Résultats de la recherche

1. Effects of different harvesting strategies on the stock of Antarctic icefish Champsocephalus gunnari around South Georgia

   Champsocephalus gunnari have been simulated for a period of 30 years. These were- diffierent levels of constant ... of the incoming year class. An increaseof F, however, should not occur before 4 years after a good ... years after a good recruitment,- pulse fishing at an interval of 3 years with no fishing in between;- a ...

   Meeting Document : SC-CAMLR-VIII/BG/47 : Auteur(s): Delegation of Federal Republic of Germany

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

   Abstract:  Here we compile three vignettes that, together, provide the basis for making upward ... founded on 1) a “stoplight” classification of predator performance to identify years when predator ... predator populations, 2) repeat acoustic surveys to identify years when local krill biomass increases ...

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

3. UPDATED KRILL RECRUITMENT DATA FOR THE ELEPHANT ISLAND REGION OF THE SOUTH SHETLAND ISLANDS, ANTARCTICA; 2002-2008

   derived from the CMIX procedure, and were also derived as a proportion of the <30 mm length class for ... , with low recruitment occurring during the intervening years. Significant differences in the ... proportional recruitment indices occurred between legs within years indicative of the changing pattern of krill ...

   Meeting Document : WG-EMM-08/41 : Auteur(s): C. Reiss (USA)

4. Environmental variability and the behavioural dynamics of Antarctic fur seals in the South Atlantic

   had strong effects when lagged by one year. This was supported by bivariate correlation between the ... gazella) over 15 years at the island of South Georgia in relation to major indices of southern hemisphere ... had the greatest effect when entered into regression models together. There was also a significant ...

   Meeting Document : WS-AREA 48-98/16 : Auteur(s): I.L. Boyd (UK)

5. Developing a Ross Sea region medium-term data collection plan

   -CCAMLRXXVII paragraph 4.160 vi). The long-term goals of the Ross Sea fishery based on Article II of CAMLR can ... , proposed medium term research objectives for the Ross Sea fishery for the next 5–7 years were developed in ...

   Meeting Document : WG-FSA-10/32 : Auteur(s): S. Mormede and S. Hanchet (New Zealand)

6. Draft updated data collection plan for the Ross Sea toothfish fishery

   2015/16 fishing year onwards. It is also recommended that observers avoid using generic species codes ... Article II of CCAMLR can be summarised as: the target fished population is above a level which ensures ... research objectives for the Ross Sea fishery for the next 5–7 years were developed in 2014. These medium ...

   Meeting Document : WG-FSA-15/40 : Auteur(s): S.M. Hanchet, S.J. Parker and S. Mormede (New Zealand)

7. Preliminary evaluation of two feedback management strategies for the krill fishery in Subareas 48.1–48.3

   for the krill fishery will compromise the Commission’s ability to achieve the objectives in Article II ... management units (SSMUs) every five years based on results of monitoring either (1) the density of krill (g·m ...

   Meeting Document : SC-CAMLR-XXXVII/BG/12 : Auteur(s): Delegation of the USA

8. Best practice seabird by-catch mitigation for Spanish-rig longline vessels with emphasis on line weighting regimes

   priority because Spanish system gear, while fast to deeper depths (10-20 m), is slow to clear surface ... between weights on longlines (30 m, 40 m and 50 m) and mass of the weights (4 kg, 6 kg and 8 kg) on sink ... time profiles of longlines. The variable was the sink time to six target depths from 1-20 m as ... with weights 30 m apart and either 6 kg or 8 kg traditional weighs, or 40 m and 8 kg weights, most ...

   Meeting Document : WG-FSA-06/22 : Auteur(s): G. Robertson (Australia), C.A. Moreno (Chile), B. Wienecke (Australia), P. Gandini (Argentina), G. McPherson (Australia) and J.-P. Seco Pon (Argentina)

9. Assessment of Patagonian toothfish (D. eleginoides) in Subarea 48.3

   . Projections indicate that a constant catch of 2 600 tonnes in the 2017/18 and 2018/19 seasons would be ... the current status of the stock is at 51% of B 0. Spawning biomass has been increasing in recent years ...

   Meeting Document : WG-FSA-17/53 : Auteur(s): T. Earl and S. Fischer

10. Assessment of the Patagonian Toothfish (D. eleginoides) in Subarea 48.3

    35 years with 50% probability, with less than 1% probability declining below 20% of B0 and would ... . The 2008 year class is estimated to be well above average. Provisional projections indicate that a ... the current status of the stock is at 52% of B0. Spawning biomass has been increasing in recent years ...

    Meeting Document : WG-FSA-15/59 : Auteur(s): T. Earl, M. Soeffker and C. Darby (United Kingdom)

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