Résultats de la recherche

1. Analysis of variability of krill size and fish by-catch in the Japanese krill fishery based on scientific observer data

   Bayesian model. The models were composed of multistage cluster units (i.e. year, subarea, vessel, cruise ... , subareas and vessels. The potent interaction effect between year and subarea suggests large spatio–temporal ... parameters estimated by the Markov chain Monte Carlo (MCMC) method hardly show difference among years ... th (m m ) 60 50 40 30 20 (a) Adult size in Subarea 48.1 Overall trend Year E st im at ... Year E st im at ed m ea n le ng th (m m ) 60 50 40 30 20 (c) Adult size in Subarea ... 40 30 20 (e) Year Area Y–A Ves. Cruise Haul Ind. Va ria ... . ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 0 10 20 30 40 ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 31–47 : Auteur(s): Okuda, T. and M. Kiyota

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

   the inner shelf has enabled a new cohort of fish to be identified each year. However, annual ... outer shelf. The three-year cycle observed previously seems to be related to the maturation stage of ... taken both by bottom trawl (30' duration; 12 to 20 stations, depending on weather and bottom ... - - - ' , ' i " " " ' " " " ' I " " 0 10 20 30 Total length (cm) Figure 2: Quarterly LFDs for C. gunnari ... J l l l l l / , , , 3 I " " " " I " " . I ' I ' ' " ' E a 0 10 20 30 2. 0 Total length ... 1971/72, yielded annual catches up to 30 000 tonnes in the first years of exploitation (Gerasimchuk ...

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

3. Status of the krill stock around Elephant Island in 1991/92 and 1992/93

   . The length frequency distributions and maturity stage composition reflected relatively good year class ... success from the 1990/91 spawning season but poor success from 1991/92. Year class success from these and ... austral summers of 1991/92 and 1992/93 are described and compared with information from previous years ... other years appears to be associated with female maturity development and spawning during the early ... . Loeb and Siege1 (Dlink/Dmax) *l00 Variable 1---10---20---30---40---50---60---70---80---90---~00 ST ... ST-4 3 ST-59 -7 ST-58 -L ST-71 ST-4 4 ST-72 (Dlink/Dmax)*100 Variable 1---10---20---30---40 ... (clusters 1 to 3) during January 1992. Cluster 1 N = 863 10 15 20 25 30 35 40 45 50 55 6 0 Total ... . Frequency % 12 "l l0 l6 20 26 30 36 40 46 60 66 80 Total Length (mm) Frequency % 10 16 90 26 SO S6 ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 7–33 : Auteur(s): Loeb, V. and V. Siegel

4. A compilation of parameters for ecosystem dynamics models of the Scotia Sea – Antarctic Peninsula region

   offspring produced per breeding adult per year. Derived krill demand estimates are for the adult portion ... month, a depth-weighted mean velocity fi eld was calculated over a 19-year run of this model (1985 to ... mortality rate (Table 9). In addition, a substantial proportion of adult females do not breed each year ... constant throughout the year. Chick requirements during the breeding season were added to those of adults ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 1–25 : Auteur(s): Hill, S.L., K. Reid, S.E. Thorpe, J. Hinke and G.M. Watters

5. Preliminary results of investigations of the Federal Republic of Germany on Notothenia rossii marmorata (Fischer, 1885) in January/February 1985

   rebuild the stock around South Georgia might be successful. Although reported catches in recent years have ... meshed liner of 20 mm (figs. 1,2). Total length of the spcci.mcn.s wDi:; 1nec1sured to Ll1e nearest cm ... conbncd to Lhe east and southeast of the island where yields varied beLween 2 and 5100 kg/30 min. 'Ihe ... . Maturity in males is reached at a smaller size and about one year earlier than in females. - 40 ... - 1982/83) have been low (KOCK, UUHAMF.L & HUREAL:, 1985, L::1ble 30): a. Stock size is probably still ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 33-57 : Auteur(s): Kock, K.-H.

