Résultats de la recherche

1. 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

2. 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

3. e-sc-xii-a5.pdf

   ... in this region, with a catch limit of 240 tonnes. However, a fishing vessel from a non-member state ... COMMISSION IN 1992 CATCH AND EFFORT STATISTICS EXPERIMENTS AFFECTING CATCHABILITY OTHER DOCUMENTS ... Dissostichus eleginoides (Subarea 48.3) Review of Catch and Effort Data Catch Location from Fine-scale Data ... gunnari (Subarea 48.3) Commercial Catch Research Surveys Background Documents Stock Assessment Survey application/pdf attached to:WG-FSA-93

   Meeting Report : WG-FSA-93

4. e-sc-iii-a8.pdf

   ... measure. Measures to limit by-catch are in force in several fisheries in the northern hemisphere, with ... Commission would need to consider carefully methods to limit by-catch to the lowest level possible. In this ... types of data in respect of each stock – the total catch; the catch per unit effort (c.p.u.e.) in the ... small amount of other species. After a small catch in 1971, no catches were reported until 1976 application/pdf attached to:WG-FSA-84

   Meeting Report : WG-FSA-84

5. 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

6. e-cc-xiii.pdf

   ... the estimate of unexploited biomass which can be set as an annual catch limit, have been subject to ... , review of existing conservation measures and adoption of new conservation measures including catch ... and Electrona carlsbergi. A catch of 603 tonnes of D. eleginoides was reported from the longline ... in Division 58.5.1. A catch of 114 tonnes of myctophids was taken in Subarea 48.3. 3.4 The application/pdf attached to:CCAMLR-XIII

   Meeting Report : CCAMLR-XIII

7. e-sc-xxxiii-a6.pdf

   ... interim catch limit for krill in Subarea 48.1 (155 000 tonnes) was reached in June 2013 and that subarea ... subarea reached 98% (152 402 tonnes) of its interim catch limit on 17 May 2014 and the subarea was closed ... catch reports .................................................................... 197 Scientific ... observation ................................................................... 199 Fish by-catch application/pdf attached to:WG-EMM-14

   Meeting Report : WG-EMM-14

8. Conservation Measure Conservation Measure 22-06 (2010)

   with a catch limit greater than zero. 2. This conservation measure also applies to the area of ... to the Secretariat in accordance with the schedule of the Catch and Effort Reporting System ...

   Conservation Measure : 22-06 (2010)

9. Australia: An integrated stock assessment for the Heard Island and McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2

   results 9. MCMC results Model B0 SSB Status Catch limit 2015 Assessment 87 077 (78 500-97 547) 0.64 ... RSTS Trawl Longline Trap IUU catch 3. Fishing history – Trawl, longline and trap Survey Longline ... TrapTrawl Map with distribution of catch Map with distribution of catch Map with distribution of catch ... Map with distribution of catch 3. Fishing history: Longline Expansion of longline fishing ...

   Document : Site Section: Meetings

10. Scientific Abstracts 2002

    8 parameters exist between fishing areas, the calculation of catch limits should take these ... South Orkney Islands. Information on set locations, effort, yield, catch rates and the decision ... . Increasing catch rates with time are likely to be related to the experience of the captain, as opposed to ...

    Document : Site Section: Publications

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