Résultats de la recherche

1. A simple approach for calculating the potential yield of krill from biomass survey results

   (op.cit.), except that only a constant catch harvesting strategy has been considered. Beddington and ... fishing. In certain circumstances then (high M and low O'R), it becomes possible to catch effectively all ... catch in number of laill over a season from a single cohort of size No at the start of the "year" will ... laill mass and its growth during the season, the annual catch in mass [C(y)] is therefore given by ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 207–217 : Auteur(s): Butterworth, D.S., A.E. Punt and M. Basson

2. Potential nursery areas for fish in the Prydz Bay region

   potential of a significant by-catch of juvenile fish in krill fishing operations, the Scientific Committee ... fishing operations if fish by-catch is to be minimised. 2. MAlERIALS AND METHODS The Prydz Bay region ... alone will be analysed. Pleuragramma antarcticum constituted the great majority of the catch, with ... potential impact of a krill fishery. Such a kriU fishery would be likely to have a large by-catch of P ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 369–380 : Auteur(s): Williams, R.

3. Depth distribution and spawning pattern of Dissostichus eleginoides at South Georgia

   together accounted for 47% of the catch of the 11 vessels that took part in the fishery. Most of the ... catch of these vessels each month was taken around Shag Rocks (70 to 80% of catches in April, June and ... August, and 55% of catches in May), except in July when 73% of the catch was taken around South Georgia ... inter- cruise time consisting of about a week's return to port for landing the catch. Two observers ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 19–36 : Auteur(s): Agnew, D.J., L. Heaps, C. Jones, A. Watson, K. Berkieta and J. Pearce

4. Management and uncertainty: the example of South Georgia

   Notothenia rossii, and efforts to keep the by-catch at a minimum. This is not a very exact measure, and ... the by-catch will be negligible. On that view the results will be virtually the same as complete ... species will not produce much catch, but will not allow any accumulation. Catches will be very small ... is the loss of potential catch from other species. The working group's report indicates that these ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 341-353 : Auteur(s): Gulland, J.A.

5. Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, South Shetland Islands, after commercial fishing in the area

   fisheries and establishing stringent by-catch limits. Commercial fishing in the South Shetland Islands ... total catch respectively. The humped rockcod (Gobionotothen gibberifions) was also targeted in a ... directed fishery, but it was mainly taken in significant quantities as by-catch (4 151 tonnes) (Kock ... respectively; the relative catch of N. rossii was 0.048. A previous study, conducted at PC from 1983 to ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 43–52 : Auteur(s): Barrera-Oro, E.R., E.R. Marschoff and R.J. Casaux

6. Seabird interactions with trawl and longline fisheries for Dissostichus eleginoides and Champsocephalus gunnari

   season. (Croxall e t al., 1990). By-catch rates of u p t o 0.457 birds per 1 000 hooks have been ... incidence of bird by-catch was recorded by fisheries inspectors on each vessel in the zone. The ... of observations connected with the quantification of by-catch of non-commercial fish species ... mean by-catch of 0.28 birds per deployment (0.12 b i rds / l 000 hooks) in November/December, which ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 93–99 : Auteur(s): Williams, R. and D. Capdeville

7. Interaction of marine mammals with the longline fishery around the Kerguelen Islands (Division 58.5.1) during the 1995/96 cruise

   ). Such interactions can result in damage to fishing gear, a reduction of catch rates and an increase in ... longline sets while counting the seabird by-catch. The results of seabird observations are described in ... the Kerguelen area. There does not seem to be any link between the catch rate of a line, or the ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 171–174 : Auteur(s): Capdeville, D

8. Assessment of krill flux factors in waters of South Orkney Islands during summer 1996

   - 95% confidence limit Mean MSBS (dB) -78.70 -74.58 -75.39 -71.42 -63.28 -71.19 -76.16 ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 195–204 : Auteur(s): Kasatkina, S.M., V.N. Shnar, M.I. Polischuk, A.M. Abramov and V.A. Sushin

9. Comparison of age readings from scales and otoliths of the Patagonian toothfish (Dissostichus eleginoides) from South Georgia

   this value of M to the Taylor formulae gave an age limit of 22.8. This figure is very close to the ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 191–203 : Auteur(s): Cassia, M.C

10. Feeding and food intake of Electrona carlsbergi (Tåning, 1932) Myctophidae

    during the cruise of RV Artemida. A sample of at least 25 fish were taken from every catch for ... from the same catch were combined for weighing. For calculation of the mean total index of stomach ... -catch in fisheries of kri11 Euphausia superba Dana (Euphausiacea, Crustacea). Polish archiv. Hydro-bio ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 411–416 : Auteur(s): Gerasimova, O.V.

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