Résultats de la recherche

1. On the use of baited remote underwater video to study Antarctic toothfish distribution under the sea-ice: from data collection to processing

   McMurdo Sound and Terra Nova Bay, in the southwestern Ross Sea. Here we report a methodological approach ... Abstract:  While fishery-dependent data represents the preferential way to collect geographically ... spreadtime series of data to study the Antarctic toothfish, it is limited to areas where commercial fishing ... is permitted either by management or vessel operational constraints. The use of Baited Remote ...

   Meeting Document : WG-EMM-2019/50 : Auteur(s): D. Di Blasi, S. Canese, E. Carlig, L. Ghigliotti, S.J. Parker and M. Vacchi

2. Abundance, size and maturity of krill (Euphausia superba) in the krill fishing ground of Subarea 48.1 during the 1990/91 austral summer

   Paper Title:  Abundance, size and maturity of krill (Euphausia superba) in the krill fishing ... ground of Subarea 48.1 during the 1990/91 austral summer Abstract / Description:  Acoustic and net ... sampling surveys for krill were conducted in the krill fishing ground north of the South Shetland Islands ... of krill were observed. The survey area was divided into four zones: oceanic, slope frontal, neritic ... current along the shelf break, before becoming trapped in Barclay Bay on the northern side of Livingston ... (EUPHAUSIA SUPERBA) IN THE KRILL FISHING GROUND OF SUBAREA 48.1 DURING THE 1990/91 AUSTRAL SUMMER T ... conducted in the krill fishing ground north of the South Shetland Islands from 18 January to 3 February ... 1991. Distinct offshore-inshore heterogeneities in abundance and maturity of krill were observed. The ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 183–199 : Auteur(s): Ichii, T., H. Ishii and M. Naganobu

3. Information on the status of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in the lower South Shetland Islands derived from a long-term monitoring program (1983–2006) at Potter Cover

   . gibberifrons. No recovery of the stocks of these two fish species was observed, even more than two decades ... Abstract:  The long term monitoring program of demersal fish at inshore sites of the South ... twenty four years, and at Harmony Cove, Nelson Island, in the austral summers from 2001 to 2003. The ... decline in trammel net catches of fjord fishes of the species Notothenia rossii and Gobionotothen ...

   Meeting Document : WG-FSA-06/25 : Auteur(s): E.R. Barrera-Oro and E.R. Marschoff (Argentina)

4. Spatial aggregation of harvesting in Subarea 48.1, in particular during the summer and close to the coast

   aggregation took place, one in the Bransfield Strait and one in Hughes Bay, on the Danco Coast. The latter ... the Subarea trigger allocation, it is uncertain whether any ecological impact ensued, as there was no ... Abstract:  We explore CCAMLR Catch and Effort data from the fishery for Antarctic krill for the ... period 1999/2000 to 2014/2015. We show that since 2013, both the number of hauls as well as the ...

   Meeting Document : WG-EMM-16/17 : Auteur(s): P. Trathan and S. Hill

5. Informations complémentaires liées aux mesures de conservation en vigueur

   Logiciel de calcul du crépuscule nautique A review of the effectiveness of streamer lines as a seabird by ...

   Page : Site Section: Conservation and Management

6. Bias in the estimation of krill yield from using a deterministic formulation of the median unexploited spawning biomass

   median pre-exploitation spawning biomass and, thus, requires no correction. This paper examines the ... Paper Title:  Bias in the estimation of krill yield from using a deterministic formulation of the ... median unexploited spawning biomass Abstract / Description:  Two Monte Carlo simulation models, the krill ... yield model and the generalised yield model (GYM), are currently available to CCAMLR that can be used ... , requires no correction. This paper examines the effects of the biased estimates of the median pre ... , the median level of escapement at the end of the projection period with no catches will not be ... no catches. However, they did not provide advice on how the biased estimate, S,, might affect the ... escapement at the end of the projection period should be equal to 1 when no catches are taken (stochastic ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 1–8 : Auteur(s): Constable, A.J. and W.K. de la Mare

7. On the power to detect changes using the standard methods for monitoring parameters of predatory species

   Paper Title:  On the power to detect changes using the standard methods for monitoring parameters ... of predatory species Abstract / Description:  The CCAMLR guidelines (CCAMLR, 1989) for analyzing the ... statistical power to detect changes are applied using variance estimates from studies at the South Shetland ... trip duration (C2.0). The other Standard Methods are not evaluated because the power analysis in the ... complexity of some of the designs, there may be no general formula for evaluating power or determining a ... from the study by Trivelpiece et al. (1989) at Admiralty Bay, King George Island (62°10'S, 58°30'W ... sample sizes for detecting changes of 10%, 20% and 30% of the mean values are shown in Table 2. No ... Population Size (A3.1) There were no suitable estimates of variance for the data on breeding population ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 377–397 : Auteur(s): Boveng, P. and J.L. Bengtson

8. Survey of Antarctic fur seals Arctocephalus gazella in the South Shetland Islands, Antarctica, during the 1986/87 austral summer

   were identified, some of which had not previously been reported. The largest pupping sites are at Telmo ... pinniped species observed during the survey are presented. The optimal sites for combined fur seal and ... Abstract:  A survey of Antarctic fur seals in the South Shetland Islands, Antarctica, during the ... Island and Cape Shirreff, on the north coast of Livingston Island. Total fur seal pup production in the ...

   Meeting Document : SC-CAMLR-VI/BG/18 : Auteur(s): J.L. Bengtson, L.M. Ferm (USA), T.J. Härkönen (Sweden), E.G. Schaner and B.S. Stewart (USA)

9. Abundance of Antarctic fur seals in the South Shetland Islands, Antarctica, during the 1986/87 austral summer

   seal pupping sites were identified, some of which had not previously been reported. The largest pupping ... sites were at Telmo Island and Cape Shirreff, Livingston Island, and at the Seal Islands, Elephant ... Abstract:  A survey of Antarctic fur seals (Arctocephalus gazella) in the South Shetland Islands ... , Antarctica, during the 1986/87 austral summer indicated that this species is continuing its population ...

   Meeting Document : WG-CEMP-90/41 : Auteur(s): J.L Bengtson, L.M. Ferm (USA), T.J. Härkönen (Sweden) and B.S. Stewart (USA)

10. The foraging range of Adelie penguins – implications for CEMP and interactions with the krill fishery

    and return with krill. The pattern of foraging is similar between sites. The potential for overlap ... not occur at these sites in normal ice years. It is suggested that an understanding of the potential ... Abstract:  This paper presents a summary of the foraging locations of the Ad6lie penguin at 7 ... widely spaced locations along the coast of Eastern Antarctica between 55°E near Enderby Land and 175°E in ...

    Meeting Document : WG-EMM-96/69 : Auteur(s): Rodary, D., Thomson, R., Tremont, R., Lawless, R., Gardner, H., Wienecke, B., Clarke, J.R., Kerry, K.R., Corsolini, S., Eberhard, S.

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