Résultats de la recherche

1. Preliminary results on by-catch of fishes caught by the fishery vessel Chiyo Maru No. 3 to the north of the South Shetland Islands (February to March, 1996)

   in 11 hauls operated at some distance from the shelf, in the offshore waters with a depth of 275 ... found in 15 hauls, and its estimated value of an arithmetic mean was 4±19 ind./t (0 to 140 ind./t) of ... carlsbergi, which was found in samples from 6 hauls, was the next in abundance. Its arithmetic mean was 3±21 ... . 3 were made from 3 February to 6 March, 1996 to the north of the South Shetland Islands. Among 147 ...

   Meeting Document : WG-EMM-96/52 : Auteur(s): Ichii, T., Kawaguchi, S., Naganobu, M.

2. Pairwise tag performance: testing the sensitivity of the tag detection index and the mortality of tagged fish index

   and in the same fishing season). The method showed that when the confounding effects of variable ... with respect to the tag detection index in the Ross Sea region. Here we present the results of ... useful as is the index of tag detection rate. We recommend that in the absence of a better index of ... . This recommendation is in accordance with that of most of the participants at WG-SAM 2013 (paragraph ...

   Meeting Document : WG-FSA-13/50 : Auteur(s): S. Mormede (New Zealand)

3. DISCRIMINATION OF ENVIRONMENTAL VARIABLES THAT INFLUENCE THE CATCH PER UNIT EFFORT: THE CASE OF THE ANTARCTIC KRILL FISHERY

   vessel efficiency, variations in fishing strategies, and environmental fluctuations. The selection of the ... effect. The use of APSL12 in the GLM increased the explanation of the deviance by 31% as compared with ... effects in the standardization of the CPUE that would result in less biased and more accurate indexes of ... Abstract:  The use of the catch per unit effort (CPUE) as an index of abundance usually requires a ...

   Meeting Document : WG-EMM-11/P3 : Auteur(s): J.C. Quiroz, R. Wiff, M.A. Barrientos and F. Contreras

4. A review of the diet and at-sea distribution of penguins breeding within the CAMLR Convention Area (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   . These models require information on the number of predators in a population, their nutritional demands ... published information on the diet and at-sea distribution of the six penguin species that breed in the CAMLR ... Paper Title:  A review of the diet and at-sea distribution of penguins breeding within the CAMLR ... in an ecologically sensitive manner demands that catches do not depress stocks within the foraging ... produce estimates of total prey consumption require data on the number of indi- viduals in a population ... ) where three of the focal penguin species breed, is included in order to ensure that the review is ... source. In the case of the review of diet, studies that only present data on composition within a ... information on the number of predators in a population, their nutritional demands, their diet composition and ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 75–114 : Auteur(s): Ratcliffe, N. and P. Trathan

5. A brief outline of the biology of the Antarctic silverfish, Pleuragramma antarcticum Boulenger, 1902 (Nototheniidae) from the Antarctic Indian Ocean

   species in the outer waters of Antarctica. In the Indian sector of the Southern Ocean there are at least ... Abstract:  The Antarctic silver fish (Pleuragramma antarcticum) is one of the most numerous ... three relatively isolated groups. Fish aged from 0+ to 3+ years live in the epi- mesopelagic zone where ... when they reach 13-16 cm in length and 4-6 years of age. Males reach maturity at 12-18 cm in length and ...

   Meeting Document : WG-FSA-92/11 Rev. 1 : Auteur(s): V.V. Gerasimchuk (Ukraine)

6. Updated models of the habitat use of Patagonian toothfish (Dissostichus eleginoides) on the Kerguelen Plateau around Heard Island and the McDonald Islands (Division 58.5.2)

   (Dissostichus eleginoides) in the CCAMLR area, with landings of  >5000 t.yr-1 from the French EEZ (Division ... quantify the effect of bathymetry in structuring the spatial distribution of different length classes and ... sex ratio of 0.6 was found in between. The recent discovery of extensive areas of spawning activity in ... in the HIMI part of the Kerguelen Plateau. The distribution and ecology of the early life history ...

   Meeting Document : WG-FSA-14/42 : Auteur(s): C. Péron and D.C. Welsford (Australia)

7. Analysis of the by-catch of Channichthys rhinoceratus and Lepidonotothen squamifrons from the fisheries at Heard Island and the McDonald Islands (Division 58.5.2)

   research data analysed in this study shows that both species are widespread over the plateau in waters of ... squamifrons are among the most common species bycaught in the toothfish and mackerel icefish trawl fisheries ... at Heard Island and McDonald Islands (HIMI) (Division 58.5.2). These species are rarely taken in the ... longline fishery, but form the most abundant bycatch of the trawl fisheries after skates (Bathyraja spp ...

   Meeting Document : WG-FSA-12/24 : Auteur(s): G.B. Nowara, D.C. Welsford, S.G. Candy and T.D. Lamb (Australia)

8. A model at the level of the foraging trip for the indirect effects of krill (Euphausia superba) fisheries on krill predators

   Abstract:  1. Although the development of fisheries for krill in the southern oceans has prompted ... relative comparisons of penguin reproductive success and adult survival in the absence or presence of a ... distribution of available krill. 4. We assume that after fledging, offspring survival depends in part upon the ... range of catch in our study, the reductions in reproductive success, are essentially linear functions of ...

   Meeting Document : WG-EMM-96/20 : Auteur(s): Switzer, P.V., Mangel, M.

9. Convener’s summary on intersessional activities of the Subgroup for the Implementation of the CCAMLR-2008-IPY-Survey

   intersessional steering group to formulate CCAMLR’s Expression of Intend for activities in the IPY and submit ... Abstract:  At its last meeting in October 2004 the Scientific Committee agreed that a synoptic ... acoustic survey in the South Atlantic region would be the most appropriate activity for CCAMLR in the IPY ... 2008. It was agreed that a synoptic acoustic/net sampling survey in the South Atlantic region should ...

   Meeting Document : SC-CAMLR-XXIV/BG/02 Rev. 1 : Auteur(s): V. Siegel (Convener, Steering Group ‘CCAMLR-2008-IPY-Survey’)

10. A model at the level of the foraging trip for the indirect effects of krill (Euphausia superba) fisheries on krill predators

    of penguin reproductive success and adult survival in the absence or presence of a fishery. The ... structure, determined by diffusion and advection, to krill availability in relation to the location of the ... krill. After fledging, offspring survival depends in part upon the amount of krill delivered to them ... by the fishing fleet. Over the range of catch in our study, the reductions in reproductive success ...

    Meeting Document : WG-EMM-98/48 : Auteur(s): M. Mangel and P.V. Switzer (USA)

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