimental evaluation of the effectiveness of weighting regimes in reducing seabird by-catch in the longline toothfish fishery around South Georgia

   Paper Title:  Experimental evaluation of the effectiveness of weighting regimes in reducing ... seabird by-catch in the longline toothfish fishery around South Georgia Abstract / Description:  A series ... of experiments was carried out in February 1999 at South Georgia (Subarea 48.3) to examine the ... effects of different weighting regimes on the incidental mortality of birds caught on longlines fishing ... of one stone at each attachment site (termed 'control' in this experiment) against the use of two ... stones (termed 'treatment'); and (ii) a comparison of the use of two stones at each attachment site ... or the number of black- browed albatrosses killed. RESULTS Experimental Results No practical ... set away from the experimental site north of South Georgia. Most of the experimental sets did ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 119–131 : Auteur(s): Agnew, D.J., A.D. Black, J.P. Croxall and G.B. Parkes

9. Population genetic structure of Patagonian toothfish in the West Indian Ocean sector of the Southern Ocean

   Paper Title:  Population genetic structure of Patagonian toothfish in the West Indian Ocean sector ... of the Southern Ocean Abstract / Description:  Molecular markers were used to investigate the stock ... structure of Patagonian toothfish (Dissostichus eleginoides) in the West Indian Ocean sector of the Southern ... per collection ranged from 0.000 to 0.900 and allele counts from 1 to 21. There was no evidence of ... within). In a recent genetic study by the authors, no signifi cant differentiation between Macquarie ... are contigu- ous with water no deeper than 600 m separating the two areas (Williams et al., 2002). In ... - tion (considering microsatellite loci jointly) among the four collections showed no signifi cant ... the West Indian Ocean sector col- lections was accounted for within samples. Thus, no signifi cant ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 21–32 : Auteur(s): Appleyard, S.A., R. Williams and R.D. Ward

10. 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 : Auteur(s): Jackowski, E

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