Résultats de la recherche

1. Assessment and tag program adaption methods for exploratory fisheries in the CAMLR Convention Area: an example application for Division 58.4.3a

   tagging levels that will produce an expected abundance estimate in the following year of a given precision ... catch-at-length/age data and tagging data at-length/age. A simple algorithm, based upon the Petersen ... ), not its status relative to 20% of K in the final year of projection. One might then expect that ... until more data are col- lected, as this assessment is driven solely by one year of recapture data. As ... given year or years. No dispersion terms were estimated for the recapture event for obvious reasons ... one key extra component is incorporating the recruitment uncertainty used in the age-structured ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 101–113 : Auteur(s): Hillary, R.M

2. Results of fish stock assessment survey, South Georgia, December 1987 - January 1988

   1970's. A survey to monitor these stocks was carried out from December 1987 to January 1988. It ... temporary, because the following two year classes are small (Figure 3b). As members of this strong year ... examined. The population dropped by one to two orders of magnitude and the mean length was halved since ... Champsocephalus gunnari total length frequency (n=19366) 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 Length ... Class (cm) ! Pseudochaenichthys georg ianus total length frequency (n=2588) 5 10 15 20 25 30 35 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 19-52 : Auteur(s): McKenna, Jr., J.E. and S.B. Saila

3. Size and density of krill layers fished by a Japanese trawler in the waters north of Livingston Island in January 1988

   tow were: one (30 instances); two (one instance); three (two instances); and six (one instance). All ... 10 20 30 40 50 60 70 80 NET V 0 L U MED ENS IT Y ( g. m-3 ) Figure 3: Frequency distributions of ... -operative survey between RV Kaiyo Maru and a Japanese trawler was conducted from 17 to 20 January 1988 on ... the fishing ground north of Livingston Island (Figure 1). A total of 30 experiments on TS measurement ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 339–345 : Auteur(s): Endo, Y. and Y. Shimadzu

4. 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 ... ) have an on-board scientific observer on all vessels on at least one cruise each year, and (iii ...

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

5. Distribution and population structure of Dissostichus eleginoides and D. mawsoni on BANZARE Bank (CCAMLR Division 58.4.3b), Indian Ocean.

   two species by depth may be related to physical intolerance to cooler temperatures because of the lack ... 10 20 30 40 50 60 40 60 80 100 120 140 160 0 20 40 60 80 100 120 140 80 90 100 110 120 ... eleginoides D issostichus m aw soni 0 20 40 60 80 100 120 40 60 80 100 120 140 160 180 0 10 20 30 40 ... s pe r 1 0 00 h oo ks 30 20 10 0 30 20 10 0 30 20 10 0 153 Distribution and ... . 30 (0 .4 2) 30 D ec –1 9 Fe b 20 07 /0 8 23 76 44 7 25 9 11 0. 7 (2 0. 9 ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 145–153 : Auteur(s): Taki, K., M. Kiyota, T. Ichii and T. Iwami

6. Options for allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea

   the fi rst two options a substantial portion (>65%) of the catch limit would be allocated to three ... fishery would be restricted in some of its traditional fishing grounds during years of low krill ... catch limit in the two South Georgia SSMUs and the two Bransfi eld Strait SSMUs could vary from year ... any year. Hewitt et al. 90 T ab le 4 : Su bd iv is io n of p re ca ut io na ry c ... ut h G eo rg ia W es t ( SG W ) 0. 03 20 10 1 0. 59 59 18 89 0. 02 53 80 ... 3 0 20 40 60 80 100 Krill biomass density (g m-2) A 1 st an d ar d d ev ia te y ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 81–97 : Auteur(s): Hewitt, R.P., G. Watters, P.N. Trathan, J.P. Croxall, M.E. Goebel, D. Ramm, K. Reid, W.Z. Trivelpiece and J.L. Watkins

7. Investigations of required sampling regimes for environmental parameters

   monthly mean temperature over two years with a significance α of 0.05 and a power P of 0.8. Sampling wind ... speed continuously or as daily maxima and minima would be sufficient to detect a 10 to 20% change in ... detection Wind speed daily multiple n=8 per day 10-20% High recording for one month daily multiple n-30 ... temperatures in that 563 year were lower than for the other two years (see Figure 1). Maximum and minimum ... =0.6 P=0.8 P=0.9 1°C 27 47 65 37 60 80 2"C 7 12 16 10 15 20 3°C 5 5 7 6 8 10 Table 3: Sample size ... required to detect a change in maximum and minimum temperature at Davis Station monitored over a two-year ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 561–573 : Auteur(s): Agnew, D.J.

8. The fishery for Patagonotothen brevicauda guntheri in CCAMLR Subarea 48.3

   -CAMLR-IX, document WG-FSA-90/11. 278 Table 1: Reported catches of P.b. guntheri. Split-Year ... 21-30 ANI 54 38 15 0 7 0 0 nee 11-20 ANI 54 41 6 4 0 2 21-31 ANI 54 41 178 0 96 0 53 Table 5 ... 350 32 30 - 28 - 26 - 24 - 22 - 20 - 18 - 16 - 14 - 12 - 10 - 8 - 6 - 4 - 2 - 0 ... 1 o - - - - - - - - - ~ - - - - - - - - - t5 ) \~ I 10 I 11S I 20 21S 30 I 31S ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 275–283 : Auteur(s): Everson, I. and C. Mitchell

9. The foraging range of Adélie penguins – implications for CEMP and interactions with the krill fishery

   investigated by Agnew (1992) based on the time penguins are away from their colonies and their average ... chicks were determined Statistical Division 58.4.2, two in Division 58.4.1 at each site during every ... season in which tracking and one in Subarea 88.1 (Figure 1). This work was was carried out. In addition ... past harvests of krill taken within a grid of 0.5" latitude by 1" longitude (approximately 30 km by ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 75–87 : Auteur(s): Kerry, K.R., J.R. Clarke, S. Eberhard, H. Gardner, R.M. Lawless, S. Corsolini, S. Focardi, E. Franchi, D. Rodary and R. Thomson

10. Analysis of krill trawling positions north of the South Shetland Islands (Antarctic Peninsula area), 1980/81–1999/2000

    these two years showed unusual patterns. In 1990/91 most trawling positions were located from the ... annees 80, le long de la pente du plateau vers la fin des annees 80 et du plateau vers l'exterieur du ... plateau dans les annees 90. En une m@me annee, les chalutages ktaient g6neralement effectues vers ... desde la costa hasta la periferia de la plataforma durante la decada del 90. Cada allo 10s arrastres se ...

    Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 25–36 : Auteur(s): Kawaguchi, S. and K. Segawa

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