Résultats de la recherche
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Dense populations of the Antarctic scallop (Adamussium colbecki) in Terra Nova Bay (Subarea 88.1J): potential VMEs adjacent to the Terra Nova Bay ASPA (No. 161)
Abstract: Benthic communities of the Terra Nova Bay area (Ross Sea) close to the Italian station ... Mario Zucchelli is located, have been largely investigated in the last couple of decades. All the ... acquired knowledge supports the presence of very rich and diversified communities. This has led to the ... establishment of an ASPA (N° 161). The Antarctic scallop, Adamussium colbecki (Smith, 1902), is one of the most ...
Meeting Document : WG-EMM-12/23 : Auteur(s): M. Chiantore and M. Vacchi (Italy)
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Review of fishery monitoring and forecast procedures
Abstract: The Secretariat monitors the catches of all target and by-catch species (or species ... closed 68 fishing areas, and the total catches of Dissostichus in areas closed using the forecast model ... averaged 98.5% of the relevant catch limits. The forecast model relies on the assumption that the fishery ... the prediction. Using this prediction approach assumes that there will be underruns and overruns of ...
Meeting Document : WG-SAM-13/06 : Auteur(s): Secretariat
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Diet composition of Antarctic toothfish
determined. Sampling efforts were made during a longline survey of pre-recruit toothfish from commercial ... muscle tissue of Antarctic toothfish, bycatch specimen and icefish in the stomachs indicated a trophic ... connection between the toothfish and icefish. In this study, similarities in the δ13C values δ15N values of ... Antarctic toothfish indicate they occupy same trophic position irrespective of the area, body size, sex, and ...
Meeting Document : WG-FSA-16/06 : Auteur(s): Delegation of the Republic of Korea
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Polish krill fishery in the 1991/92 and 1992/93 seasons results of catches and biological investigations
, attained in the 1992/1993 season. The report presents an analysis of Polish krill catches in the 1991/1992 ... and 1992/1993 seasons. CPUEs by month in individual subareas of the Atlantic sector of the Antarctic ... were calculated. The results of biological investigations of krill on the fishing grounds of the South ... ) Title: Polish krill fishery in the 1991/92 and 1992/93 seasons results of catches and biological ...
Meeting Document : WG-Krill-94/09 : Auteur(s): J. Sosinski and Z. Cielniaszek (Poland)
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Development of the VME registry
Abstract: The Secretariat has proposed a work plan and budget for the development of a VME ... related data, for generating web-based lists of VMEs notified under CM 22-06 and VME risk areas and fine ... and information related to VMEs and risk areas and a selection of maps of VMEs, risk areas, and ... rectangles, including locations and taxonomic composition, is intended to be posted on the public section of ...
Meeting Document : WG-FSA-10/07 : Auteur(s): Secretariat
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Indexing maturation of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region
and 88.2 have provided more than a decade of observations to aid in understanding the life history and ... ecology of toothfish. Updated spawning ogives for males and females support the currently used values ... . Using histological samples, a summer GSI threshold of 1% appears to be a good indicator of vitellogenic ... upcoming season. Observations of post-spawning fish on the slope indicate that some females either spawn on ...
Meeting Document : WG-FSA-12/40 : Auteur(s): S. Parker and P. Marriott (New Zealand)
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Development of a spatially-explicit minimum realistic model for Antarctic toothfish (Dissostichus mawsoni) and its main prey (Macrouridae and Channichthyidae) in the Ross Sea
Abstract: To explore the potential effects of the toothfish fishery on the population dynamics of ... -based population dynamics of toothfish, grenadier, and icefish, and include natural mortality (M1) and ... of the nature of the interaction. Whilst this model is in a development stage, it provides a useful ... tool for evaluating potential impacts of the fishery on key prey species, and for assessing and ...
Meeting Document : WG-EMM-14/51 : Auteur(s): S. Mormede, M. Pinkerton, A. Dunn, S. Hanchet and S. Parker (New Zealand)
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Committee for Environmental Protection: 2014 Annual Report to the Scientific Committee of CCAMLR
Abstract: Cooperation between the Scientific Committee of CCAMLR (SC-CAMLR) and the Committee for ... Environmental Protection (CEP) has been steadily increasing over the last few years to the mutual benefit of ... between the Chairs of the CEP and SC-CAMLR, the report of the CEP meeting is presented to SC-CAMLR by the ... CEP Observer to SC-CAMLR and the report of the meeting of SC-CAMLR is presented to the CEP by the SC ...
Meeting Document : SC-CAMLR-XXXIII/BG/13 : Auteur(s): CEP Observer to SC-CAMLR (Dr P. Penhale, USA)
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Quantifying the impacts of ice on demersal longlining; a case study in CCAMLR Subarea 88.1
Abstract: The effect of sea ice is acknowledged as a major influence on fishing operations in ... provide a method to quantify the effect of sea-ice on fishing. We discuss the ways in which ice effects ... fishing operations and the result of these impacts on fishing such as the time required to reach the catch ... limit and compression of fishing effort due to a reduction in fishing ground extent in years when sea ...
Meeting Document : WG-FSA-14/55 Rev. 1 : Auteur(s): J.M. Fenaughty and S.J. Parker (New Zealand)
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Modelling the circumpolar distribution of Antarctic toothfish using correlative species distribution modelling methods
used to predict the circumpolar distribution of habitat suitability for Antarctic toothfish. Potential ... are the types of CCAMLR data (i.e. presence of the species and/or attributes) and modelling algorithms ... suggested and highlighted for discussion. Preliminary results are provided to demonstrate the application of ... (bathymetry and latitude) and default model settings were used. Evaluation of prediction accuracy included a ...
Meeting Document : WG-FSA-14/65 : Auteur(s): L.M. Robinson, K. Reid (Secretariat)