6. The Soviet krill fishery in the Atlantic Sector of the Antarctic from 1977 to 1991: fishing effort distribution and interannual patterns

   0 0 0 0 0 0 0 91 7 1. 8 R T M S 92 86 30 4 39 6 20 6 20 2 11 6 89 ... catches (tonnes/hour) Fr eq ue nc y (% ) 30 25 20 15 10 5 0 9–10 9 Soviet krill fi shery ... between subareas in the 15-year period from January 1977 to December 1991, the period during which the ... 99 8 28 2 57 1 19 78 14 2 80 3 89 9 23 11 6 63 7 89 8 20 1 89 0 19 ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 1–13 : Auteur(s): Litvinov, F.F., V.A. Sushin, G.A. Chernega and O.A. Berezhinsky

7. The role of fish as predators of krill (Euphausia superba) and other pelagic resources in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   . Nototheniids and channichthyids have a life span of typically 10–20 years (Kock et al., 1985; La Mesa et al ... estimates of fish stocks were available for the split-years (1 July to 30 June) 1975/76 and 1977/78 (Table ... resource for skates and slope and deep-sea fishes such as grenadiers at certain times of the year ... fast ice, including flaws, leads and polynyas) for most of the year (Kock, 1992). The shelf and ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 115–169 : Auteur(s): Kock, K.-H., E. Barrera-Oro, M. Belchier, M.A. Collins, G. Duhamel, S. Hanchet, L. Pshenichnov, D. Welsford and R. Williams

8. The CCAMLR-2000 Krill Synoptic Survey: a description of the rationale and design

   will take several years and will result in a significant increase in the knowledge of krill length ... Limit of Grid of Grid Northern Southern Western Eastern Scotia Sea 62'5, 40°W 0" 49"s 62"s 56"W 20°W ... Parallel 2 Meridian Projection Shift Scotia Sea WGS84 Metres 54"30'S 59"30fS 40°W 62"W 0, 0 Antarctic ... approximately 30 days of ship time. Other nations were also able to undertake smaller-scale regional acoustic ... conditions could be met, the survey would take longer than originally anticipated. Provisional station ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 1–23 : Auteur(s): Trathan, P.N., J.L. Watkins, A.W.A. Murray, A.S. Brierley, I. Everson, C. Goss, J. Priddle, K. Reid, P. Ward, R. Hewitt, D. Demer, M. Naganobu, S. Kawaguchi, V. Sushin, S.M. Kasatkina, S. Hedley, S. Kim and T. Pauly

9. Temporal variability and the interrelationships between CEMP parameters collected on Adélie penguins at Béchervaise Island

   examined for Adélie penguins over a period of 12 years. Data were collected from 1990/91 to 2001/02 at ... while other parameters, such as arrival counts and incubating nest counts, are more stable between years ... 90 30 / 11 / 19 90 05 / 12 / 19 90 20 / 12 / 19 90 25 / 11 / 19 90 18 / 12 ... 97 30 / 11 / 19 97 03 / 12 / 19 97 20 / 12 / 19 97 21 / 11 / 19 97 20 / 12 ... 00 04 / 12 / 20 00 04 / 01 / 20 01 30 / 11 / 20 00 14 / 12 / 20 00 13 / 2 ... beginning of the year, the decline in condition of the females until egg laying, the decline in condition ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 75–90 : Auteur(s): Emmerson, L.M., J. Clarke, K.R. Kerry and C. Southwell

10. Protecting young fish and spawning aggregations of Champsocephalus gunnari in Subarea 48.3 (South Georgia): a review

    fish (27-40 cm). One, however, was composed almost entirely of 1 and 2 year olds (about 12-30 cm). In ... of each year and end on 30 November of the fc%owing year. References SC-CAMLR, 1984, para raphs ... year was consistently applied in years when the C. gunnari 2 2 fishery in Subarea 48.3 was open. B 3 ... also pertinent following the introduction in 1998 of a new CCAMLR 'fishing year' (CCAMLR, 1998 ...

    Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 75–86 : Auteur(s): Parkes, G.B

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