Résultats de la recherche

1. Upward adjustments to local catch limits for the krill fishery in Subarea 48.1

   during the fishing season, and 3) a decision rule that can be used to increase local catch limits when ... demonstrate that a simple index based on normalized CEMP parameters can be used to categorize predator ... values, agrees generally with expert opinion, and suggests that indices of foraging trip duration, fledge ... Abstract:  Here we compile three vignettes that, together, provide the basis for making upward ...

   Meeting Document : WG-EMM-16/47 : Auteur(s): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries

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

   the spawning stock biomass in accordance with CCAMLR criteria. These specify a bound on the ... probability that the spawning biomass will become depleted to below some specified level over a specified ... , natural mortality, spawning and fishing on estimates of yield and yield per recruit. It can also be used ... . The procedure numerically integrates a set of differential equations which incorporate functions that ... considered that a fishing mortality consistent with an escapement of 50% of the spawning stock biomass was ... , so that: (i) escapement of the spawning stock must be sufficient to avoid the likelihood of ... that: Expressing natural mortality by an average level, which can be modified by relative patterns ... mortality in each year so that only the single parameter F, needs to be evaluated. The age and season ...

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

3. Towards the development of an assessment of stock abundance for Subarea 88.2 SSRUs 88.2C–G – a discussion paper

   grounds based on historic CPUE and a maximum local exploitation rate. It should be noted that the catch ... recapture in this region we further recommend that the tagging rate in this area be increased to 3 tags per ... 2 fish have been recaptured. It is likely that the lack of tag recaptures in this region has been ... caused primarily by the poor spatial overlap of released tagged fish with subsequent fishing effort. By ...

   Meeting Document : WG-SAM-14/28 : Auteur(s): S.M. Hanchet and S.J. Parker (New Zealand)

4. Fishery Report: Exploratory fishery for Dissostichus spp. (TOT) in Division 58.4.3a

   Season 1 May to 31 August, with fishing permitted outside the prescribed season provided that each ... 31 August 2012. Fishing was permitted outside the prescribed season provided that each vessel ... ................................................................ 8 Throughout this report the CCAMLR fishing season is represented by the year in which that ... that high levels of illegal, unreported and unregulated (IUU) fishing for Dissostichus spp. in the ...

   Document : Site Section: Publications

5. A proposal for a standardised survey for Antarctic toothfish in McMurdo Sound

   mammalian predators in the area. Age composition, physiology, and diet objectives can be met with the ... methodology for a standardised hook and line survey were trialled in McMurdo Sound. Data collected will be ... integrated with ongoing collaborative research programmes to determine the importance of toothfish to ... current design. However, power analysis based on historical catch data suggests that the sample size ...

   Meeting Document : WG-FSA-15/33 : Auteur(s): S.J. Parker, S.M. Hanchet and S. Mormede (New Zealand)

6. SCAR group of specialists on living resources of the Southern Ocean – Newsletter 3

   forward to meeting with her at the Woods Hole meeting next August. 2. Soviet Fish Catches in the ... . This paper will be a team effort, with Dr. Scharfe coordinating the team's work. iii. Dr. Rene ... iv. I will be leaving soon for La Reunion to participate with my French colleagues on MARION ... infor.med that Dr. T. G. Lubimova, Chief, Laboratory of Antarctic Resources of the All-Union Scientific ...

   Document : Site Section: The Organisation

7. Data on krill, Euphausia superba Dana, consumption by coastal fishes in Division 58.4.2 (Kosmonavtov and Sodruzhestva Seas)

   100-500 m in the area between 30 and 80°E, the total fish stock was evaluated to be 551.300 t ... . Seasonal (December-April) E.superba consumption by these fishes made 960.000 t. The data are given on ...

   Meeting Document : SC-CAMLR-X/BG/11 : Auteur(s): Delegation of USSR

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

   and trap sub-fisheries. Compared to the 2015 assessment that was accepted by WG-FSA-15 to be used for ... its higher productivity with the updated maturity parameters, meant that the catch limit that ... eleginoides) fishery at Heard Island and McDonald Islands in CCAMLR Division 58.5.2 with data until end of the ... data to aid with the estimation of year class strength and selectivity functions of the trawl, longline ...

   Meeting Document : WG-FSA-17/19 : Auteur(s): P. Ziegler

9. Update of ongoing work on age and growth of Antarctic toothfish (Dissostichus mawsoni) (2013-14 season) from Division 58.4.1 by Spain

   slightly with the values used in the Ross sea assessment for males. Author(s):  L.J. López-Abellán, M.T.G ... parameters obtained using length-age pair values are: L ∞: 175.7, k: 0.1078 and t 0: 1.528 for females; L ... ∞: 150.3, k: 0.1491 and t 0: 1.809 for males; and L ∞: 169.8, k: 0.1087 and t 0: 1.168 all combined. These ...

   Meeting Document : WG-FSA-16/58 : Auteur(s): L.J. López-Abellán, M.T.G. Santamaría, R. Sarralde and S. Barreiro

10. Changes in population size of large Procellariiformes breeding in the French sub-Antarctic islands: potential influence of southern fisheries and particularly long lining

    indicate that most albatross and giant petrel populations have markedly declined. Demographic studies ... indicate that these declines are mainly the result of increased adult mortality. This high rate of ... mortality has been suspected to be the result of mortality incurred in long-line fisheries. Satellite ... tracking studies of breeding birds and band recoveries of non breeding birds indicate that during and ...

    Meeting Document : WG-IMALF-94/11 : Auteur(s): Henri Weimerskirch and Pierre Jouventin (France)

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