Resultados de la búsqueda
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Biology and harvesting of Dissostichus eleginoides around Kerguelen Island (Division 58.5.1)
Abstract: Dissostichus eleginoides is becoming an increasingly important species in the fisheries ... of the Southern Ocean. In Division 58.5.1, a directed trawl fishery has been in operation since 1984 ... /85 and has expanded in the deep western sector of the Kerguelen shelf. This fishery harvests the sub ... -adult/adult part of the stock. Fishing effort and corresponding catches are very variable from one year ...
Meeting Document : WG-FSA-91/09 : Autor(es): G. Duhamel (France)
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Propuesta de la UE para proteger comunidades y hábitats marinos en áreas expuestas por el retroceso o el derrumbamiento de barreras de hielo en las Subáreas 88.3, 48.1 y 48.5
Abstract: This paper introduces a draft Conservation Measure for the designation of Marine ... Protected Areas for the protection of habitats and communities under ice shelves, glaciers and ice tongues ... . Adoption of this Conservation Measure would provide for the precautionary protection of new habitats after ... ice shelves collapse, and for protecting the establishment of new biodiversity as it develops in these ...
Meeting Document : CCAMLR-XXXI/30 : Autor(es): Delegation of the European Union
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Conceptual model of Antarctic epi- and mesopelagic fish
Abstract: The Convention for the Conservation of Antarctic Marine Living Resources (CCAMLR) is ... currently considering plausible models of the Southern Ocean ecosystem within the Working Group on Ecosystem ... Monitoring and Management (WG-EMM). Epi- and mesopelagic fish are key components in the oceanic (deep water ... ) marine ecosystem throughout the CCAMLR area. While not in most cases the object of commercial fisheries ...
Meeting Document : WG-EMM-04/58 : Autor(es): R. Williams (Australia)
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Second International Fishers Forum: executive summary Western Pacific Regional Fishery Management Council
Abstract: While work to develop solutions to reduce the bycatch of seabirds and sea turtles by ... the waters of many nations during their life cycle. To further this cause, the Western Pacific Fishery ... Regional Fishery Management Council hosted the Second International Fisheries Forum (IFF2), November 19-22 ... , 2002, in Honolulu, Hawaii. IFF2 built on the First International Fishers Forum (IFF1) held in Auckland ...
Meeting Document : WG-FSA-03/25
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Population trends of albatrosses and petrels at sub-Antarctic Marion Island
Abstract: We report on the population changes of five species of Procellariiform seabirds ... -chinned petrel (Procellaria aequinoctalis). The four large surface-nesting species (wandering albatross ... , grey-headed albatross and the northern and southern giant petrel) show similar population trends over ... the last 16-18 years. All were stable or decreasing during the 1980s, followed by a recovery period ...
Meeting Document : WG-FSA-01/11 : Autor(es): D.C. Nel, P.G. Ryan, R.J.M. Crawford, J. Cooper and O. Huyser (South Africa)
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Effect of orientation on broadband acoustic scattering of Antarctic krill Euphausia superba: implications for inverting zooplankton spectral acoustic signatures for angle of orientation
and video footage from several Antarctic krill were carried out to determine the effect of animal ... incidence relative to the incident acoustic wave exhibited widely spaced, deep nulls, whereas off-broadside ... echo spectra had a more erratic structure, with several closely spaced nulls of variable depth. The ... pattern of changes in echo spectra with orientation for the experimentally measured acoustic returns was ...
Meeting Document : WG-EMM-99/41 : Autor(es): L.V. Martin Traykovski (USA), R.L. O’Driscoll (New Zealand) and D.E. McGehee (USA)
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Krill biomass estimates for South Georgia, December and January 1996/97
conducted within two 80 x 100 km areas over the shelf-break to the north-east and north-west of South ... Georgia during December/January 1996/97. Netting suggested that the mean lengths of krill within the ... to be attributable to krill were identified on the basis of the difference between mean volume ... volume backscattering strengths at 120 kHz were scaled by the appropriate TS value to determine mean ...
Meeting Document : WG-EMM-97/48 : Autor(es): Goss, C., Watkins, J.L., Brierley, A.S.
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Validation of age determination in Notothenia coriiceps, by means of a tag-recapture experiment at potter cover, South Shetland Islands
Shetland Islands, in successive years from 1989 to 1992, 9 were recaptured at the same site after periods ... of 11-21 months. A comparison was carried out between the annuli found in scales removed before and ... after the period of liberty. In scales of those specimens recovered after 11-13 months, one extra ... annulus was laid down. The same analysis in one individual recovered after 21 months resulted in 2 extra ...
Meeting Document : WG-FSA-94/12 : Autor(es): E.R. Barrera-Oro and R.J. Casaux (Argentina)
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A proposal for a standardised survey for Antarctic toothfish in McMurdo Sound
through the annual sea ice in McMurdo Sound to monitor the age composition, diet, maturity, and local ... integrated with ongoing collaborative research programmes to determine the importance of toothfish to ... mammalian predators in the area. Age composition, physiology, and diet objectives can be met with the ... current design. However, power analysis based on historical catch data suggests that the sample size ...
Meeting Document : WG-FSA-15/33 : Autor(es): S.J. Parker, S.M. Hanchet and S. Mormede (New Zealand)
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A review and analysis of indices from CEMP data
examine the temporal patterns in the available time series as well as inter-site and inter-species ... Abstract: A data checking and validation process was undertaken for the data held in the CCAMLR ... comparisons. A series of questions designed to improve the understanding of the characteristics of different ... paramters is provided for discussion by the Working Group. Author(s): Secretariat Title: A review and ...
Meeting Document : WG-EMM-12/62 : Autor(es): Secretariat