Résultats de la recherche

1. Integration of CPUE data into assessments using the Generalised Yield Model

   recommended that the catch limit should be equal to that indicated by the GYM analysis (SC-CAMLR, 1999 ... than that indicated by the standardised CPUEs. On these grounds, it recommended that the catch limits ... stock trajectories under a specified catch regime. The procedure numerically integrates a set of ... uncertainties. Summaries of stock status over the liistorical catch period '1s well as into the future have ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 65–74 : Auteur(s): Kirkwood, G.P. and A.J. Constable

2. Towards the development of a management plan for mackerel icefish (Champsocephalus gunnari) in Subarea 48.3

   for an interim approach to the setting of precautionary catch limits for this fishery. An approach ... of fishing is 0.75; and (iii) Rule 3: y,, the catch level adopted for a sustainable catch limit ... therefore a need for an interim approach to the setting of precautionary catch limits for this fishery. An ... commercial catch-at-age using VPA (tuned to surveys and CPUE). Since 1990/91 the only data available have ... biomass estimate Coverage of survey Number of runs in simulation for each catch characteristics ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 63–77 : Auteur(s): Agnew, D.J., I. Everson, G.P. Kirkwood and G.B. Parkes

3. Precautionary measures for a new fishery on Martialia hyadesi (Cephalopoda, Ommastrephidae) in the Scotia Sea: an ecological approach

   South Georgia in June 1996 provided the basis for determining realistic potential catch rates. File ... catch limit set by CCAMLR. A total of approximately 50 tonnes of M. hyadesi was caught north of the ... June 1996 provided the basis for determining realistic potential catch rates. Dans l'attente du ... been an occasional, and generally small, catch in the I. avge?ztinus fishery since its inception ... , with a larger catch taken near the Falkland/Malvinas Islands in 1986 and 1995. This has increased ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 125–139 : Auteur(s): Rodhouse, P.G

4. Using ecosystem monitoring data to detect impacts

   precautionary catch limit of krill among small-scale management units in the Scotia Sea. CCAMLR Science, 11 ... to advise on strategies for subdividing a precautionary catch limit among small-scale management ... allows rational use of krill (including expansion beyond current catch levels) but which meets conserva ... triggering tactical adjustments to catch limits in relatively small spatial subdivisions of the fishery ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 197–212 : Auteur(s): Hill, S.L., J. Forcada, P.N. Trathan and C.M. Waluda

5. Refinements to the strategy for managing depleted fish stocks based on CCAMLR objectives

   might be a by-catch limit in practice) would be set using whichever of these fishing mortalities was ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 467–475 : Auteur(s): de la Mare, W.K. and A. Constable

6. A quantified Bayesian Maximum Entropy estimate of Antarctic krill abundance across the Scotia Sea and in small-scale management units from the CCAMLR-2000 Survey

   , weight of catch) and image space (density in each pixel) was required. In the application of MaxEnt to ... continue their analysis of possible catch lim- its, but may not provide the best answer for those SSMUs ... CCAMLR-2000 Survey data may not lead to good decisions about catch limits in these regions. The ... application of the ‘precaution- ary principle’ would suggest that, in this state of relative ignorance, catch ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 97–116 : Auteur(s): Heywood, B.G., A.S. Brierley and S.F. Gull

7. Fishing ground selection in the Antarctic krill fishery: trends in patterns across years, seasons and nations

   contributors to the total catch. A recent shift in operational timing towards later months within fishing ... the pre- cautionary catch limit for krill among small- scale management units (SSMUs) in Area 48. The ... major contributors to the total catch. A recent shift in operational timing towards later months ... evaluation. When considering options for subdividing catch limits, the behavioural patterns of fishing ... -scale catch and effort data). The STATLANT database contains all reported krill catches at FAO ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 117–141 : Auteur(s): Kawaguchi, S., S. Nicol, K. Taki and M. Naganobu

8. Krill distribution in the western Atlantic sector of the Southern Ocean during 1983/84, 1984/85 and 1987/88 based on the results of Soviet mesoscale surveys conducted using an Isaacs-Kidd midwater trawl

   of a precautionary catch limit, allocated by subareas (CCAMLR, 1992). In particular, the CCAMLR ... was 23 000 &. After the trawl was hauled aboard and the catch sorted (mainly by species), the total ... catch of krill was weighed and samples of krill were taken to conduct various measurements and ... biological analyses. Krill biomass at each station was estimated by dividing krill weight in the catch by ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 59–70 : Auteur(s): Sushin, V.A. and K.E. Shulgovsky

9. Biomass, abundance and distribution of fish in the Kerguelen Islands EEZ (CCAMLR Statistical Division 58.5.1)

   1 000 m, the limit of the POKER 2006 survey. Some shelf and slope species (mackerel icefish ... (Bathyraja eatonii) and Kerguelen sandpaper skate (B. irrasa)) extend deeper than 1 000 m, the limit of the ... analyse all catch in each trawl (including species identification, meas- urements, biological sampling ... the cruise determined the depth limit (1 000 m) of the studied area. The selected trawler was FV ... inner limit of the survey was defined by the 100 m depth isobath as this corresponds to the change in ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 1–32 : Auteur(s): Duhamel, G. and M. Hautecoeur

10. Long-term monitoring of krill recruitment and abundance indices in the Elephant Island area (Antarctic Peninsula)

    . Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of ... al., 1990). This northern limit of krill distribution is reached only during the period when krill ... the peak season the northern limit of krill distribution is located well south of 60"s. During the ... limit of the Antarctic Siegel et al. Table 1: Proportional recruitment index RI for l-year-old ...

    Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 19–35 : Auteur(s): Siegel, V., W. de la Mare and V. Loeb

Pages