Résultats de la recherche

1. Maximum entropy reconstructions of krill distribution and estimates of krill density from acoustic surveys at South Georgia, 1996–2000

   , I. Everson and D.G.M. Miller. 2002. Setting a precautionary catch limit for Antarctic krill ... D. Gresham. 1998. Fine-scale mapping of fi sh distribution from commercial catch and effort ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 91–100 : Auteur(s): Wafy, M.H., A.S. Brierley, S.F. Gull and J.L. Watkins

2. Fishing for toothfish using pots: results of trials undertaken around South Georgia, March–May 2000

   a pot fishing method to catch Patagonian toothfish (Dissostichus eleginoides) around South Georgia ... method successfully caught D. eleginoides, there was a large by-catch of crab species. The catch rate of ... eliminated bird by-catch. To capitalise on this feature, there is a need to improve the commercial viability ... of the method and minimise the quantity of by-catch. A number of potential changes are suggested to ... period March to May 2000, the UK undertook trials of a pot fishing method to catch Patagonian toothfish ... , there was a large by-catch of crab species. The catch rate of toothfish was notably lower than that ... achieved in the longline fishery. Importantly, the use of pots eliminated bird by- catch. To capitalise on ... ~~ant i ty of by-catch. A number of potential changes are suggested to this end. Resume De mars a ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 93–105 : Auteur(s): Agnew, D.J., T.M. Daw, G.M. Pilling and M.G. Purves

3. Krill biomass in Area 48 and Area 58: recalculations of FIBEX data

   precautionary catch limit contained in Conservation Measure 32/X, (SC-CAMLR, 1991a - paragraph 6.54) was based ... Marine Living Resources (CCAMLR) set precautionary catch limits for krill in Statistical Area 48 ... to set the precautionary catch limits, SC-CAMLR has requested that the FIBEX data should be re ... is typical of the areas where the precautionary catch limits were set. Most easily appraised are ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 157–181 : Auteur(s): Trathan, P.N., D.J. Agnew, D.G.M. Miller, J.L. Watkins, I. Everson, M.R. Thorley, E. Murphy, A.W.A. Murray and C. Goss

4. Consideration of major issues in ecosystem monitoring and management

   species can be counted on dry land or has to be estimated from trawl catch rates. In addition, there ... as the Critical Period Distance (CPD). The index is currently calculated as the krill catch within ... region. They showed that although a high proportion of the catch may be taken within the foraging ... –krill requirement for the location Kp. The other component is the krill catch Kc over the same period ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 213–232 : Auteur(s): Everson, I

5. Changes in the fish biomass around Elephant Island (Subarea 48.1) from 1976 to 1996

   decline in krill biomass on any of the higher-level predators. A precautionary catch limit for each ... Peninsula. By-catch species reported were bumphead notothenia (Gobionotothen gibberifrons), Scotia Sea ... MATERIAL AND METHODS The analysis was primarily based on catch compositions (in weight and numbers) of ... abundant species was estimated from catch-per-haul information using the minimum variance unbiased ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 165–189 : Auteur(s): Kock, K.-H

6. A post-processing method to remove interference noise from acoustic data collected from Antarctic krill fishing vessels

   catch limit for the krill fish- ery in the southwest Atlantic (Hewitt et al., 2004; CCAMLR, 2015). To ...

   Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 17–30 : Auteur(s): Wang, X., J. Zhang and X. Zhao

7. Mesopelagic fish of the Southern Ocean - summary results of recent Soviet studies

   could be exploited without harming the main population in the notal zone. A catch limit on E ... exact M and depending :range dependent on latitude on catch latitude Bellingshausen Sea Jan-March ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 433–457 : Auteur(s): Sabourenkov, E.N.

8. Commercial krill fisheries in the Antarctic, 1973 to 1988

   ) are used to discern observable trends in catch and effort for the Antarctic krill (Euphausia superba ... ) fishery between 1972/73 and 1987/88. The annual krill catch rose gradually to a peak of some 500 000 ... thereafter. In terms of both catch and effort the Soviet and Japanese krill fisheries in Subareas 48.1, 48.2 ... Conservation of Antarctic Marine Living Resources (CCAMLR) are used to discern observable trends in catch and ... krill catch rose gradually to a peak of some 500 000 tonnes in 1981/82 before dropping to a low level ... in 1983/84 and stabilizing at about 400 000 tonnes thereafter. In terms of both catch and effort ... . Catch statistics will be used to indicate areas where the fishery has been most active and from which ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 229–281 : Auteur(s): Miller, D.G.M.

9. A first step towards modelling the krill–predator dynamics of the Antarctic ecosystem

   , being much less than the precautionary catch limit of 4 million tonnes set by CCAMLR for the Scotia ... the 1960s and 1970s. Based on historical catch information for blue whales and the fit of a logistic ... gunnari) became a target of the former Soviet Union fleets in the mid- 1970s, and the mean annual catch ... was a rapid rise in such activi- ties in the Indian Ocean, leading to a catch sub- stantially above ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 217–277 : Auteur(s): Mori, M. and D.S. Butterworth

10. Possible effects of different levels of krill fishing on predators – some initial modelling attempts

    consequences of Butterworth and Thomson setting the annual krill catch limit to a fixecl krill may affect ... -exploitation biomass survey estimate of krill which fixes the constant annual catch to be taken kn subsequent ... equation (l). To investigate the consequences of different Deterministic Evaluations fixed-catch ... medians of the distributions of N after 200 years of a constant annual catch of krill (this catch is ...

    Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 79–97 : Auteur(s): Butterworth, D.S. and R.B. Thomson

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