Résultats de la recherche
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Seabird mortality in the Patagonian toothfish longline fishery around the Prince Edward Islands, 1996–2000
(a globally important seabird breeding site) commenced in 1996 following high levels of Illegal ... trips between 1996 and 2000, allowing a thorough excellent understanding of the impact of this fishery ... significant number of albatrosses (particularly grey-headed albatrosses Thalassarche chrysocome) were also ... exclusively during day sets, whereas catch rates of white-chinned petrels did not differ between day and night ...
Meeting Document : WG-FSA-01/8 : Auteur(s): D.C. Nel, P.G. Ryan and B.P. Watkins (South Africa)
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–G for the years 2002–03 to 2010–11
assessment model of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 covering SSRUs 88.2C, D, E, F ... , and G (SSRUs 88.2C–G). For modelling purpose, we split the region into two fisheries: south of 70.2° S ... where smaller fish are typically caught and effort has been light; and north of 70.2° S where larger ... fish are caught and most of the effort has been concentrated. For our reference case we used a selected ...
Meeting Document : WG-FSA-11/43 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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Workshop Report – The Ross Sea: Science, Policy and the Public in a Pristine Marine Ecosystemt
% of the Southern Ocean, which is inconsequential, yet its attributes, as identified in this workshop ... Lakes, Lake Baikal); on the basis of projections made from current models in the IPCC array, it likely ... will be the last stretch of ocean on Earth, perhaps within the current century, that will embrace a ... cryopelagic community of organisms; and it is the best studied stretch of high latitude ocean in the Southern ...
Meeting Document : WG-EMM-09/14 : Auteur(s): J. Weller and D.G. Ainley (USA)
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The Patagonian toothfish: biology, ecology and fishery
and slopes of South America and around the sub-Antarctic islands of the Southern Ocean. Patagonian ... scavengers, there is no evidence of large-scale geographic migrations and studies using genetics ... , biochemistry, parasite fauna and tagging indicate a high degree of isolation between populations in the Indian ... habitat at around 100 mm (1 yr old), and inhabit relatively shallow water (< 200m) until 6-7 years of ...
Meeting Document : WG-FSA-10/P05 : Auteur(s): M.A. Collins, P. Brickle, J. Brown and M. Belchier
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Habitat partitioning in Antarctic krill: spawning hotspots and nursery areas
fishery. Within this sector, our first goal was to produce quantitative distribution maps of all six ... ontogenetic life stages of krill (eggs, nauplii plus metanauplii, calyptopes, furcilia, juveniles, and adults ... ), based on a compilation of all available post 1970s data. Using these maps, we then examined firstly ... whether “hotspots” of egg production and early stage nursery occurred, and secondly whether the available ...
Meeting Document : WG-EMM-2019/20 : Auteur(s): F. Perry, A. Atkinson, S.F. Sailley, G.A. Tarling, S.L. Hill, C.H. Lucas and D.J. Mayor
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Chilean NPOA-Seabirds: first steps
Abstract: The progresses in the developing of the Chilean NPOA-S are described. At the moment, an ... Executive and a Technical Group have been constituted. First steps taken had been the selection of ... mitigation measures to be applied; the design of experiments to test specific combinations of mitigation ... measures, and the discussion of the Objectives and Goals of the NPOA-S. The final draft of the NPOA-S will ...
Meeting Document : WG-FSA-04/14 : Auteur(s): C.A. Moreno and J. Arata (Chile)
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Ecosystem approach
3.2.1 Extent to which CCAMLR decisions take account of and incorporate an ecosystem approach to ... and reporting should be developed to provide coherence and compatibility of research, monitoring and ... CMs within the Convention Area, including areas of high seas and areas of national jurisdiction. SCIC ... nations and organisations to provide compatibility of management measures, research and monitoring between ...
Page : Site Section: The Organisation
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Conserving pattern and process in the Southern Ocean: designing a Marine Protected Area for the Prince Edward Islands
Economic Zone (EEZ) of its sub-Antarctic Prince Edward Islands. The objectives of the MPA are to: 1 ... ) contribute to a national and global representative system of MPAs, 2) serve as a scientific reference point ... to inform future management, 3) contribute to the recovery of the Patagonian toothfish (Dissostichus ... eleginoides), and 4) reduce the bird bycatch of the toothfish fishery, particularly of albatrosses and petrels ...
Meeting Document : WS-BSO-07/P1 : Auteur(s): Lombard, A.T., B. Reyers, L.Y. Schonegevel, J. Cooper, L.B. Smith-Adao, D.C. Nel, P.W. Froneman, I.J. Ansorge, M.N. Bester, C.A. Tosh, T. Strauss, T. Akkers, O. Gon, R.W. Leslie and S.L. Chown
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Informe preliminar sobre un viaje de pesca de merluza negra (Dissostichus eleginoides) del B/P Viarsa I, en el Océano Indico oriental (Área Estadística 57) – Abril–junio 2002
Abstract: This paper describes and studies the very first data about the fishery of the toothfish ... Dissostichus elegjnoides, obtained by a Scientific Observer from DINARA on board of the uruguayan F/V “Viarsa I ... ”, in the eastern Indian Ocean (FAO Statistical Area 57). The fishing trip was performed from the 13 of ... april to the 24 of june 2002. It was determined five zones by the F/V “Viarsa I” fishing operative ...
Meeting Document : WG-FSA-02/67 : Auteur(s): H. Nion y O.D. Pin (Uruguay)
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VARIATION IN DEMERSAL FISH SPECIES RICHNESS IN THE OCEANS SURROUNDING NEW ZEALAND: AN ANALYSIS USING BOOSTED REGRESSION TREES
characteristics using an extensive collection of trawl data from the oceans around New Zealand. Analyses were ... ‘stochastic gradient boosting’). Depth was the single most important environmental predictor of variation in ... species richness, with highest richness occurring at depths of 900 to 1000 m, and with a broad plateau of ... concentrations of chlorophyll a and in zones of mixing of water bodies of contrasting origins. Local variation in ...
Meeting Document : WS-VME-09/P04 : Auteur(s): Leathwick, J.R., Elith, J., Taylor, P., Francis, M.P., Hastie, T.