Résultats de la recherche
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Descriptive analysis of acoustic data collected during the 2003 exploratory fishery for toothfish in the Ross Sea
Abstract: This report presents results from a pilot study to determine the feasibility of ... conducting acoustic surveys for toothfish and rattails in the Ross Sea. Acoustic data were collected during ... the 2002–03 exploratory fishery. Data were recorded continuously from 28 December to 2 February 2003 ... . These analyses focused on the subset of acoustic data collected when setting longlines so acoustic ...
Meeting Document : WG-FSA-03/28 : Auteur(s): R.L. O’Driscoll and G.J. Macaulay (New Zealand)
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Distribution, morphology, growth, reproduction, diet and trophic position of two species of grenadier (Macrourus whitsoni and M. caml) in the Ross Sea region of the Southern Ocean (CCAMLR Subareas 88.1 and 88.2)
of the two species of 94% overall. We found that total length (TL) was no less precise a measurement ... Abstract: We present the first differentiated information on the biology and ecological niche of ... Macrourus whitsoni and M. caml in the Ross Sea region of the Southern Ocean. Fish were caught by New Zealand ... vessels in the fishery for Antarctic toothfish (Dissostichus mawsoni) between December 2011 and February ...
Meeting Document : WG-FSA-12/54 Rev. 1 : Auteur(s): M.H. Pinkerton, P. McMillan, J. Forman, P. Marriott, P. Horn, S. Bury and J. Brown (New Zealand)
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Estimating the biodiversity of the sub-Antarctic Indian part for ecoregionalisation: Part I. Pelagic realm of CCAMLR areas 58.5.1 and 58.6
Abstract: Two studies are tabled for the Subantarctic pelagic area of CCAMLR areas 58.5.1 and ... 58.6, which covers the Crozet Basin and the north of the Kerguelen Plateau: one based on marine pelagic ... species (plankton and fish), and the second on top predators. In this report, we followed three types of ... methodology: (1) a taxonomic approach based on communities only, (2) a physiognomic approach used for the ...
Meeting Document : WS-MPA-11/10 : Auteur(s): P. Koubbi (France), P.A. Hulley (South Africa), B. Raymond (Australia), F. Penot, S. Gasparini, J.P. Labat, P. Pruvost (France), S. Mormède (New Zealand), J.O. Irisson, G. Duhamel and P. Mayzaud (France)
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Characterisation of the Antarctic polar frontal zone to the north of South Georgia in summer 1994
Abstract: The Polar Front (PF) forms the southern boundary to the Polar Frontal Zone (PFZ) along ... the northern edge of the Antarctic Circumpolar Current (ACC). In a number of areas the position of the ... PF (and thus the PFZ) is known to be influenced by topographic steering, while local bathymetry has ... also been implicated in the movement and retention of various associated mesoscale features. In this ...
Meeting Document : WG-EMM-97/40 : Auteur(s): Brandon, M.A., Trathan, P.N., Murphy, E.J.
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) - Version 2015 - Part B: Description of available spatial data
Abstract: Germany intends to present the Working Group on Ecosystem Monitoring and Management (WG ... EMM) the background document that provides the scientific basis for the evaluation of a marine ... protected area (MPA) in the Weddell Sea planning area. The contents and structure of the whole document ... reflect its main objectives, i.e. to set out the general context of the establishment of MPAs and to ...
Meeting Document : WG-EMM-15/39 : Auteur(s): K. Teschke, H. Pehlke and T. Brey on behalf of the German Weddell Sea MPA (WSMPA) project team, with contributions from the participants at the International Expert Workshop on the WSMPA project (7-9 April 2014, Bremerhaven)
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Modelling the dynamics of krill populations in the Antarctic Peninsula region
Abstract: The current long-term estimates of mean recruitment rates suggest that the population ... is unsustainable, as they are too low to maintain the estimated mortality rate. The variable annual ... estimates of recruitment to the population can be used to model in detail interannual variation in the ... population dynamics of krill and estimate the expected mortality rates. A number of models of the population ...
Meeting Document : WG-EMM-99/56 : Auteur(s): E.J. Murphy (United Kingdom), A. Constable (Australia) and D. Agnew (United Kingdom)
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) - Version 2015 - Part C: Data analysis and MPA scenario development
Abstract: Germany intends to present the Working Group on Ecosystem Monitoring and Management (WG ... EMM) the background document that provides the scientific basis for the evaluation of a marine ... protected area (MPA) in the Weddell Sea planning area. The contents and structure of the whole document ... reflect its main objectives, i.e. to set out the general context of the establishment of MPAs and to ...
Meeting Document : WG-EMM-15/46 : Auteur(s): K. Teschke, H. Pehlke, M. Deininger, L. Douglass and T. Brey on behalf of the German Weddell Sea MPA project team
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Do fish prey size affect the foraging patterns and breeding output of the Antarctic shag Phalacrocorax bransfieldensis?
the Antarctic Shag Phalacrocorax bransfieldensis was obtained at three colonies in the Danco Coast (Py ... Point, Midas Island and Primavera Island), Antarctic Peninsula, during the 1997/98 breeding season ... . Overall, demersal-benthic fish were the most frequent and important prey at all the colonies sampled ... , followed by octopods and gastropods. Between colonies there were marked differences in the size of the fish ...
Meeting Document : WG-EMM-02/4 : Auteur(s): R. Casaux and A. Baroni (Argentina)
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Catch rates and length composition data of the longline fishery for Dissostichus eleginoides at the Prince Edward Islands: 1996/97
Abstract: The first reports of commercial catches of Patagonian toothfish Dissostichus ... eleginoides made in the vicinity of the Prince Edward Islands, a South African territory in the Indian Ocean ... Sector of the Southern Ocean, surfaced early in 1996. This generated both national and international ... interest in the fishery leading to a great influx of vessels to the area. By the end of 1996 up to 40 ...
Meeting Document : SC-CAMLR-XVI/BG/28 : Auteur(s): Delegation of South Africa
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Revised research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. with special reference to the information on spawning dynamics in Division 58.4.3a
Abstract: The current season (2014/15) is the final one of the first three-season research which ... began in 2013 in data-poor fisheries. In the present report, the next three-season (2016-18) research ... plan in Division 58.4.3a was revised using the latest CCAMLR C2 and Observer data. The stock sizes for ... block 58.4.3a_1 was estimated by the Petersen estimator and the CPUE x seabed analogy method. The stock ...
Meeting Document : WG-FSA-15/19 : Auteur(s): Delegation of Japan