Résultats de la recherche

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

   catch limit for the fishery (CCAMLR Conservation Measure 32/X; SC-CAMLR, 1991). A number of parameters ... procedures and a new precautionary catch limit for t l ~ e krill fishery (CCAMLR Conservation Measure 32 ... consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass ... Limit of Grid of Grid Northern Southern Western Eastern Scotia Sea 62'5, 40°W 0" 49"s 62"s 56"W 20°W ...

   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

2. Status of the FIBEX acoustic data from the West Atlantic

   Marine Living Resources (CCAMLR) set a precautionary catch limit for Antarctic krill in Statistical ... time the precautionary catch limit was set, SC-CAMLR also requested that the FIBEX acoustic data be ... Area 48 (Conservation Measure 32/X). This limit was based on calculations undertaken by the ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 35–48 : Auteur(s): Trathan, P.N. and I. Everson

3. A stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region incorporating multi-year mark-recapture data

   catch-at-age data. This is the first published stock assessment of toothfish in the Ross Sea region. It ... catch for Antarctic toothfish in the RSR, by fishery, as well as the catch limit in each year, is ... 375 547 3 199 3 282 2013 260 2 450 411 3 121 3 282 Total 2 612 24 521 5 862 32 995 1 Catch limit ... subsequent multi-year data of recapture of tagged fish in conjunction with fishery catch-at-age data. This ... . Mormede et al. 40 to 10 nations each year (Hanchet et al., 2013). Initially, catch limits were derived ...

   Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 39–62 : Auteur(s): Mormede, S., A. Dunn and S.M. Hanchet

4. A generalised model for evaluating yield and the long-term status of fish stocks under conditions of uncertainty

   to evaluate stochastic stock trajectories under a specified catch regime. The model uses an adaptive ... Runge-Kutta algorithm to calculate stock trajectories and catch rates over a specified simulation period ... known catch history and thus allow assessments of yield to be made for existing fisheries. An example is ... consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass ... can also be used to evaluate stochastic stock trajectories under a specified catch regime. The model ... uses an adaptive Runge-Kutta algorithm to calculate stock trajectories and catch rates over a ... . The model can include a known catch history and thus allow assessments of yield to be made for ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 31–54 : Auteur(s): Constable, A. and W.K. de la Mare

5. Preliminary model of krill fishery behaviour in Subarea 48.1

   Elephant Islands in alternate years would result in an average yearly catch similar to that at present ... . However, in this scenario, the catch would be more concentrated in foraging areas of land-based predators ... effectively unlimited compared to the size of the catch and thus there was no limit to catch in any fine ... Livingston and Elephant Islands in alternate years would result in an average yearly catch similar to that ... at present. However, in this scenario, the catch would be more concentrated in foraging areas of ... 48.1). Although only about 20% of the South Atlantic catch has been taken in Subarea 48.1, the catch ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 71–79 : Auteur(s): Agnew, D.J. and V.H. Marín

6. Fish distribution and biomass in the Heard Island zone (Division 58.5.2)

   precautionary catch limit for each species could be calculated using a method similar to that used for the ... annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey. CCAMLR ... ; Sosinski, 1985), and the possibility that some of the Soviet catch of C. gunnari from the early 1970s ... according to their deepest limit, i.e. the 300-500 m stratum is referred to as stratum 500. These strata ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 1–20 : Auteur(s): Williams, R. and W.K. de la Mare

7. CCAMLR ecosystem monitoring and a feedback management procedure for krill

   discussions (see Nicol, 1991 for review) and resulted in the establishment of a Precautionary Catch Limit of ... given a high priority to the establishment of additional precautionary catch limits in the other parts ... only a few areas from which most of the krill catch is taken. Further, the WG-CEMP needs to examine ... catch is taken currently (SC-CAMLR, 1991 - paragraph 6.34), may impact on the capacity for the WG-CEMP ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 345–350 : Auteur(s): Constable, A.J.

8. Response to Everson (2008)

   is used by CCAMLR in determining the precautionary catch limit for krill, does not appear to ... both crucial input parameters used by CCAMLR to set precautionary catch limits for krill (Hewitt et ... from commercial catch and effort data using maximum entropy tomography. Can. J. Fish. Aquat. Sci., 55 ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 195–198 : Auteur(s): Brierley, A.S., B.G. Heywood and S.F. Gull

9. Use of indices of predator status and performance in CCAMLR fishery management

   difficult and imposing a catch limit, even in a subarea, is unlikely to be the most effective way of ... , nowadays, profit margins are usually small. Restrictions on the timing, location, or permitted catch ... -dependent factors ultimately limit population size (Croxall and Rothery, in press), indices of status and ... catch in an area requires regular reporting of catches by all vessels and a system for informing them ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 353–365 : Auteur(s): Croxall, J.P.

10. Commercial fishing vessels as research vessels in the Antarctic – requirements and solutions exemplified with a new vessel

    Conti, 2005; SC-CAMLR, 2010) with a precaution- ary catch limit of 5.6 million tonnes (Conservation ... dramatically over its 30- to 40-year history. The present annual catch in the Atlantic sector of the Southern ... historic maximum catch of over 500 000 tonnes. The most up-to-date large- scale survey took place in 2000 ... Measure 51-01). Despite the low total catch, there is still considerable concern for the negative impact ...

    Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 11–17 : Auteur(s): Godø, O.R., C. Reiss, V. Siegel, J.L. Watkins

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