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Stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1991/91 season, using virtual population analysis
Abstract: An assessment of the Champsocephalus gunnari fishery in sub-area 48.3 using VPA from ... situation to assessments in 1989/90 with a decrease in overall biomass and recruitment over recent years ... . Potential TAC levels are calculated, based on the F0.1 management strategy, however, the wisdom of limiting ... catches in the near future on the basis of a target F is questioned Author(s): G. Parkes (United Kingdom ...
Meeting Document : WG-FSA-91/15 : Автор(ы): G. Parkes (United Kingdom)
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Draft MPA Report for the South Orkney Islands Southern Shelf (MPA Planning Domain 1, Subarea 48.2)
developed for the SOISS MPA (WG-EMM-13/10), based on the report structure proposed in WG-EMM-12/49. The ... Report for consideration by the Working Group, and would welcome discussion and feedback on its structure ... the MPA; requirements for new research and monitoring; a summary of activities undertaken within the ... MPA; an assessment of the achievement of MPA objectives, and an assessment of the impact of activities ...
Meeting Document : WG-EMM-14/25 : Автор(ы): Delegation of the European Union
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Estimating the biodiversity of Planning Domain 5 (Marion and Prince Edward Islands – Del Cano – Crozet) for ecoregionalisation
approach was based on mapping species distributions (either observed data or predictions for species or ... Abstract: The CCAMLR MPA Workshop on Marine Protected Areas, held in Brest (France) in August ... . The workshop focusing on Planning Domain 5 was held in St Pierre, La Réunion, France from 15th May to ... meeting on the northern part of Planning Domain 5, which was held in South Africa in 2008, organized and ...
Meeting Document : WG-EMM-12/33 Rev. 1 : Автор(ы): P. Koubbi (France), R. Crawford (South Africa), N. Alloncle, N. Ameziane, C. Barbraud, D. Besson, C.-A. Bost, K. Delord, G. Duhamel (France), L. Douglass (Australia), C. Guinet (France), G. Hosie (Australia), P.A. Hulley (South Africa), J. O. Irisson (France), K.M. Kovacs (Norway), R. Leslie, A. Lombard, A. Makhado (South Africa), C. Martinez (France), S. Mormede (New Zealand), F. Penot (France), P. Pistorius (South Africa), P. Pruvost (France), B. Raymond (Australia), E. Reuillard, J. Ringelstein (France), T. Samaai (South Africa), P. Tixier (France), H.M. Verheye (South Africa), S. Vigetta (France), C. von Quillfeldt (Norway) and H. Weimerskirch (France)
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New data acquisition protocol for benthos by-catch in the French fisheries of the Southern Ocean, presentation of the protocol and first preliminary results
acquisition protocol for benthos bycatch in the French fisheries of the Southern Ocean (statistical areas ... knowledge on the benthic ecosystems impacted by the French fishing activities, in a context marked by the ... CCAMLR conservation measures for Vulnerable Marine Ecosystems (VME) protection and the Marine Protected ... Areas (MPA) development and in the short term to decrease this impact. The protocol is based on ...
Meeting Document : WG-EMM-17/09 : Автор(ы): A. Martin, M. Eléaume, N. Améziane, P. Pruvost and G. Duhamel
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Viability criteria for tagging toothfish
high probability of survival, but no objective criteria are provided for this evaluation. Achieving ... this requires an objective evaluation of the probability of survival of each fish to be tagged, which ... proposes criteria based on assessments of injuries and vitality used on other species and includes several ... options for implementation in CCAMLR tagging programmes. Author(s): S. Parker (New Zealand) Title ...
Meeting Document : WG-SAM-12/27 : Автор(ы): S. Parker (New Zealand)
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Towards a Minimum Realistic Model for investigating trophic relationships between Antarctic toothfish and demersal fish in the Ross Sea, Antarctica
Abstract: We report on progress towards developing a Minimum Realistic Model for investigating ... occur. Feedback on the model is sought. Work on this model will continue through 2010 and 2011 and will ... Zealand) Title: Towards a Minimum Realistic Model for investigating trophic relationships between ...
Meeting Document : WG-SAM-10/21 : Автор(ы): M.H. Pinkerton, S. Mormede and S.M. Hanchet (New Zealand)
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Development of methods for evaluating the management of benthic impacts from longline fishing using spatially explicit production models
Abstract: An important management objective for CCAMLR in the high seas region of the Antarctic ... is to develop appropriate methods of monitoring and managing impacts of bottom fisheries on ... investigate a range of simple scenarios for simulating the effect and management of benthic impacts from ... spatially explicit production models can provide a useful tool for the investigation of impacts of fishing ...
Meeting Document : WG-SAM-10/19 : Автор(ы): A. Dunn, S.J. Parker and S. Mormede (New Zealand)
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A hypothetical life cycle for Antarctic toothfish Dissostichus mawsoni in Antarctic waters of CCAMLR Statistical Area 88
northern area for up to 2–3 years. They then move southwards back onto the shelf and slope where ... Dissostichus mawsoni in CCAMLR Statistical Areas 88.1 & 88.2 were reviewed. Based on the presumed location ... investigated models that mimic the drift of eggs and larvae over a 6–24 month period using an oceanic ... larvae after an 18–24 month period suggested by the models agreed moderately well with the distribution ...
Meeting Document : WG-FSA-07/35 : Автор(ы): S.M. Hanchet, G.J. Rickard, J.M. Fenaughty, A. Dunn and M.J. Williams (New Zealand)
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Modelling growth and reproduction of Antarctic krill: implications of spatial and temporal trends in temperature and food for ecosystem-based management of krill fisheries
population and cause impacts on krill predators. We review the three classes of models available for ... modelling krill growth – the von Bertalanffy class, the moult-cycle class based on measures of the duration ... on the energetics of growth. We present a new model which is a combined energetics moult-cycle model ... temperature and food supply. The parameterisation for the energetic-moult-cycle model provides results ...
Meeting Document : WG-EMM-12/38 : Автор(ы): A.J. Constable and S. Kawaguchi (Australia)
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A simple approach for calculating the potential yield of krill from biomass survey results
-exploitation level over a 20 year period of harvesting should not exceed l0%. The value of λ depends strongly ... Abstract: Estimates are calculated for the parameter λ in the yield equation Y = λ M B0 for a ... kri11 fishery in which both the fishery and kri11 growth are seasonal. The criterion used for the ... calculations is that the probability that the kri11 spawning biomass drops below 20% of its average pre ...
Meeting Document : WG-KRILL-91/24 : Автор(ы): D.S. Butterworth (South Africa) and M. Basson (United Kingdom)
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